Thursday, November14, 2019

Beta 43 And 50 Bhp Engine Manual


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Heat Exchanger Cooled
Mid Diesel Engine Range
43 and 50 bhp
CALIFORNIA ­ Proposition 65 Warning: Diesel engine exhaust and some of its constituents are known to
the state of California to cause cancer, birth defects and other reproductive harm.
       Engine identification                                  2
       Initial receipt of the engine                          2
       Engine storage                                         2

Safety precautions                                            3

Technical specifications                                      4

Section 1: Guidelines for operation of the engine
       Important checks prior to initial use                  5
       Initial start-up and bleeding the fuel system          5
       Starting / stopping                                    5

Section 2: Maintenance and service guidelines
       Maintenance schedule                                   6
       Lubrication ­checking and changing oil                 7
       Fuel system - pumps, filter, fuel/water separator      8
       Cooling ­ fresh water system                           9
       Sea water pump, heat exchanger                         10
       Belt tensioning                                        11
       Air filter                                             11
       Electrical                                             12
       Laying up ­ winterising                                12
       Troubleshooting                                        13
       Torque settings                                        22

Section 3: Installation guidelines
       Engine mounting                                        23
       Alignment - drives, flanges, flexible drives           23
       Exhausts & mounting exhausts                           23
       Fuel supply                                            25
       Cooling ­sea water inlet system                        25
       Calorifier system                                      26
       Electrical and installations                           26
       Appendices ­wiring diagrams and general arrangements   27
       Component identification at rear of manual             54
       Maintenance record                                     54


                                     BV1903, BV2203

This manual has been compiled to provide the user with important information and
recommendations to ensure a trouble free and economical operation of the engine.

For further advice or technical assistance, application should be made to BETA MARINE LIMITED
or its distributors.

All information and recommendations given in this publication are based on the latest
information available at the time of publication, and are subject to alteration at any time. The
information given is subject to the company's current conditions of Tender and Sale, is for the
assistance of users, and is based upon results obtained from tests carried out at the place of
manufacture and in vessels used for development purposes. We do
not guarantee the same results will be obtained elsewhere under
different conditions.

NOTE: In all communications with the distributor or Beta Marine,
the engine number, type, and W.O.C. number must be quoted.

BV1903, BV2203                                                                         XE5567
The engine serial number is stamped above starter motor on the                         K12345
port side of the engine, and is shown on the rocker cover label.
                                                                                       43bhp 2800rpm

A full inspection of the engine must be made immediately on
delivery to confirm that there is no damage. If there is any damage then write this clearly on the
delivery note and inform your dealer or Beta Marine within 24 hours.

The engine must be stored in a dry, frost free area and this is best done in its packing case. If
storage is to be more than six months then the engine must be inhibited (contact your dealer or
Beta Marine). Failure to inhibit the engine may result in the formation of rust in the injection
system and the engine bores, this could invalidate the warranty.

                                  SAFETY PRECAUTIONS!

A.   Keep the engine, gearbox and                         ii). Fuel Supply Connections
     surrounding area clean, including the                     Engines are supplied with 8mm
     area immediately below the engine                         compression fittings. The installer must
                                                               ensure that when connections are made,
B.   Drives - Power Take Off Areas                             they are clean and free of leaks.

i). Gearbox Output Flange                                 E Oil
    The purpose of a marine diesel propulsion               The Beta propulsion is supplied with 2
    engine is to provide motive power to propel             dipsticks, one for the engine and one for the
    a vessel. Accordingly the gearbox output                gearbox. Ensure dipsticks are returned and
    shaft rotates at between 280 and 2400                   secure after checking, if not oil leaks can
    rev/min. This flange is designed to be                  cause infection when touched. All oil must
    coupled to a propeller shaft by the installer           be removed from the skin to prevent
    and steps must be taken to ensure                       infection.
    adequate guarding.
                                                          F Scalding
ii). Forward End Drive                                      An engine running under load will have a
     Engines are supplied with unguarded vee                closed circuit fresh water temperature of
     belt drives to power the fresh water pump              85° to 95°C. The pressure cap on the top
     and battery charging alternator. The                   of the heat exchanger must not be
     installer must ensure that it is not possible          removed when the engine is running. It
     for injury to occur by allowing accessibility          can only be removed when the engine is
     to this area of the engine. The three pulleys          stopped and has cooled down.
     run at high speed and can cause injury if
     personnel or clothing come in contact with           G Transportation/Lifting
     the belts or pulleys, when the engine is               Engines are supplied on transportable
     running.                                               pallets. Lifting eyes on engines are used for
                                                            lifting engine and gearbox assembly only,
iii). Power Take Off Shaft (Engine Mounted                  not the pallet and associated kit.
     Shaft extensions are available as an option
     and rotate at between 850 and 3600
     rev/min. If contact is made with this shaft
     when the engine is running, injury can                GENERAL DECLARATION
     occur.                                                This machinery is not intended to be put into
                                                           service until it has been incorporated into or
C Exhaust Outlet                                           with other machinery. It is the responsibility of
  Diesel marine propulsion engines emit                    the purchaser /installer/owner, to ensure that
  exhaust gases at very high temperatures -                the machinery is properly guarded and that all
  around 400-500°C. Engines are supplied                   necessary health and safety requirements, in
  with either wet exhaust outlet (water                    accordance with the laws of the relevant
  injection bend) or dry outlet (dry exhaust               country, are met before it is put into service.
  stub) - see option list. At the outlet next to
  the heat exchanger/header tank, the
  exhaust outlet can become very hot and if
  touched, can injure. This must be lagged or             Signed:
  avoided by ensuring adequate guarding. It
  is the responsibility of the installer to lag the
  exhaust system if a dry system is used.
  Exhaust gases are harmful if ingested, the
  installer must therefore ensure that exhaust
  lines are led overboard and that leakage in
  the vessel does not occur.                              J A Growcoot, C.E.O, Beta Marine Limited

D Fuel

i). Fuel Lines
    Diesel engines are equipped with high
    pressure fuel injection pumps, if leakages            NOTE: Recreational Craft
    occur, or if pipes fracture, fuel at a high           Where applicable, the purchaser / installer /
    pressure can harm personnel. Skin must be             owner and operator must be responsible for
    thoroughly cleaned in the event of contact            making sure that the Recreational Craft
    with diesel fuel.                                     Directive 94/25/EC is complied with.

Standard Engines BD1703 BV1903 BV2203
Standard Engines                                BV1903                     BV2203
Cylinder                                            4                          4
Bore (mm)                                          80                         87
Stroke (mm)                                                    92.4
Displacement (cc)                                 1857                       2197
Combustion                                                   3 Vortex
Cooling                                                        Water
Starter voltage (V)                                              12
Starter output (kW)                                             1.4
Alternator output (Amps)                                   65 (standard)
Glow plug resistance (each)                                     1
Engine speed (RPM)                                             2,800
Power output ISO3046 (BHP)                         43                          50
Declared power ISO8665 (kW)                       31.0                        36.1
Compression Ratio                                              23.0:1
Fuel timing BTDC                                                18°
Capacity of standard sump (litres)                              9.5
Capacity of shallow sump (litres)                                7
Nett dry weight with std gearbox (kg)             270                         300
Fuel                                                   Diesel fuel oil No.2D
Coolant                                           33%-50% (max) antifreeze / water
Approx Coolant capacity H/E (litres)                            7.4
Min. recommended battery capacity                          12V, 120Ah
                                                          (600CCA Min)

Maximum Angle of Installation: Trim 15°, Roll 25° (intermittent), 20° continuous

            gearboxes. Hydraulic gearboxes can be left or right handed.

Diesel fuel must conform to BS2869-1970 class A1 or A2. The fuel must be a distillate
and not a residual oil or blend.

Lubricant: Engine - Engine oil must meet MIL-L-2104C (see section 2 for details)
           Gearbox - see operator's manual for the gearbox oil type and capacity

            Oil pressure - minimum (tickover) 0.5 bar

Power outputs: These comply with BS EN ISO 8665:1996 crankshaft power

Note: Declared Powers to ISO8665:1995
1. The declared powers are at the same engine speed as the ISO 3046 figures. This
   speed is the speed related to the outputs / powers shown.
2. Declared powers are at the gearbox coupling (coupling to the propeller shaft) as per
   clause 3.2.1 with standard specifications as per our current price lists. Additional
   accessories or alternative gearboxes may affect the declared powers.
3. Operation at parameters outside the test parameters may affect the outputs / powers
   which in any case are subject to the ISO tolerance bands.

                                                      SECTION 1
1. Generally, a new engine has the oil and anti-freeze removed after the works test. Fill the engine with the correct oil and
   anti-freeze (see sections on ENGINE OIL and COOLING). Check gearbox oil level - see separate operator's hand book.
2. Ensure the engine is free to turn without obstructions.
3. Ensure battery is fully charged and connected (the isolator is in the 'ON' position).
4. Ensure Morse speed and gearbox cables are fitted correctly and that cable travel lengths are correct.

   Gear selection lever ­all mechanical gearboxes: care must be taken to ensure that the remote control cable is
   adjusted so that the selector lever on the gearbox moves FULL travel and brought "hard up" against its end stop in
   both directions. Failure to achieve the correct adjustment will reduce efficiency
   of the clutch and may cause slippage at low revs. Warranty will not be accepted
   on gearboxes returned in the warranty period for failure due to incorrect

5. Ensure engine is out of gear with 1/3 throttle - see single lever control instruction
6. Open the fuel stopcock and bleed the fuel water separator of air as shown in
   manufacturers literature.
7. Fuel should now be at the fuel lift pump, see diagram 1a, open the sea cock

INITIAL STARTUP AND BLEEDING THE SYSTEM                                                              Diagram 1a
(a) Open fuel bleed screw on fuel filter assembly by 11/2 turns. See diagrams 1a & 1b.
(b) Move hand priming lever on fuel lift pump up and down until fuel with no
    bubbles comes out of the bleed screw.
(c) Shut/tighten the bleed screw. Clean area thoroughly with tissue paper.
(d) Continue to hand prime for 30 seconds to push fuel through the fuel pump.
(e) Start engine (see normal starting).
    Note the engine may have to be turned over with the starter for a few seconds
    before it fires. Do not run the starter for more than 20 seconds. If the engine
    has not started after 20 seconds then disengage the starter and continue to
    hand prime for a further 30 seconds, then repeat.
(f) If engine does not start after 3 attempts then allow 5 minutes for the starter to                Diagram 1b
    cool down before repeating (a) to (e).
    Note: The starter windings can be burnt out with continuous cranking

To avoid personal injury:
· Do not bleed a hot engine as this could cause fuel to spill onto a hot exhaust manifold creating a danger of fire.
· Do not mix gasoline or alcohol with diesel fuel. This mixture can cause an explosion.
· Do not get diesel on the flexible mounts ­ they will deteriorate rapidly if soaked in diesel.
· All fuel must be removed from skin to prevent infection.
                                                                                                          A           C
With the engine out of gear, set speed control lever to 1/3 throttle. Turn key anti-clockwise to               OFF
HEAT* (A) position and hold for ten seconds, turn key clockwise to RUN (C) position. At this stage                         D
the instrument panel should illuminate, an alarm buzzer will sound and two (or three*) red
warning lights will illuminate:
*(Note: this will only illuminate if 2nd alternator is fitted)
and green POWER ON / RUN LIGHT (this will stay on)
Turn to START (D) position and engine will motor, hold in position until engine fires (see initial start-up
section for maximum time starter can be used). Release key (when engine has started) to RUN position.
Ensure alarm buzzer is not sounding and that warning lights are extinguished. If one or both of the
alternator warning lights are still on, then increase engine speed to excite the alternator - then return to
idle. The battery charge lights should then go out. The run light will remain on (green lamp).
Check for sea water flow. If no flow then SWITCH OFF IMMEDIATELY AND CHECK SEA WATER SYSTEM.

Every propulsion engine is fitted with a stop solenoid which is energised to stop. To stop engine simply press stop push
button, hold in until engine stops, then turn key from `RUN' to `OFF' position.
When leaving the boat for an extended period,
· Turn off sea-cock (heat exchanger cooled engines).
· Turn off battery isolator.
Do not turn the key to the off position when the engine is running. This will damage the alternator.

Do not leave the key in `HEAT' position for more than 15 seconds - this will damage the heater plugs and eventually
lead to poor starting.
Do not depress stop button for more than 10 seconds as this will lead to overheating and failure of the solenoid.
Notes for all panel types:                                                                                         Lever

Do not depress the stop button for more than ten seconds as this will lead to
overheating and failure of the solenoid.

This range of engines are equipped with a mechanical stop lever in the event of
electrical system failure. This lever is located on the starboard side of the engine
above the speed control lever. See illustration right:                                                             Stop

                                                   SECTION 2
Daily or Every 8 Hours Running
· Check engine oil level.
· Check gearbox oil level.
· Check coolant level.
· Check battery fluid.
· Check drive belt tension
· Ensure raw water inlet strainer is clear.
· Check stern gland lubrication.
· Drain off any water in fuel water separator.
After The First 25 Hours Running
· Change gearbox lubricant (See separate gearbox manual).
· Check that all external nuts, bolts and fastenings are tight. See table for torque values. Special attention should
   be paid to the flexible mount lock nuts, these should be checked for tightness, starting with lower nut first in
   each case. If the lower nuts are found to be very loose, then the alignment of the shaft to the gearbox half
   coupling should be re-checked. Poor alignment due to loose flexible mount nuts will cause excessive vibration
   and knocking.
· Check the belt tension on any second alternators fitted and adjust ­see page 11
· Check ball joint nyloc nuts for tightness on both gearbox and speed control levers. Grease both fittings all over.
After First 50 Hours
· Change engine lubricating oil.
· Change oil filter.
· Check for leaks on header tank tubestack. Tighten end cap bolt if required.
· Drain off any water in fuel/water separator.
Every 150 Hours
· If shallow sump (option) is fitted, change engine lubricating oil and filter.
Every Year -or every 250 Hours if sooner
· Change engine lubricating oil (standard sump)
· Change lubricating oil filter
· Check air cleaner element
· Check sea water pump impeller and change if worn.
· Check wasting anode condition, replace when necessary. In some environments this may be six monthly or less.
· Remove heat exchanger tube stack, by undoing the bolt each end of the tube stack. Remove end cover, pull out
   tube stack and clean. Replace rubber `O' rings and re-assemble. Immediately engine is started check for leaks.

·   Spray the key switch with WD40 or equivalent to lubricate the barrel.
·   Check that all external nuts, bolts and fastenings are tight. See table for torque values.
·   Check ball joint nyloc nuts for tightness on both gearbox and speed control levers. Grease both fittings all over.
Every 750 Hours
· Change air cleaner element.
· Change fuel filter.
· Change antifreeze.
· Change gearbox oil.
· Check electrical equipment, condition of hoses and belts, replace as necessary.

Engine oil
Engine oil should be MIL-L-2104C or have properties of API classification CC/CD/CE grades. The following table
gives grades of oil required for various ambient temperatures.

                AMBIENT TEMP                       SINGLE GRADE                       MULTI GRADE
                  -30°C TO 0°C                       SAE 10W S                         AE 10W/30
                 -15°C TO +15°C                       SAE 20W                          SAE 15W/40
                  0°C TO +30°C                         SAE 30                          SAE 15W/40
                25°C AND ABOVE                         SAE 30                          SAE 15W/40

Note: A good quality 15W/40 multigrade oil as used in most diesel car engines will meet these requirements.
Do not use `Turbo Diesel Oil' or additives.
                                                                                                     Oil goes
CHECKING ENGINE OIL LEVEL                                                                            in here
For quantities of oil required see section marked `Technical Specification', Page 4
When checking the engine oil level, do so before starting, or more than five
minutes after stopping.
1. To check the oil level, draw out the dipstick, wipe it clean, re-insert it, and draw
    it out again. Check to see that the oil level lies between the two notches.
2. If the level is too low, add new oil to the specified level - Do not overfill

                                                                                                     Fig. 2a
When using an oil of different make or viscosity from the previous one, drain old         Dipstick

oil. Never mix two different types of oil. Engine oil should be changed after first
50 hours running time and then every year or every 250 hours if sooner. Oil
filter is a cartridge type mounted on the starboard side of the engine.


(1) Run the engine for 10 minutes to warm up the oil.

(2) Your engine is provided with a sump drain pump. Unscrew the end cap on the
                                                                                                     Fig. 2b
    end of the pump, turn the tap to `on'. Use the hand pump as shown to pump
    out the oil into a bucket. Turn the tap to off position and replace end cap. See
    diagram 2c.                                                                           Sump

(3) Unscrew the oil filter and replace with a new one. See diagram 2d.

    Note: It is best to have a plastic bag wrapped round the filter to catch any oil
    left in the system. (Always keep your bilges clean!) Before screwing in the new
    filter spread a thin film of oil round the rubber gasket to ensure a good seal        Cap
    and screw in ­ hand tight.

(4) Fill the engine with new oil as described on the previous page.

(5) Run the engine and check for oil leaks.
                                                                                                     Fig. 2c

(1) The gearbox is fitted with a dipstick and oil filler plug, see fig 2e.
(2) Each engine is supplied with a gearbox operators manual which specifies
    the type of lubricating oil to be used, the capacity and frequency of
    changing of the oil.
(3) New engines are normally supplied with the gearbox topped up with
    lubricant but Check the level before starting the engine for the first time.
(4) The oil can be changed via the drain plug at the bottom of the box or
    sucked out with a hand pump via the filler plug.
                                                                                            Fig 2d - oil filter removal
(5) A guide to the type of oil to be used is as follows:
                                                                                                                  Oil filler
     Gearbox                Lubricant                       Capacity (approx)                                     plug
     ZF12M                  Use ATF                         0.55 litres
     ZF15M                  Use ATF                         0.55 litres
     ZF25M                  Use ATF                         0.75 litres
     ZF25H                  Use ATF                         2.00 litres
     ZF25H'A'               Use ATF                         1.80 litres
     TMC60M                 Use ATF                         0.80 litres
     TMC260M                Use ATF                         1.20 litres
     PRM150                 Use Engine Oil 15W40            1.4 litres
     PRM260                 Use Engine Oil 15W40            1.5 litres
                                                                                                      Fig 2e
Note: ATF is Automatic Transmission Fluid

FUEL SYSTEM          (see page 24 for a typical installation)

· Always fit a fuel/water separator in the fuel supply system. Water in the fuel can seriously damage the injection
· If a fuel supply shutoff valve is fitted do not use a taper tap, only use a ball valve tap. The ball valve type are more
  reliable and less likely to let air into the fuel system.
· Be sure to use a strainer when filling the fuel tank. Dirt or sand in the fuel may cause trouble in the fuel injection
· Always use diesel fuel.
· Do not use kerosene, which is very low in cetane rating, and adversely affects the engine.
· Be careful not to let the fuel tank become empty, or air can enter the fuel system, necessitating bleeding before
  next engine start.
· The fuel lift pump will only lift fuel through 0.25 metres. If this is insufficient then an electric fuel lift pump must
  be fitted. Drawing 202-06421, illustrating recommended wiring for this pump can be supplied upon request.

1. The fuel filter is a spin on type. Remove by turning anti-clockwise when
   viewed from below.
2. Replace the fuel filter cartridge every 750 hours or every 2 years. See fig. 2g.
3. Apply fuel oil thinly over the gasket and tighten into position - hand tight.
4. Bleed as detailed - see initial start up.
5. Check for leaks.
6. Do not get fuel on the flexible mounts.
                                                                                                      Fig. 2g

HEATING EXCHANGER COOLED                                                    Heat Exchanger Cooled
Fresh water circulates through the engine and on to a heat
exchanger where it is cooled by sea water which is pumped
through the cooling tubes. The sea water is then injected into
the exhaust system (see diagram).

New engines are supplied with the freshwater drained off. The
following instructions must be followed to fill the system.
(a) Mix up in a clean bucket a 33 to 50% anti-freeze to                             Tap
    freshwater solution (see page 10). For the volume required
    see technical specification page 4.

(b) Check that the drain tap or plug is turned off. (see fig 2l)

(c) Fill engine with freshwater/anti freeze solution through the top
    of the heat exchanger or header tank with the filler cap
    removed. (see fig 2m).

(d) Fill header tank to the top of the filler neck and replace cap.
    Press down firmly on filler cap and hand tighten in a clockwise

(e) Run the engine for 5 minutes on no load (out of gear) and
    check coolant level. Top up as necessary.

(f) Check system for leaks.

(g) If a calorifier is fitted care must be taken to see that this is also
    full of coolant and all the air is expelled. (See calorifier fitting                      Fig. 2l
    notes under Section 3).

(h) Run the engine on one third load for 15 minutes, preferably with the boat
    tied up. As the system warms up coolant may be expelled from the
    overflow pipe into the bilge. Stop the engine and allow the engine to cool
    down before removing the pressure cap and top up the coolant to 1" below
    the filler neck.

Removal of the pressure cap when the engine is hot can cause severe injury
from scalding hot water under pressure. Always allow the engine to cool and
then use a large cloth when turning the cap anti-clockwise to the stop. This
allows the pressure to be released. Press firmly down on the cap and continue
to turn anticlockwise to release the cap.

(i) Repeat (h) if coolant level is more than 1 inch below the base of the filler
    neck when the engine has cooled down.

(j) Run engine on 2/3 full load for 20 minutes, check for leaks and repeat (i).                         Fig. 2m

(k) Anti-freeze solutions should be drained off every 2 years and replaced with a new solution.

Note: When draining fresh water system, ensure the engine has cooled sufficiently to prevent scalding from hot
pressurised water. Prior to draining a cold engine, remove the filler cap from the header tank and then open the
water drain tap. This allows the water to drain freely from the system.

Yachts and Launches with Heat Exchanger Cooling
It is essential that a 33% to 50% anti-freeze/water mixture is used. This not only stops freezing up in winter, but it
prevents overheating and corrosion.
The warranty is invalid unless the correct ratio is used.
Concentration of ethylene should not exceed 50%.

The anti-freeze in the fresh water system enables the boiling point of water to rise to 124°C with a 13 psi pressure
cap fitted. The water temperature alarm switch will however be activated at 95° to 100°C. If no anti-freeze or a very
weak solution is used, then the water temperature switch may not be activated before coolant is lost.

(Heat exchanger-cooled engines)

Before working on the sea water system ensure that the sea cock is in the off

(1) It is very important that the correct sea water flow is maintained to cool the
    closed circuit system of the engine. The key component in this system is the sea
    water pump impeller. This should be checked every year by removing the
    circular plate (see fig. 2h).

(2) Withdraw the rubber impeller from its drive shaft as shown. See diagram 2i.

(3) Check impeller for cracks in the rubber, excessive wear or lost vanes. Replace                 Fig. 2h
    with a new impeller as necessary.

   Note: If any pieces of rubber impeller are missing then they must be found as they
   are most likely to be trapped in the entrance to the heat exchanger cooling stack. See
   `Cleaning Tube Stack'.


(1) The wasting zinc anode should be checked every six months and replaced every year
    or as necessary. The anode is attached to the bolt inserted in the end cap of the heat             Fig. 2I
    exchanger. See Fig 2j. On most engines this is on the aft end.

(2) Unscrew the bolt and replace the complete unit with a new one.

(3) Check for leaks.

(4) It is possible for fine sea weed and other debris to get past the inlet filter and
    into the tube stack. This should be removed and cleaned. See fig. 2k.

(5) Drain off coolant into a bucket.

(6) Unscrew the 2 end cap retaining bolts (one each end of the tube stack). Remove       Zinc       Fig. 2j
    the `O' rings and pull out tube stack. Clean tube stack and end caps.                Anode

(7) Re-assemble using new `O' rings. Do not overtighten end cap bolts and make
    sure the tube stack is the right way round.

(8) Re-fill engine with water/anti-freeze solution and run engine up to temperature
    to check for leaks.

                                                                                                   Fig. 2k

65 AMP ALTERNATOR (Heat Exchanger Cooled)


Belt tension must only be checked with the engine switched off.

(1) On heat exchanger cooled engines a single 65 amp is fitted as standard.
    This alternator is adjusted as follows.

(2) The belt tension is adjusted by swinging the alternator outboard as it
    pivots on its support bolts.

(3) With the engine stopped, loosen the support bolts and the link adjusting

(4) Push alternator outboard to tension and tighten link bolt. Check that the
    depression of the belt at position shown is approximately 1/2" or 12 mm
    when pushed down firmly by thumb. Tighten support bolts.

(5) Belt tension should be regularly checked especially during the first 20
    hours of running in a new belt, as stretching occurs.

100 Amp alternator (option):
The same method applies as outlined above, but final tensioning must be by
hand only. Over tensioning will cause premature failure of components.

These engines are fitted with an air intake filter which should be checked every season and changed every 2 years
or sooner if badly clogged. If badly clogged check more often

               1                                             2                                  3



Under no circumstances should the battery be disconnected or switched off when the engine is running. This will
seriously damage the alternator

See installation notes, page 27.

General maintenance
(1) The panel must be protected from rain and sea water, see installation. Sea water entering the key switch will
    eventually cause corrosion and could result in the starter motor being permanently energised and burning out.
    Spray key switch every month with WD 40 or equivalent.

(2) Check batteries for acid level and top up if required. For low maintenance and `gel' batteries see manufacturers

(3) Loose spade terminal connections are the most common cause for electrical faults - check on a regular bases
    (see maintenance instructions).

Heat Exchanger Cooled Engines Left Afloat And Ashore

(a) The engine oil and oil filter should be changed at the end of the season rather than in the spring. See section 2.

(b) The closed circuit system should contain a 30 to 50% solution of anti-freeze to water (this also applies to warm
    and tropical climates).

(c) For cold climates where the air or water temperatures can fall below 3°C, the sea water circuit must be protected
    in addition to the fresh water system. This is best achieved as follows:

   (i)   Close the inlet seacock to the engine (engine stopped).

   (ii) Disconnect the sea water inlet pipe and dip it into a small bucket containing 50/50 anti-freeze solution.

   (iii) Start the engine (out of gear) and run for 5 to 10 seconds until the anti-freeze is used up and can be seen
   coming out of the exhaust outlet.

   (iv) Shut engine off and reconnect the inlet pipe to the seacock.

   The sea water or raw water circuit is now protected by anti-freeze.

(d) Ensure instrument panel is well protected and give the key switch a spray of WD 40 or equivalent.

(e) With the engine stopped, disconnect the battery (always disconnect the negative cable first and re-connect the
    negative cable last) and take it ashore for trickle charging and top up as necessary. If AC power is available then
    this can be done on the boat.

(f) Fuel tanks should be kept full during the lay up period to eliminate water condensation in the tank. Water
    entering the fuel injection system can cause considerable damage.

(a) Change the engine oil before the boat is taken out of the water. Warm engine oil is much easier to pump
    than cold!

(b) to (f) should be followed as above.

                                      TROUBLE SHOOTING
Beta diesels are very reliable if installed and serviced correctly, but problems can occur and the
following list gives the most common ones and their solution.

Problem: Engine does not start but starter motor turns over OK

Possible Cause                   Solution
No fuel:                         Turn fuel cock on and fill tank.
Air in fuel system:              Vent air (see initial start-up)
Water in fuel:                   Change fuel filter and bleed system.
Blocked fuel pipe:               Clean out and bleed system.
Fuel filter clogged:             Change filter and bleed system.
Fuel lift pump blocked:          Remove and replace.
Blocked injector:                Remove and clean.
Fuel return not fed back
to the tank:                     Re-route fuel return pipe.
Heater plugs not working:        Check wiring to the plugs, and replace plugs if they are burnt out.
Stop solenoid stuck in off
position:                        Check solenoid is free to return to run position.

Problem: Starter motor will not turn or turns over very slowly

Possible Cause                   Solution
Battery discharged:              Charge battery or replace. Check alternator belt tension.
Starter motor flooded with
sea water:                       Remove and clean or replace.
Wiring disconnected or loose:    Check circuit for loose connections.
Water in cylinders:              Incorrect installation. This is serious ­ check engine oil for signs
                                 of water (creamy-coloured oil). Ring your dealer.
Engine harness fuse blown:       Replace fuse (located by starter motor or above flywheel
                                 housing) and check for wiring faults

                                                 FUSE (If located by starter motor, usually it is
                                                positioned above flywheel housing at rear of

                                                Note: For convenience, some engines are
                                                supplied with a spare fuse and holder attached to
                                                the main engine fuse holder.

Problem: Erratic running
Possible Cause                     Solution
Air in fuel supply:                Check supply system for leaks and fix.
Fuel lift pump faulty:             Replace.
Clogged fuel filter:               Replace.
Fuel return not fed back to the
fuel tank, or blocked pipe:        Re-route pipe or clean.
Air filter blocked:                Replace.
Worn or blocked injector:          Service injectors.
Engine rpm in gear is too low,
this must be 850 min:              Increase engine tick over speed.
Faulty stop solenoid:              Disconnect wiring to solenoid. If running improves check for a
                                   wiring fault.
Broken fuel injection pump
spring:                            Replace.
Problem: White or blue exhaust gas
Possible Cause               Solution
Engine oil level too high:   Reduce the level.
Blocked injector:                  Service injectors.
Piston ring and bore worn,
giving a low compression:          Get compression checked by your dealer or Kubota service
                                   agent. He will advise action to be taken.
Check that the breather pipe is
clear and not obstructed:       Remove and clean out
Problem: Black exhaust gas
Possible Cause                     Solution
Blocked air filter element         Inspect and replace
Over pitched propeller ­ engine
will not reach its full rpm:       Get the propeller re-pitched if necessary.
Accumulated debris on hull         Inspect and clean if required
Problem: Low power output
Possible Cause                     Solution
Propeller is too big:              Change or depitch.
Check gearbox reduction ratio
relative to propeller size:        Change.
Blocked fuel filter:               Replace.
Blocked air filter:                Replace.
Air in fuel system:                Check system.
Governor spring incorrectly
mounted:                           Dealer to adjust.
Single lever control not
operating correctly:               Disconnect speed control cable and move the lever by hand.
                                   Adjust cable.
The electrical load is too large
on start up:                       Disconnect or reduce the load.

Problem: High oil consumption
Possible Cause                     Solution
Oil leaks:                         Check for leaks.
Piston rings worn:                 Overhaul required.
Valve stem and guide worn:         Overhaul required.
Piston rings gap facing the
same direction:                    Shift ring gap position.

Problem: Water in lubricating oil (heat exchanger cooled)
Possible Cause                     Solution
Oil goes "milky" due to seawater
entering exhaust manifold:       Check installation - has anti-siphon valve been fitted? Change
                                 engine oil and run engine for 10 minutes each time to eliminate
                                 any water. Get fuel injection pump and compression checked by
                                 Service Agent.

Problem: Water in lubricating oil (general)
Possible Cause                     Solution
Core plug pushed out due to
frozen block:                      Service Agent to check and replace.
Water pump seal damaged:           Service Agent to check and replace.

Problem: Water in lubricating oil (keel cooled)
Possible Cause                     Solution
Oil goes "milky" due to water Check installation - has dry exhaust system been fitted correctly,
entering exhaust manifold and ensuring rain water cannot enter the exhaust port and run back?
then into the sump:           (See DRY EXHAUST SYSTEM) Change engine oil and run
                              engine for 10 minutes each time to eliminate any water. Get
                              injection pump checked by Service Agent.

Problem: Low oil pressure warning light comes on when engine speed reduced to tick over:
Possible Cause                     Solution
Faulty switch sender:              Replace.
Engine running too hot:            Check cooling water flow (see section 2 Cooling).
Oil relief valve stuck partially
open with dirt:                    Remove and clean.
Blocked oil filter:                Change.
Wiring fault:                      Check circuit.
Insufficient oil:                  Top up and check for leaks.

Problem: Panel rev counter not working (when fitted)
Possible Cause                     Solution
No W connection to alternator: Check output from `W' connection. Should be about 9V AC
Wiring fault:                      Check circuit

Problem: Engine overheats

Possible Cause                   Solution
Check coolant level:             Top up.
Insufficient sea water flow:     Clear blocked intake or filter.
Damaged or worn pump
impeller:                        Replace.
Blocked tube stack in heat
exchanger:                       Remove tube stack and clean ­ replace `O' rings.
Zinc anode flakes blocking tube
stack:                          Remove and clean tube stack as above.
Pressure cap loose:              Replace.
Switch sender faulty:            Replace.
Inlet sea cock is too small:     Replace (see heat exchanger cooled seawater inlet system in
                                 section 3).
High exhaust back pressure:      Must not exceed 3.1" of Hg.
Air locks in cooling pipe work
to keel cooler:                  Vent the system and top up coolant.
Keel cooler insufficient size:   Contact boat builder

GENERAL -HEAT EXCHANGE ONLY: The most common cause of overheating is insufficient
seawater flow due to a blocked intake (weed or a plastic bag!). If this happens then clear the
blockage. If the problem is not cured then check the system for sea water flow which should be
15 litres / minute minimum at 1,500 rpm as follows:
(a) With the boat tied up and out of gear run the engine up to 1500 rpm. *Hold a plastic bucket
over the exhaust outlet for 10 seconds and measure the amount of water collected. Multiply this
value by 6 to give the flow in litres/min. Repeat twice and take an average. If the flow rate is
noticably less than the 15 litre per minute minimum at 1,500 rpm, then:
(b) Check impeller in sea water pump - if worn replace.
(c) If impeller has a vane missing then this will be lodged either in the pipe to the heat exchanger
or in the end of the exchanger. This must be removed.
(d) Check flow again as in (a).
*Note: This operation must only be done in safe conditions, in port and with two assistants.
Working from a rubber dinghy is best. The person holding the bucket should take precautions
against breathing in the exhaust gasses.

Problem: Knocking noise

Possible Cause                   Solution
Propshaft touching gearbox
output coupling through split
boss or Type 16 coupling:        Adjust, giving correct clearance (10mm) between gearbox and
                                 propeller shaft
Flexible mount stud touching
engine bed:                      Adjust stud to clear
Drive plate broken               Replace / repair
Engine touching engine bed       Re-align engine / modify bed

Problem: Battery quickly discharges
Possible Cause                    Solution
High load and insufficient        Reduce load or increase charging time. Large domestic battery
running:                          banks subject to high electrical loads will take a considerable
                                  time to recharge from a single alternator.
Low electrolyte level:            Top up.
Fan belt slipping - black dust in
engine compartment, engine
compartment temperature too Adjust tension / replace belt with a high temperature type and /
high:                             or improve engine compartment ventilation.
Alternator defective:             Check with Agent.
Battery defective:                Replace.
Poor wiring connection:           Check wiring system.

Problem: Transmission noise

Possible Cause                    Solution
Check gearbox oil level:          Top up.
"Singing" propeller:              Check with supplier.
Drive plate rattle at tickover:   Check engine rpm (must be 850 rpm minimum in gear).
Worn drive plate:                 Change.
Propeller shaft hitting the       Move shaft back to give at least 5mm clearance (Type 12/16
Gearbox half coupling:            couplings only)
Problem: Vibration

Possible Cause                    Solution
Poor alignment to shaft:          The alignment must be accurate even if a flexible coupling is
                                  used (see section 3 ALIGNMENT).
Flexible mounts not adjusted
correctly to take even weight:    Check relative compression of each mount.
Flexible mount rubber perished: Replace. (Diesel or oil will eventually perish most rubbers.)
Loose securing nut on flexible
mount:                            Check alignment and then tighten the nuts.
Insufficient clearance between There must be at least 10% tip clearance between propeller and
the propeller tip and the bottom bottom of the boat (ie 10% of the propeller diameter as
of the boat:                     clearance). Refer to boatbuilder.
Loose zinc anode on the shaft: Tighten or replace.
Worn cutless bearing or shaft:    Replace.
Weak engine support/bearers: Check for cracked or broken feet.
Problem: Morse control cable will not fit

Possible Cause                    Solution
Fitting incorrectly               Cables are being fitted the wrong way around, switch over and fit
                                  the opposite way.

           Electrical fault finding & trouble shooting ­engines built after July 2005 only
The following chart is compiled to aid diagnosis of electrical faults, based on the Beta 10-90hp range of
engines. If your engine was built before July 2005, contact Beta Marine for the relevant electrical
trouble shooting guide.
Standard sea specification engines (heat exchanger cooled) are supplied with a single alternator,
mounted port side, supplying power to starter battery and control panel.
Standard canal specification engines (keel cooled) are supplied with twin alternators:
·     1st alternator, mounted port side, supplying power to starter battery and control panel
·     2nd alternator, the standard mounting position for this is above the engine on the starboard side (or
      below 1 alternator on 75 & 90hp), supplying power to the domestic battery system.
Both of these alternators work independently, if the domestic battery system is disconnected, the engine
will still run correctly but:
·     Domestic charge warning lamp will not function
·     Warning buzzer will remain on at all times
Standard control panels are supplied with four or five lamps:
Four lamp panels:         2a, 2ab'V', 2ab'V'W and 2b, these panels utilise bulbs inside sealed lamp
Five lamp panels:         2ab'd' and 2c'd', these panels also utilise bulbs inside sealed lamp holders,
                          having an additional lamp for domestic battery charge
All Beta panels have the following warning lamps:                     (2a, 2ab'd', 2ab'V', 2ab'V'W, 2b, 2c'd')
Starter battery charge warning lamp                                              Red
·   High engine temperature warning lamp                                         Red
·   Low engine oil pressure warning lamp                                         Red
All panels also have:
·    Panel power on (this is not a warning lamp)                                 Green
In addition to above the domestic panels also have:                   (2ab'd', 2c'd' only)
·    Domestic battery charge warning lamp                                      Red
With keyswitch* in run position & engine off:
·     Red lamp for no starter battery charge should function
·     Red lamp for no domestic battery charge should function (Note: this will only function if a second
      alternator is fitted to the engine and connected to a charged battery)
·     Red lamp for high engine temperature should not function (when engine is cold / cool / warm). This
      lamp will only ever function if the engine is over temperature.
·     Red lamp for low oil pressure should function
·     Green lamp for panel power on should function
·     Buzzer should sound
* For operation of engines controlled with keyless panels refer to `Correct operation of keyless
panels' later in this section
When the engine is started, all the red warning lamps should switch off leaving just the green power on
indication lamp illuminated. The oil pressure lamp may take a few seconds to switch off and the charge
fail lamp may remain on until engine rpm is increased to approximately 1,000rpm if the engine was
started at tickover).
Before investigating any specific electrical problem, always check:
·   Connection between panel harness and panel loom. It must be clean, dry and secured with a cable tie.
·   Check the start battery is connected to the correct terminal on the starter motor.
·   Check the domestic battery is switched on and connected to the correct terminals for the 2 alternator.
·   Battery connections, inspecting condition of cables from battery to engine. If in doubt measure the voltage at
    the engine.
·   If alternator charge problem, measure battery voltage with engine off
    and again with engine running, if there is an increase alternator is
    functioning correctly, if not refer to check list.
                   Typical start battery positive

                   Typical start battery negative

Note: The two way plug on panel loom will only have a
corresponding socket to connect into from the engine if a 2nd
alternator is fitted which requires this connection. Engines with
only one alternator do not utilise this connection.

Electrical fault finding ­all lamp panels

Problem                                     Possible cause & solution
No warning lamps or buzzer functioning,     -     Battery isolation switch in off position ­switch on
engine will not start or stop               -     Starter battery discharged ­ charge
                                            -     Engine fuse blown ­check fuse (above starter motor or
                                                  flywheel housing) & replace if necessary.
                                            -     Check for wiring faults.
Non function of warning lamp                -     Disconnect switch wire to non-functioning lamp:
                                                  green/blue ­water temperature, white/brown ­oil
 THE WATER TEMPERATURE LAMP                       pressure, brown/yellow ­alternator charge. Reconnect
   WILL NOT FUNCTION UNLESS                       wire temporarily to another warning lamp that is
ENGINE IS OVERHEATING OR THERE                    functioning; if wire switches lamp on replace faulty lamp.
        IS A WIRING FAULT                   -     Disconnect positive feed to non-functioning lamp.
                                                  Reconnect temporarily with wire from another warning
                                                  lamp that is functioning, if wire switches lamp on rewire
                                                  with new connection.
                                            -     If none of the above, check continuity of connections
                                                  from panel to engine.
Water temperature warning lamp on           If engine is cold:
when engine is not over temperature         -     Faulty wiring, check connection & continuity (small green
                                                  / blue) from switch to panel lamp. Ensure this
(Not 2B or 2C deluxe panel see table on           connection is not shorting to earth (ground).
following page)                             -     Faulty temperature switch ­if lamp switches off on
                                                  removal of connection to switch unit, replace.
                                            If engine is warm:
                                            -     Switch wire connected to large sender terminal of switch
                                                  / sender unit. Remove and refit to smaller (switch)
Buzzer not functioning                      -     If lamp is functioning but buzzer not sounding, check
                                                  connection & continuity from illuminated warning lamp
 THE BUZZER WILL NOT SOUND FOR                    (red not green) to buzzer board.
       GREEN POWER ON LAMP                  -     Faulty warning panel buzzer board ­replace.
Starter battery charge lamp not             If tacho not functioning:
functioning                                 -     Alternator not connected properly, check continuity of
                                                  small brown wire from rear of alternator to `AC' position
                                                  on keyswitch.
                                            -     alternator connected properly, faulty alternator ­replace
                                            If tacho functioning correctly:
                                            -     Check continuity of small brown/yellow wire from rear of
                                                  alternator to no charge warning lamp on rear of panel.
                                            -     If alternator connected properly, faulty panel warning
                                                  lamp ­replace
Tacho not functioning                       -     Check connections on rear of tacho, especially
                                                  black/blue wire, terminal `4'
                                            -     Check connection of black/blue wire on rear of 1st
                                                  alternator (W connection, usually a bullet on flying lead,
                                                  or lowest connection on alternators with 3 pin coupler)
                                            -     Check continuity of black/blue wire from alternator to
                                            -     Measure voltage from alternator W connection to earth
                                                  (ground), should be approx. 7.5 ­ 9.0 volts AC
Domestic charge lamp not functioning,       -     Domestic battery not connected
buzzer remains on with engine running       -     Domestic battery not connected correctly:
                                            B+ to domestic isolation block on starboard rail (port on 75 & 95hp)
                                            B- to engine earth (ground)
                                            -    Domestic battery flat
                                            -    Panel relay faulty / incorrectly wired:
                                            Check voltage at relay terminal 86, white wire is positive feed
                                            for warning lamp from AC position of keyswitch.
Domestic charge lamp not functioning,       -    No second alternator fitted to engine, domestic lamp not
buzzer switching off with engine running         used
                                            -    D+ (charge indication) lamp connection at rear of
                                                 alternator not connected
                                            -    Two way plug & socket disconnected between engine
          THE ENGINE
                                                 harness & panel loom

Electrical fault finding ­2c'd' & water temperature function on 2b panels
In addition to the fault finding detailed on the previous table, the following is specific for the 2c'd' type
deluxe panel (Also applicable for the 2b panel with Murphy water temperature gauge)
Problem                                        Possible cause & solution
Oil pressure warning lamp not                  -  Faulty wiring ­check wire connection & continuity (small
functioning, oil pressure gauge showing           white/brown) from sender to panel lamp. Ensure this
maximum deflection. Engine off and                connection is not shorting to earth (ground).
keyswitch in run position
Oil pressure gauge showing no                  -    Faulty wiring ­check oil pressure sender wire (small
movement -even when engine is started.              white / brown) is connected.
Warning lamp functioning correctly
Oil pressure showing no movement,              -      Check connection to oil pressure gauge, if plug is not
Warning lamp not functioning correctly                connected to socket on rear of gauge, reconnect.
                                               -      If all connections are correctly made, possible faulty
                                                      sender unit ­check resistance to earth (ground) approx.
                                                      50. Replace if no reading or short-circuited.
                                               -      If adjusted correctly & buzzer still sounding, possible
                                                      faulty switch gauge unit ­ replace.
Oil pressure showing normal operating          Engine warm:
pressure (0.75­5 bar). Buzzer sounding         -      Incorrectly calibrated switching point for warning lamp,
& lamp illuminated.                                   adjust on rear of gauge to 0.5 bar (minimum adjustment
                                                      on gauge).
                                               -      If adjusted correctly & buzzer still sounding, faulty switch
                                                      gauge unit ­ replace.
Water temperature gauge showing                Engine cold / cool:
   o       o
120 C / 250 F                                  -      Faulty wiring, check water temperature sender wire is
   THIS ALSO APPLIES TO THE 2b                        not shorting to earth (ground).
   PANEL WITH MURPHY GAUGE                     -      Faulty sender unit, ­check resistance to earth (ground),
                                                      approx. 3.5k (cold) ­ 0.5k (warm). Replace if
                                                      notably less.
Water temperature gauge showing                Engine warm:
normal operating temperature (85oC).           -      Incorrectly calibrated switching point for warning lamp,
                                                                                      o        o
Buzzer sounding & lamp illuminated.                   adjust on rear of gauge to 100 C / 210 F.
   THIS ALSO APPLIES TO THE 2b                 -      If adjusted correctly & buzzer still sounding, faulty switch
   PANEL WITH MURPHY GAUGE                            gauge unit ­ replace.
Water temperature gauge showing no             -      Check connection to sender, if disconnected gauge will
movement, lamp not illuminated, engine                not function.
warm.                                          -      Check connection to temperature gauge, if plug is not
   THIS ALSO APPLIES TO THE 2b                        connected to socket on rear of gauge reconnect.
   PANEL WITH MURPHY GAUGE                     If all connections are correctly made, faulty sender unit ­
                                               check resistance to earth (ground), approx. 3.5k (cold) ­
                                               0.5k (warm). Replace if no reading.
Electrical ­Correct operation of keyless panels
These panels control the engine with three water resistant push buttons instead of a keyswitch, which
are less prone to damage and corrosion from sea water spray than a keyswitch.
To operate the engine:
1. Press and hold `HEAT' button for ten seconds maximum
·    Red lamp for no starter battery charge should function
·    Red lamp for high engine temperature should not function (when engine is cold / cool / warm). This
     lamp will only ever function if the engine is over temperature.
·    Red lamp for low oil pressure should function
·    Green lamp for panel power on should function
·    Buzzer should sound
2. Press `START' button and hold in position until engine fires (see initial start-up section for maximum
     time starter can be operated). Release button (when engine has started)
·     All red warning lamps should extinguish and buzzer should stop sounding. The oil pressure lamp
      may take a few seconds to switch off and the charge fail lamp may remain on until engine rpm is
      increased to approximately 1,000rpm if the engine was started at tickover.
·     Green lamp for panel power on should still function
3. To stop the engine press the `STOP' push button, hold in until engine stops. This button also
     switches the power off to the gauges, engine and power on lamp.
4. To re-start the engine, simply repeat steps from `1' above, there is not need to switch battery
     isolators off whilst remaining on board.
5. If leaving the boat, isolate start battery from engine and panel, to prevent accidental start up of

Electrical fault finding ­Non Beta Panels

Engines can be supplied wired up to suit VDO switch senders, usually fitted to a non-Beta control panel.
If so refer to our wiring diagram 200-60971/01 (also part number for replacement harness)
·   Loom is configured differently in the 11-way plug to accommodate the extra wiring.
·   Small brown wire (battery sensed alternator feed) fitted with bullet connection beside harness plug.
·   Oil pressure & water temperature switch / senders fitted to engine, requiring individual connections
    for driving gauges & warning lamps.
Water temperature switch / sender             (Part number 200-01133)
    -   large spade is sender connection               (green/blue)
    -   small spade is switch connection               (blue/yellow)
Oil pressure switch / sender                  (Part number 200-62680)
     -   G                 Gauge wire                  (white/brown)
     -   M                 Earth (ground)              (black)
     -   WK                Warning lamp                (green/yellow)
Electrical fault finding ­Extension harnesses
Some installations require one of the panel extensions 11 way connectors to be removed to allow the
cable to be passed through bulkheads etc. If any panel problems are experienced after this may have
been carried out, visually check all 11 way connections on engine harness to panel extension (and
panel extension to panel on 2c deluxe) to ensure wire colours to each terminal match up to the
correct colour in its corresponding terminal. Extra attention must be given to black (ground) and
black/blue (tacho), also brown (switched positive to alternator) and brown/yellow (charge fail) as these
connections are harder to distinguish between in poorly lit areas. Whilst doing this check integrity of
each connection to ensure terminals have not become damaged. Once checked, re-fit cable tie around
each connection to keep them secure
Beta P/N's for replacement items:

Description                                                                Part number
40 amp blade fuse (all panels)                                             200-00959
Alarm board ­all panels from June 05                                       200-04655
Oil pressure switch 1/8"BSP (not 2c panels)                                600-62670
Oil pressure sender (2c panels only)                                       200-94350
Oil pressure switch gauge (2c panels only)                                 200-96190
Temperature switch with single terminal (on some BZ602 & BD902)            600-62820
Temperature switch / sender 1/8"BSP (not 2b or 2c panels)                  200-01133
Temperature sender (2b & 2c panels only)                                   200-94360
Water temperature switch gauge (2b & 2c panels only)                       200-96200
Voltmeter (2c panels only)                                                 200-96210
28Ra relay 12V 40A (fitted to rear of domestic panels)                     200-87020
Keyswitch, silver bezel                                                    600-00057
Panel stop button (all panels) ­Also heat and start on 2ab'V'W             200-00072
Tacho, 0-4000rpm with digital hour counter (all panels but 2a)             200-02373
Standard engine harness Mini Series                                        200-98380/01
Standard engine harness S5 Series                                          200-60973/05
Standard engine harness S3 series                                          200-05267
Iskra 65 amp sub loom                                                      200-01196
1m panel extension loom                                                    200-04588/01
2m panel extension loom                                                    200-04588/02
3m panel extension loom                                                    200-04588/03
4m panel extension loom                                                    200-04588/04
Domestic charge engine sub loom (top mounted alternators)                  200-01197
Green power on indicator lamp & retaining clip                             200-04656
Red warning indicator lamp & retaining clip                                200-04657
Note: the above part numbers are suitable for earth return installations only (where battery negative
cable is connected directly to engine ground). For insulated earth (where battery negative cable is
isolated from engine ground) different harnesses, alternators, switches for oil pressure and engine
temperature will be required. If your application is wired as insulated earth return and the engine will not
operate correctly, always check starter battery negative is connected to the correct terminal on the
isolating solenoid. It should be connected to the terminal which is also used for all the small black wires,
NOT the terminal with the single black wire connected directly to engine ground.

                                  SPANNER TORQUE SETTINGS
Tightening Torques for general use bolts and nuts

ITEM                         Size x Pitch            kgf .m        ft .lbs       N .m

M6 (7T) : 6mm (0.24in)            ­                 1.0~1.15      7.2~8.3      9.8~11.3

M8 (7T) : 8mm (0.31)              ­                 2.4~2.8      17.4~20.3    23.5~27.5

M10 (7T) : 10mm (0.39in)          _                 5.0~5.7     36.2~41.2     49.0~55.9

M12 (7T) : 12mm (0.47in)          _                  7.9~9.2    57.1~66.5     77.5~90.5

Tightening Torques for special use bolts and nuts

ITEM                         Size x Pitch            kgf.m         ft.lbs        N.m

Head Bolts                    M11 x 1.25            9.5 ~10.0   68.7~72.3     93.1~98.0

Bolts, Connecting Bolts        M8 x 1.0             4.5~5.0     32.5~36.2     44.1~49.0

Bolts, Flywheel               M12 x 1.25            10.0~11.0   72.3~79.5     98.0~107.8

Bolts 1, Bearing Case         M9 x 1.25             4.7~5.2     34.0~37.6     46.1~50.9

Bolts 2, Bearing Case         M10 x 1.25             7.0~7.5    50.6~54.2     68.6~73.5

Nozzle Holder Assembly        M20 x 1.5              5.0~7.0    36.2~50.6     49.0~68.6

Caps Nuts, Head Cover         M8 x 1.25             0.7~0.9       5.1~6.5      6.9~8.8

Glow Plugs                    M10~1.25              2.0~2.5      14.5~18.1    19.6~24.5

Oil Switch                      PT 1/8               1.5~2.0    10.8~14.5      14.7~19.6

Nuts, Rocker Arm Bracket      M8 x 1.25             2.4~2.8      17.4~20.3    23.5~27.5

Bolts, Idle Gear Shaft        M8 x 1.25             2.4~2.8      17.4~20.3    23.5~27.5

Nut, Crank Shaft              M30 x 1.5             14.0~16.0   101.2~115.7   137.3~156.9

Nut, Injection Pipe           M12 x 1.5             2.5~3.5     18.1~25.3     24.5~34.3

                                                   SECTION 3
The installation details contained herewith are basic guidelines to assist installation, due to great diversity of marine
craft it is impossible to give definitive instructions. Therefore Beta Marine can accept no responsibility for any damage
or injury incurred during the installation of a Beta Marine Engine whilst following these guidelines.
·       All engines shall be placed within an enclosure separated from living quarters and installed so as to minimise
        the risk of fires or spread of fires as well as hazards from toxic fumes, heat, noise or vibrations in the living
·       Unless the engine is protected by a cover or its own enclosure, exposed moving or hot parts of the engine
        that could cause personal injury shall be effectively shielded.
·       Engine parts and accessories that require frequent inspection and / or servicing must be readily accessible.
·       The insulating materials inside engine spaces shall be not combustible.

To ensure vibration free operation, the engine must be installed on substantial
beds, extending as far forward and aft as possible and well braced to form an
integral part of the hull.
The engine must be installed as low as possible on the flexible mount pillar stud.
This will limit vibration and extend the life of the flexible mount. If necessary, fit
spacer blocks below the mounts.
A flexible coupling should be fitted. Flexible couplings do not accommodate bad
alignment. The mating faces of the gearbox and tailshaft must be checked for
alignment, they must be parallel and concentric to within 0.005" (0.127mm).

Alignment must be checked for parallel (A) and concentric (B) misalignment using
a set of feeler gauges.
To obtain accurate alignment the flexible mountings must be adjusted until
alignment is attained, and the mountings must be locked in position.
Once mounts are tightened, alignment must be re-checked. Coupling can now be
fitted in accordance with instructions supplied with coupling.

(1) Do not set the engine feet high up the flexible mount pillar stud. This will cause
excessive engine movement and vibration. Pack under the flexible mount with
steel shims securely bolted into the engine bearer.
(2) The pillar stud on the flexible mount is secured into position by the lower
locknut, do not forget to tighten this. Also ensure that the stud is not screwed too far through the mounting
body so that it can touch the mounting bearer. This will cause vibration and knocking noises which are very
hard to find!

(a)        A correctly installed engine as described in this handbook will meet the exhaust emission requirements of
           Directive 2003/44/EC amending the Recreational Craft Directive 94/25/EC.

(b)        For compliance with exhaust emissions requirements, engines must have correctly installed exhaust
           systems. To ensure exhaust emissions are kept within permissible limits it is most important to reduce
           exhaust back pressure to a minimum, whilst ensuring exhaust is adequately muffled. Back pressure
           increases as exhaust length increases and from bends in the exhaust system. The exhaust back pressure,
           measured with the exhaust system connected and the engine running at full speed, must not exceed
           80mmHg (3.1inchesHg / 42 inches WG). The correct measuring point is at the position where the exhaust
           connects to the exhaust manifold. That is before the water injection elbow or dry exhaust bellows.

Wet Exhaust hose should be matched to the following injection bend sizes.

                                           BV1903                           BV2203

Standard                                   50mm                             50mm

High rise water injection bend SS          50mm                             50mm

Typical Yacht Installation

                             Maximum sea water level when healed
                               (on the centre line of the boat)

                                                           300mm minimum
                                          Normal sea water level

Allow at least 10% of
propeller diameter for tip
clearance to hull

                                                                   If a rope cutter is fitted, allow approximately ½" for
                                                                   movement of engine, see manufacturer's literature


(1) One of the most common problems with engine installation is water entering the exhaust
    manifold from the exhaust system by syphoning. This can occur when the point of water
    injection (X) on the engine is close to or below the water line. Water entering the pistons
    can cause bent con rods, emulsified engine oil and a wrecked fuel pump! Its best

(2) The diagram shows a typical installation. It is essential that the small black rubber hose
    connecting the heat exchanger with the injection bend is removed and replaced by a
    hose marked `a'. This must be of sufficient length to supply either a T piece or an anti-
    syphon valve sited at least 300mm (12 inches) above the water line and on the centre
    line of the boat. The pipe then returns to the injection bend and the sea water is
    pumped down the exhaust pipe.

(3) The exhaust back pressure should not exceed 3.1 inches of Hg.

1. The mechanical fuel lift pump is fitted to all engines as standard, but if a suction head of 0.25m is
required then an electric fuel lift pump must be fitted (ask your dealer or Beta Marine).
2. It is very important that the excess fuel from the injectors is fed back to the fuel tank and not back to
any point on the supply line. This will help prevent air getting into the system.
3. Fuel pipe sizes are:               Supply (mm)                  Leak off (mm)
                                                8                           8
4. Any fuel leaks in the system are likely to cause poor starting and erratic running and must be
corrected immediately.
5. A fuel/water separator must be installed. (See 7).
6. The fuel return (leak off) pipe must loop down to be level with the bottom of the tank before it enters
the top of the tank - see 12. This prevents fuel `drain down'. This can cause poor starting. (See 12).
7. Fuel lines and hoses must be secured and separated or protected from any source of significant heat.
The filling, storage, venting and fuel supply arrangements and installations must be designed and
installed so as to minimise the risk of fire and explosion. Flexible fuel hoses connecting the engine to
fuel tank supply and return lines must meet the requirements set in standard ISO 7840:1995/A1:2000
and as required by your surveyor / authority.
SEAWATER INLET SYSTEM (Heat exchanger cooled engines)
Your engine is fitted with a gear driven sea water pump which sucks in seawater or raw water to cool the
closed circuit system via the heat exchanger.
1. It is very important that the seawater inlet should
have a strainer system either built into the sea cock or a
high level system with visual inspection glass, as
shown, mounted just above the water line.
2. The inlet sea cock and pipe work to the sea water
pump should be 25mm ID or 1" minimum.
3. Good access to the inlet sea cock is essential so that
plastic bags or seaweed trapped in the intake can be
poked out!
4. All pipe work should have approved marine grade
stainless steel hose clips. Any loose clamps or bad
connections can cause flooding and sinking the vessel.
5. If water is required for stern tube lubrication then this should be taken from a `T' piece in the pipe
going from the heat exchanger outlet to the water injection bend.
6. Scoop type water pickups should never be used, as water will be forced through the pump and into
the exhaust system whilst the vessel is in motion. This is very dangerous as the exhaust will eventually
fill and raw water will back up into the engine through the exhaust valve. Catastrophic failure will result
as soon as the engine is restarted.
Note: The maximum lift of the sea water pump is 2m

All Beta engines can be fitted with the engine tappings
to allow the hot water from the closed fresh
water/antifreeze system to circulate through a calorifier
tank, which in turn heats up domestic water.

Calorifier tappings on this range of engine are shown.

1. The big problem with a calorifier is to remove all the
air from the system. If this is not achieved then they
don't work!

2. Try and keep the supply and return pipes either
horizontal or sloping down in a continuous fall towards
the calorifier. This avoids air pockets being created.

3. Extra care must be taken when first filling the
calorifier circuit system with 50% antifreeze to water
solution as the engine may appear to be full but it soon
disappears into the calorifier pipe work. Run the engine
off load for 10 minutes then check the level as
described in `Filling The Fresh Water System'.
Also check to see if the pipe going to the calorifier is getting warm. Top up the water level as required
and run for another 10 minutes then repeat.
4. If the water level is steady but no warm water is getting to the calorifier then very carefully open the
calorifier bleed valve (see manufacturers instructions) or if none is provided then very carefully loosen
the jubilee clip securing the supply pipe to the calorifier. Air should escape. Refasten securely when no
further bubbles are seen.

Do not do this when the engine is hot as scalding hot water may be forced out of the pipe under

Beta has 4 panel options: 2a
                          2ab'D' or 2ab'V' or 2ab'V'W
                          & 2c'D'
The engine harness is common to all.
1. These panels must not be installed where sea water spray can get at them. A suitable flap or cover
must be fitted.
2. Panels must be fitted in a location where the helmsman can either see or hear the alarm system.
3. For standard wiring diagrams see following pages.
4. Extension looms longer than 3m (10 feet): As an option, Beta can provide various lengths of
extension looms for runs of over 3m, but this kit includes a start relay to overcome the voltage drop.
(See drawing 300-58520)
5. All electrical equipment must be protected from sea water. Sea water or rust in the starter will
invalidate warranty. Care must be taken when pushing the two halves of the plug together to ensure
that individual pins do not push out. To prevent corrosion and assist in assembly we recommend that
the plug is packed with petroleum jelly (Vaseline) and then carefully pushed together. The plastic boots
should cover both halves and overlap. A cable tie is then put round to hold the two halves in position
and help prevent any ingression of water.
6. All cables must be adequately clipped and protected from abrasion.
7. Electrical systems shall be designed and installed so as to ensure proper operation of the craft under
normal conditions of use and shall be such as to minimise risk of fire and electric shock.
8. Attention shall be paid to the provision of overload and short-circuit protection of all circuits, except
engine starting circuits, supplied from batteries.
9. Ventilation shall be provided to prevent the accumulation of gases, which might be emitted from
batteries. Batteries shall be firmly secured and protected from ingress of water

Wiring diagrams & General Arrangements
1. Typical starter motor ratings                                               Page 27
2. Suggested engine starter battery size                                       Page 27
3. Keyswitch terminations                                                      Page 27
4. Standard engine harness (65 Amp)                           200-05451        Page 28
5. Standard engine harness (100 Amp)                          200-06015        Page 29
6. Diagram of 2a panel & cut-out                              200-06516        Page 30 & 31
7. Diagram of 2ab'd' panel & cut-out                          200-06517        Page 32 & 33
8. Diagram of 2ab'V' panel & cut-out                          200-06519        Page 34 & 35
9. Diagram of 2ab'V'W panel & cut-out                         200-06333        Page 36 & 37
10. Diagram of 2b panel & cut-out                             200-06520        Page 38 & 39
11. Diagram of 2c'd' deluxe panel & cut-out                   200-06518        Page 40 & 41
12. Diagram of domestic extension harness                     200-04588        Page 42
13. GA of BV19/2203 H/E ­ZF12/15M                             100-02011        Page 43
14. GA of BV19/2203 H/E ­TMC60M                               100-05154        Page 44
15. GA of BV19/2203 H/E ­ZF25H                                100-01333        Page 45
16. GA of BV19/2203 H/E ­PRM260                               100-01351        Page 46
17. Split charge relay wiring (65 Amp)                        300-62210        Page 47
18. Starter booster relay diagram                             300-58520        Page 48
19. 100 Amp alternator information                            200-05466        Page 49
20. Beta Controller information                                                Page 50
21. Wiring 100 Amp & Controller                               100-05470        Page 52
22. Declaration of Conformity for Recreational Craft                           Page 53 & 54
23. Maintenance record and service items                                       Page 55

Starters used in Kubota engines have the following standard capacities
          Engine                   Starter capacity (kW)
          BV1903                            1.4
          BV2203                            1.4

          Engine                Typical Battery Capacity (AH)               Typical C.C.A. (A)
                                        at a 20hr Rate                   Cold Cranking Amperage
          BV1903                           100 ~123                             580 ~ 670
          BV2203                           100 ~123                             580 ~ 670

1. Keyswitch terminations
The standard panel keyswitch can be used to tap off a switched positive ignition feed to
power additional gauges. In this way these gauges will only be live whilst the engine is
running, the engine is starting or the heaters are being used.

For silver keyswitches, the terminal to achieve this ignition switched positive is marked `AC'.

For black keyswitches, the terminal to achieve this ignition switched positive is marked `15/54'.

For panels without any keyswitch, gauges can be driven from the 1mm2 brown wire, which
terminates at the 11 way connector terminal 4. This is a low power switched positive, any
additional power required from this connection must be fed through a relay, as noted below.

Note: these keyswitch terminals are rated at 10 amps maximum, since they are already
utilised for panel and alternator feeds Beta Marine recommends any additional
requirements from these terminals must be fed through a relay. This relay should then be
connected to it's own fused positive supply directly from the engine battery. Beta
drawing 202-06421 illustrating the wiring of a typical electric fuel lift pump with ignition
switched relay can be supplied upon request.

                    5.00       10.00                                                          10.00

                           80.00                                                                                    90.00

                                                                      140.00                                        5.00
                                                                                                                     50.32 ADD 30mm FOR WIRES

REV   DESCRIPTION                      DATE   APP'D   DRAWN   NOTES
01                                                                                                                                                                                          2A PANEL

                                                              DIMENSIONS IN MM (INCH)
                                                                  DO NOT SCALE
                                                                                                                         BETA MARINE LTD,      DRAWN BY:-              SIZE    DWG NO.                             REV
                                                                                                                         MERRETTS MILLS,
                                                                                                                           BATH ROAD,
                                                                                                                                                            TW         A4                200-06305                       00
                                                                 BETA MARINE                                           SOUTH WOODCHESTER,
                                                                                                                       STROUD, GLOS. GL5 5EU
                                                                                                                                               CHECKED BY:-
                                                                                                                                                                       SCALE              PAGE            DATE
                                                                TEL: (01453) 835282   FAX: (01453) 835284                                                    LT                 NTS              2 of 2          15/11/2004
              10.00                                                                  10.00


                170.00                                                                                          180.00

           5.00                                                                                             10.00
                  5.00                            185.00
                                                                                                      O 5.00 THRU
                                                                                                                              50.32 ADD 30mm FOR WIRES

01                                                                                                                                                                      2AB PANEL

                                                DIMENSIONS IN MM (INCH)
                                                    DO NOT SCALE
                                                                                                        BETA MARINE LTD,       DRAWN BY:-           SIZE    DWG NO.                             REV
                                                                                                        MERRETTS MILLS,
                                                                                                          BATH ROAD,
                                                                                                                                            TW      A4                200-06304                       01
                                                   BETA MARINE                                        SOUTH WOODCHESTER,
                                                                                                      STROUD, GLOS. GL5 5EU
                                                                                                                               CHECKED BY:-
                                                                                                                                                    SCALE              PAGE            DATE
                                                  TEL: (01453) 835282   FAX: (01453) 835284                                                  LT              NTS              2 of 2          15/11/2004
          5.0                    10.0                                                           10.0

                130.0                                                                                            140.0


                                       20.0                                                                        10.0
                        5.0                                 170.0                                               O 5.0 THRU

                                                                                                                                   50.3 ALLOW 30mm FOR WIRES                       36.7

01                                                                                                                                                                                 ABV PANEL

                                                          DIMENSIONS IN MM (INCH)
                                                              DO NOT SCALE
                                                                                                                   BETA MARINE LTD,       DRAWN BY:-           SIZE    DWG NO.                              REV
                                                                                                                   MERRETTS MILLS,
                                                                                                                     BATH ROAD,
                                                                                                                                                       TW      A4                200-06320/01                     00
                                                             BETA MARINE                                         SOUTH WOODCHESTER,
                                                                                                                 STROUD, GLOS. GL5 5EU
                                                                                                                                          CHECKED BY:-
                                                                                                                                                               SCALE              PAGE             DATE
                                                            TEL: (01453) 835282   FAX: (01453) 835284                                                   LT              NTS               2 of 2          23/11/2004
                                                                                      O 5.00 THRU

     140.00                                                                                  120.00



                                         5.00       20.00                                             10.00
                               160.00                                                 10.00
                                                                                                50.50 ALLOW 30mm FOR WIRES

REV             DESCRIPTION      DATE      APP'D   DRAWN    NOTES
                                                                    AS USED ON K14744                                                                             ABVW WATER PROOF PANEL

                                                            DIMENSIONS IN MM (INCH)
                                                                DO NOT SCALE
                                                                                                                     BETA MARINE LTD,       DRAWN BY:-           SIZE    DWG NO.                             REV
                                                                                                                     MERRETTS MILLS,
                                                                                                                       BATH ROAD,
                                                                                                                                                         TW      A4                200-06331                       00
                                                               BETA MARINE                                         SOUTH WOODCHESTER,
                                                                                                                   STROUD, GLOS. GL5 5EU
                                                                                                                                            CHECKED BY:-
                                                                                                                                                                 SCALE              PAGE            DATE
                                                              TEL: (01453) 835282    FAX: (01453) 835284                                                  LT              NTS              2 of 2          01/12/2004

                    10.00                                                                                10.00

               155.00                                                                                                              165.00


                    5.00                                      200.00                                                                                                                       22.62
                                                                                                                                            50.32 ALLOW 30mm FOR WIRES

01                                                                                                                                                                                    2B PANEL

                                                   DIMENSIONS IN MM (INCH)
                                                       DO NOT SCALE
                                                                                                                   BETA MARINE LTD,         DRAWN BY:-           SIZE    DWG NO.                               REV
                                                                                                                   MERRETTS MILLS,
                                                                                                                     BATH ROAD,
                                                                                                                                                         TW      A4                200-06303                         00
                                                      BETA MARINE                                                SOUTH WOODCHESTER,
                                                                                                                 STROUD, GLOS. GL5 5EU
                                                                                                                                            CHECKED BY:-
                                                                                                                                                                 SCALE              PAGE              DATE
                                                     TEL: (01453) 835282   FAX: (01453) 835284                                                            LT              NTS                2 of 2          15/11/2004
             10.00                                                                                                                         10.00


         156.00                                                                                                                                      166.00

                                                                   288.00                                                                       5.00                                         22.62
                                                                                                                                                             50.32 ADD 30mm FOR WIRES

01                                                                                                                                                                                  2C PANEL

                                                          DIMENSIONS IN MM (INCH)
                                                              DO NOT SCALE
                                                                                                                  BETA MARINE LTD,      DRAWN BY:-              SIZE   DWG NO.                                     REV
                                                                                                                  MERRETTS MILLS,
                                                                                                                    BATH ROAD,
                                                                                                                                                     TW         A4               200-06306                               00
                                                             BETA MARINE                                        SOUTH WOODCHESTER,
                                                                                                                STROUD, GLOS. GL5 5EU
                                                                                                                                        CHECKED BY:-
                                                                                                                                                               SCALE              PAGE                    DATE
                                                            TEL: (01453) 835282   FAX: (01453) 835284                                                 LT                NTS              2 of 2                  15/11/2004
                           BETA CONTROLLER
                                SEA SPEC ENGINES
The BETA CONTROLLER is an integrated battery charging external regulator. It
is designed to be used with Beta s 70 and 100am p Iskra alternators.
The system utilises a three stage charging characteristic which optimises the rapid
charge of battery systems.
The first stage (A mode) is a boost charge, which is indicated by the indicator LED
showing red.
The second stage (B mode) is where the voltage is kept at a high level and where
the current is between 10% and 95% of the nominal alternator current, the LED
shows orange.
The third and last stage (C mode) is intended for maintenance of battery voltage
only. When the alternator current is under a predetermined value for a time greater
than 2 minutes, the regulating mode is changed from B to C mode.
The system automatically adjusts the charge mode to suit the load and is set in our
works for conventional lead-acid batteries. It can easily be re-set for deep cycle or
gel batteries. A more detailed specification can be obtained from BETA MARINE.

                     A.MODE           B.MODE                       C.MODE
                    RED L.E.D       ORANGE L.E.D                 GREEN L.E.D





The Beta Controller has been designed
for mounting off the engine in a location
away from vibration, water and
condensation. Ideally as there is a
charge mode status LED, the unit should
be positioned to allow for inspection of
charge operating condition.

All goods are offered and supplied in accordance with our 'General Terms of Tender Sale'.   1

  The graphs below illustrate charging voltages for different battery types.


14                                                            DIP-switch


12                                   C      1 - OFF
       -20   0   20   40   60               2 - OFF

Maintenance-free Batteries and deep-cycle Batteries

                                                             Cover removal for resetting of DIP switches

                                                             U1 = Mode B (Orange lamp)

13                              U1
                                                             U2 = Mode C (Green lamp)
12                                   C      1 - ON
       -20   0   20   40   60               2 - OFF
                                                             Note: ensure all batteries are switched off, controller is
                                                             disconnected from wiring before removing any covers.
                  Conventional Batteries
                                                             Voltage setting for battery charge is done through the
                                                             two DIP switches inside the controller. Remove the
                                                             cover by removing the top four screws and loosening
                                                             the bottom four. This cover is sealed on to prevent
Volt                                                         water ingress, this seal must be broken for cover
                                            positions        Set the dip switches to the required settings as
                                                             illustrated on the charts opposite.
14                                                           Re-seal controller with silicon sealant or equivalent
                                                             after setting switches.

12                                   C
                                                             As standard the controllers are supplied to Beta Marine
                                            1 - OFF
       -20   0   20   40   60               2 - ON           to suit lead acid batteries.

                                                             If in doubt on battery type check with battery supplier
                      Gell Batteries                         before fitting controller.     Beta Marine are not
                                                             responsible for incorrect switch setting for each


  All goods are offered and supplied in accordance with our 'General Terms of Tender Sale'.                           2

                                    SERVICE ITEMS
APPENDICES                          Please complete the following from new when commissioning the engine,
23. MAINTENANCE RECORD              if there are any additional items fitted please note these here too. Write
                                    full numbers for additional drivebelts.
Date          Service carried out    Item                                                  Beta P/No
                                     Standard 65 Amp drivebelt                            214-96830
                                     Optional 100 Amp drivebelt                           214-00497
                                     Oil filter                                          211-70510/02
                                     Fuel filter                                          211-60210
                                     Air filter element                                   211-61831
                                     40 Amp blade fuse                                    200-00959
                                     Zinc wasting anode                                   209-61840
                                     Jabsco sea water pump impeller                       207-80800
                                     Jabsco sea water pump gasket                         207-62600
                                     Jabsco sea water pump service kit                    207-80810
                                     Tubestack nitrile O ring                             209-80110
                                     Flexible mount 45 shore (BV1903
                                     standard, (not if fitted with PRM260)               213-85900/02
                                     Flexible mount 55 shore (All BV2203
                                     & BV1903 ­ PRM260 only)                             213-96970/01

                                     Engine identification
                                     Engine serial number
                                     WOC number
                                     Date of purchase
                                     First operated
                                     Where purchased/Distributor
                                                        Sail Drives 13.5 to 50bhp

Heat Exchanger Cooled 10 to 90bhp

Keel Cooled 10 to 90bhp                                 Beta Marine Generating Sets
                                                        3.7 to 40kVA


    Beta Marine Limited
    Davy Way, Waterwells,
    Quedgeley, Gloucester
    GL2 2AD, U.K.

    Tel: 01452 723492
                                                        Beta Marine Generating Sets
    Fax: 01452 883742
                                                        30 to 900kVA
    Technical Spares email:
    Technical Warranty email:                                 Ref: 1660

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