Westerbeke Vire 7, Owner'S Manual, Page: 13 / 43

Engine Speed and Maneuvering of Reverse/Reduction Gear
1. Open the throttle so that the engine runs slightly faster than in neutral.
2. Engage the gear in required direction.
3. Set required speed by adjusting the throttle.
Attention!
Engaging the gear for forward or reverse should be done at lowest possible RPM. To
prevent clutch cone damage.
Running-In of engine
Careful use during the first ten hours will increase engine life time. During this time avoid heavy
loads and top RPM.
Full engine power will be reached only after the engine parts have become smoother. This
smoothing process takes place during the first fifty hours or so.
Stopping
1. Move the throttle to idling position.
2. Place the gear lever in neutral position
3. Turn off ignition.
4. Close fuel cock.
5. If exhaust pipe cooling had been installed as shown in Figure 5. C, close the water cock (H).
CONSTRUCTION
General
The Vire 7 engine has been designed for marine use only. It is equipped with a reverse/reduction
gear. By means of a hand gear lever forward-neutral-reverse is engaged. The reduction gear
ratio is 2:1 and in froward gear the propeller is turning in opposite direction of the engine.
Ignition is provided through a flywheel magneto from which electricity for lighting purposes may
also be derived (6V/16W).
The engine is provided with a 12V / 14A max. motor generator. The carburetor is of diaphragm
type, which guarantees fuel supply regardless of engine position.
The circulation of cooling water is done by gear wheel pump.
The cooling system does not include a thermostat.