BLEEDING THE OIL INJECTION PUMP
•
To bleed, loosen the air bleeding screw on the oil injection pump. Oil will flow into
the oil injection pump.
•
Hold a rag under the screw hole to catch oil as it spills out. Keep letting oil run out
until there are no bubbles in the oil.
•
Tighten the screw firmly and wipe up any spilled oil completely.
1.
Air bleeding screw.
CARBURETTOR ADJUSTMENT
•
The carburettor is a vital part of the engine and requires very sophisticated
adjustment. Most adjusting should be left to your dealer who has the professional
knowledge and experience to do so.
•
However, the following point may be serviced by the owner as part of the
maintenance routine.
•
Idling speed; Place the Jet boat in the water, start the engine and warm it up for
one or two minutes.
•
By turning the throttle stop screw by hand, adjust he engine speed to specification.
Turning the throttle stop screw clockwise increases the engine speed and turning it
counter-clockwise decreases the engine speed.
•
Idle Speed: 1,200 - 1,300 r.p.m.
1. Throttle stop screw.
CAUTION
The carburettor was set at the Yamaha factory after many
tests. If the settings are disturbed without having technical
knowledge, poor engine performance and damage may result.
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