Air Intake Hose Check; Throttle Valve Lubrication - Yamaha Waverunner VXS VX1800 Service Manual

4. Start the engine. Immediately after the en-
gine has started, supply water.
Do not run the engine over 4000 r/min on
land. Also, do not run the engine for more
than 15 seconds without supplying water,
otherwise the engine could overheat.
5. While squeezing the RiDE lever fully, posi-
tion the reverse gate "1" so that it contacts
the R position stopper "a".
6. Stop supplying water, and then stop the
engine.
7. If the reverse gate does not contact the re-
verse gate stopper at either of the F posi-
tion or R position, connect the YDIS to
conduct "Initial learning". See the YDIS In-
struction Manual.
8. Disconnect the shift rod joint "1", and then
lower the reverse gate "2".
2
1
9. Disconnect the shift rod joint and apply a
small amount of grease.
a
1
Recommended lubricant
YAMALUBE MARINE GREASE
10. Check the shift rod for rod end disconnec-
tion and check the locknut for looseness.
11. Connect the shift rod joint to the shift arm.
12. Rise the reverse gate "1", and then con-
nect the shift rod joint "2".
2

Air intake hose check

1. Check the air intake hoses and hose con-
nections for intake air leakage.
2. Check the air intake hoses. Replace if
cracked or damaged.
3. Check the air intake hose routing and the
clamps.

Throttle valve lubrication

1. Loosen the air intake pipe clamp "1", and
then disconnect the air intake pipe "2".
3-9
Periodic service
1