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Troubleshooting
117
↓
• Worn or damaged gasket:
Replace gasket.
↓
• Worn or damaged piston and cylin-
der:
Ask a Yamaha dealer to check.
Discharged battery
If the battery is discharged, the engine can be
started using a fully-charged 12-volt battery
and jumper cables. Two connecting leads
have been provided for jump-starting the
snowmobile. Due to the rubber engine mount-
ing, the snowmobile frame is not a suitable
grounding point for jump-starting the engine.
WARNING
EWS00570
● Connect the jumper cables only to the
connecting lead terminals. Do not con-
nect them to the frame or any wire or
other lead.
● When connecting the jumper cables, do
not contact the jumper cables or con-
necting lead terminals to each other or
to the frame or any metal part of the
snowmobile. This can cause electrical
system damage or A FIRE HAZARD.
● Be sure to pull the lead covers back over
the terminals completely. If the termi-
nals are exposed, they could come into
contact with the frame or a metal part of
the snowmobile and this can cause elec-
trical system damage or A FIRE HAZ-
ARD.
NOTICE
ECS00650
Use the connecting leads to jump-start the
snowmobile only. Do not use the connect-
ing leads for any other purpose.
To start the engine using the booster battery
1. Apply the parking brake and turn the key
to the off position.
2. Remove the shroud and the right side
cover (RS90GT / RS90LTGT /
RST90GT), or open the shroud (RST90).
[See page 63 (RS90GT / RS90LTGT /
RST90GT) or page 67 (RST90) for the
procedures.]
3. Remove the red (+) connecting lead from
the lead holder and move it away from
the black (–) connecting lead. NOTICE:
Be sure to connect the red (+) jumper
cable to the red (+) connecting lead
and the black (–) jumper cable to the
black (–) connecting lead. Do not re-
verse the connections.
[ECS00661]
4. Pull the red (+) connecting lead cover to
expose the terminal through the slit in the
cover, and then connect the red (+) jump-
er cable to the red (+) connecting lead.
U8JA11E0.book Page 117 Monday, June 14, 2010 10:22 AM