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Troubleshooting
81
● Leaking coolant: Ask a Yamaha dealer to
inspect.
Snowmobile does not move
● Malfunctioning V-belt clutch: Ask a Yamaha
dealer to inspect.
● Drive track does not move: Foreign object is
caught in the drive track, or slide runners
have melted to the slide metal due to lack of
lubrication.
● Tight, loose, or broken drive chain: Ask a
Yamaha dealer to inspect.
V-belt twists
● Improper V-belt: Replace with the correct V-
belt.
● Incorrect V-belt clutch offset: Ask a Yamaha
dealer to inspect.
● Loose or broken engine mount(s): Ask a
Yamaha dealer to inspect.
V-belt slips or becomes extremely hot
● Oily or dirty V-belt or primary and second-
ary sheave assembly surfaces: Clean.
● Problem with the driveline: See “V-belt
twists” above.
Engine does not upshift or downshift
properly or engages harshly
● Worn or damaged V-belt: Replace the V-
belt or ask a Yamaha dealer to inspect.
● Incorrect V-belt clutch settings for altitude
or conditions: Ask a Yamaha dealer to in-
spect.
● Worn or sticking primary sheave assembly:
Ask a Yamaha dealer to inspect.
● Worn or sticking secondary sheave assem-
bly: Ask a Yamaha dealer to inspect.
Noise or excessive vibration in drive
chain and sprockets
● Broken V-belt clutch components: Ask a
Yamaha dealer to inspect.
● Worn or damaged bearings: Ask a Yamaha
dealer to inspect.
● Worn or damaged V-belt with flat spots: Re-
place.
● Worn or damaged idler wheels or shafts:
Ask a Yamaha dealer to inspect.
● Worn or damaged drive track: Ask a
Yamaha dealer to inspect.
U8FP15E0.book Page 81 Thursday, July 23, 2009 11:01 AM