Owner`s manual

Troubleshooting
78
2. Air in cooling system: Bleed the cooling
system or ask a Yamaha dealer to in-
spect.
3. Leaking coolant: Ask a Yamaha dealer to
inspect.
Snowmobile does not move
1. Malfunctioning V-belt clutch: Ask a
Yamaha dealer to inspect.
2. Drive track does not move: Foreign ob-
ject is caught in the drive track, or slide
runners have melted to the slide metal
due to lack of lubrication.
3. Tight, loose, or broken drive chain: Ask a
Yamaha dealer to inspect.
V-belt twists
1. Improper V-belt: Replace with the correct
V-belt.
2. Incorrect V-belt clutch offset: Ask a
Yamaha dealer to inspect.
3. Loose or broken engine mount(s): Ask a
Yamaha dealer to inspect.
V-belt slips or becomes extremely hot
1. Oily or dirty V-belt or primary and second-
ary sheave assembly surfaces: Clean.
2. Problem with the driveline: See “V-belt
twists” above.
Engine does not upshift or downshift
properly or engages harshly
1. Worn or damaged V-belt: Replace the V-
belt or ask a Yamaha dealer to inspect.
2. Incorrect V-belt clutch settings for altitude
or conditions: Ask a Yamaha dealer to in-
spect.
3. Worn or sticking primary sheave assem-
bly: Ask a Yamaha dealer to inspect.
4. Worn or sticking secondary sheave as-
sembly: Ask a Yamaha dealer to inspect.
Noise or excessive vibration in drive
chain and sprockets
1. Broken V-belt clutch components: Ask a
Yamaha dealer to inspect.
2. Worn or damaged bearings: Ask a
Yamaha dealer to inspect.
3. Worn or damaged V-belt with flat spots:
Replace.
4. Worn or damaged idler wheels or shafts:
Ask a Yamaha dealer to inspect.
5. Worn or damaged drive track: Ask a
Yamaha dealer to inspect.
U8GK13E0.book Page 78 Wednesday, March 11, 2009 10:54 AM