Troubleshooting
77
Snowmobile does not move
Malfunctioning V-belt clutch: Ask a
Yamaha dealer to check.
Drive track does not move: Foreign object
is caught in drive track, or slide runners
have melted to slide metal due to lack of lu-
brication.
Tight, loose, or broken drive chain: Ask a
Yamaha dealer to check.
V-belt twists
Improper V-belt: Replace with correct V-
belt.
Incorrect V-belt clutch offset: Ask a
Yamaha dealer to check.
Loose or broken engine mount(s): Ask a
Yamaha dealer to check.
V-belt slips or becomes extremely hot
Oily or dirty V-belt or primary and second-
ary sheave assembly surfaces: Clean.
Problem with driveline: See “V-belt twists”
above.
Engine does not upshift or downshift
properly or engages harshly
Worn or damaged V-belt: Replace V-belt or
ask a Yamaha dealer to check.
Incorrect V-belt clutch settings for altitude
or conditions: Ask a Yamaha dealer to
check.
Worn or sticking primary sheave assembly:
Ask a Yamaha dealer to check.
Worn or sticking secondary sheave assem-
bly: Ask a Yamaha dealer to check.
Noise or excessive vibration in drive
chain and sprockets
Broken V-belt clutch components: Ask a
Yamaha dealer to check.
Worn or damaged bearings: Ask a Yamaha
dealer to check.
Worn or damaged V-belt with flat spots:
Replace.
Worn or damaged idler wheels or shafts:
Ask a Yamaha dealer to check.
Worn or damaged drive track: Ask a
Yamaha dealer to check.
U8KWS1E0.book Page 77 Tuesday, May 17, 2016 1:49 PM