Troubleshooting
77
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.
U8JA10E0.book Page 77 Tuesday, May 19, 2009 2:37 PM