Yamaha Vector RS90RX Owner's Manual page 77

Incorrect V-belt clutch offset: Ask a Yamaha
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dealer to inspect.
Loose or broken engine mount(s): Ask a
G
Yamaha dealer to inspect.
V-belt slips or becomes extremely hot
Oily or dirty V-belt or primary and second-
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ary sheave assembly surfaces: Clean.
Problem with the driveline: See "V-belt
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twists" above.
Engine does not upshift or downshift
properly or engages harshly
Worn or damaged V-belt: Replace the V-
G
belt or ask a Yamaha dealer to inspect.
Incorrect V-belt clutch settings for altitude
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or conditions: Ask a Yamaha dealer to in-
spect.
Worn or sticking primary sheave assembly:
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Ask a Yamaha dealer to inspect.
Worn or sticking secondary sheave assem-
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bly: Ask a Yamaha dealer to inspect.
Noise or excessive vibration in drive
chain and sprockets
Broken V-belt clutch components: Ask a
G
Yamaha dealer to inspect.
Worn or damaged bearings: Ask a Yamaha
G
dealer to inspect.
Worn or damaged V-belt with flat spots: Re-
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place.
Worn or damaged idler wheels or shafts:
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Ask a Yamaha dealer to inspect.
Worn or damaged drive track: Ask a
G
Yamaha dealer to inspect.
Troubleshooting
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