Yamaha FX Nytro FX10D Owner's Manual page 103

Air in cooling system: Bleed the cooling sys-
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tem or ask a Yamaha dealer to inspect.
Leaking coolant: Ask a Yamaha dealer to
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inspect.
Snowmobile does not move
Malfunctioning V-belt clutch: Ask a Yamaha
●
dealer to inspect.
Drive track does not move: Foreign object is
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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-
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belt.
Incorrect V-belt clutch offset: Ask a Yamaha
●
dealer to inspect.
Loose or broken engine mount(s): Ask a
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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-
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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:
●
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
●
Yamaha dealer to inspect.
Troubleshooting
Worn or damaged bearings: Ask a Yamaha
●
dealer to inspect.
Worn or damaged V-belt with flat spots: Re-
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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.
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