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Make sure that both the red (+) connecting
lead and the black (–) connecting lead are
seated securely in the lead holders.
Electric starter does not operate or
operates slowly
Engine stop switch is pushed in: Pull it out.
G
Faulty wire connections: Check connec-
G
tions or ask a Yamaha dealer to inspect.
Discharged battery: Charge battery or see
G
"Discharged battery" above.
Seized engine: Seizure is caused by poor
G
lubrication, inadequate fuel, or an air leak.
Ask a Yamaha dealer to inspect.
Engine power is low
Low coolant temperature indicator light is
G
flashing: Warm the engine up.
Faulty spark plugs: Clean or replace the
G
spark plugs.
Improper fuel flow: See "Engine turns over
G
but does not start–Fuel system" above.
Incorrect V-belt clutch settings for altitude
G
or conditions: Ask a Yamaha dealer to in-
spect.
Engine constantly backfires or mis-
fires
Faulty spark plugs: Replace the spark
G
plugs.
Clogged fuel system: See "Engine turns
G
over but does not start–Fuel system"
above.
Malfunctioning T.O.R.S.: See "Engine turns
G
over but does not start–Electrical system"
above.
Engine overheats
Insufficient coolant: Add coolant.
G
Air in cooling system: Bleed the cooling sys-
G
tem or ask a Yamaha dealer to inspect.
Troubleshooting
Leaking coolant: Ask a Yamaha dealer to
G
inspect.
Snowmobile does not move
Malfunctioning V-belt clutch: Ask a Yamaha
G
dealer to inspect.
Drive track does not move: Foreign object is
G
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
G
Yamaha dealer to inspect.
V-belt twists
Improper V-belt: Replace with the correct V-
G
belt.
Incorrect V-belt clutch offset: Ask a Yamaha
G
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-
G
ary sheave assembly surfaces: Clean.
Problem with the driveline: See "V-belt
G
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
G
or conditions: Ask a Yamaha dealer to in-
spect.
Worn or sticking primary sheave assembly:
G
Ask a Yamaha dealer to inspect.
Worn or sticking secondary sheave assem-
G
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.
85
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