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B. Engine does not turn over with the
recoil starter
1. Seized engine ... Seizure is caused by
poor lubrication, inadequate fuel, or an
air leak—Ask a Yamaha dealer to
inspect.
2. “Hydrolock” occurs when fuel has filled
the crankcase when the vehicle has
been transported. ... Remove the spark
plugs and turn the engine over several
times with the ignition off to expel
excess fuel. Ask a Yamaha dealer to
inspect.
C. Electric starter does not operate or
operates slowly
For VT600 / VX600ER
1. Faulty wire connections ... Check con-
nections or ask a Yamaha dealer to
inspect.
2. Discharged battery... Check battery
fluid and charge battery.
3. Engine trouble ... Check B above.
D. Engine power is low
1. Faulty spark plugs ... Clean or replace
the spark plugs.
2. Incorrect jetting for altitude or tempera-
ture ... Carburetor. Ask a Yamaha
dealer to inspect.
3. Improper fuel flow ... See A.1. above.
4. Incorrect V-belt clutch settings for alti-
tude or conditions ... Ask a Yamaha
dealer to inspect.
E. Engine constantly backfires or mis-
fires
1. Faulty spark plugs ... Replace the
spark plugs.
2. Clogged fuel system ... See A.1. above.
3. Malfunctioning T.O.R.S. system ... See
A.2. above.
F. Engine overheats
1. Insufficient coolant ... Add coolant.
2. Air in cooling system ... Bleed air or ask
a Yamaha dealer to inspect.
3. Leaking coolant ... Ask a Yamaha
dealer to inspect.
G. Snowmobile does not move
1. Malfunctioning V-belt clutch ... Ask a
Yamaha dealer to inspect.
2. Drive track does not move ... Foreign
object is caught in the drive track, or
slide runners have melted to the slide
metal due to lack of lubrication.
3. Tight, loose, or broken drive chain ...
Ask a Yamaha dealer to inspect.
H. V-belt twists
1. Improper V-belt ... Replace with the
correct V-belt.
2. Incorrect V-belt clutch offset ... Ask a
Yamaha dealer to inspect.
3. Loose or broken engine mount ... Ask a
Yamaha dealer to inspect.
I. V-belt slips or burns
1. Oily or dirty V-belt or primary and sec-
ondary sheave assembly surfaces ...
Clean.
2. Problem with the driveline ... See H
above.
E_8DG.book Page 2 Friday, June 29, 2001 4:20 PM