Yamaha FX10B Owner's Manual page 89

When connecting the jumper cables, do
G
not contact the jumper cables to each
other or to the frame or any metal part of
the snowmobile. This can cause electri-
cal system damage or A FIRE HAZARD.
1. Apply the parking brake and turn the
main switch to the off position.
2. Remove the shroud and the right side
cover. (See page 52 for removal proce-
dures.)
3. Connect the red (+) jumper cable to the
positive (+) terminal of the discharged
battery.
4. Connect the other end of the red (+)
jumper cable to the positive (+) terminal
of the booster battery.
5. Connect the black (–) jumper cable to the
negative (–) terminal of the booster bat-
tery.
6. Connect the other end of the black (–)
jumper cable to the negative (–) terminal
of the discharged battery. NOTICE: Do
not reverse the connections! Make
sure that all connections are secure
and correct before attempting to start
the engine. Any wrong connection
could damage the electrical system.
[ECS00671]
7. Start the engine.
8. Disconnect the black (–) jumper cable
from the negative (–) terminal of the dis-
charged battery.
Troubleshooting
9. Disconnect the black (–) jumper cable
from the negative (–) terminal of the bat-
tery used to jump-start the engine.
10. Disconnect the red (+) jumper cable from
the positive (+) terminal of the battery
used to jump-start the engine.
11. Disconnect the red (+) jumper cable from
the positive (+) terminal of the discharged
battery.
12. Install the right side cover and the shroud.
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 "Fuel system"
G
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 "Fuel system"
G
above.
Malfunctioning T.O.R.S.: See "Electrical
G
system" above.
Engine overheats
Insufficient coolant: Add coolant.
G
83