Yamaha PZ50FXW Owner's Manual page 92

CAUTION :
@
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.
@
7. Start the engine.
8. Disconnect the black (-) jumper cable
from the negative (-) terminal of the dis-
charged battery.
9. Disconnect the black (-) jumper cable
from the negative (-) terminal of the
booster battery.
10. Disconnect the red (+) jumper cable
from the positive (+) terminal of the
booster battery.
11. Disconnect the red (+) jumper cable
from the positive (+) terminal of the dis-
charged battery.
12. Install the right side cover.
C. Electric starter does not operate or
operates slowly
1. Engine stop switch is pushed in ... Pull
it out.
2. Faulty wire connections ... Check con-
nections or ask a Yamaha dealer to
inspect.
3. Discharged battery... Charge battery or
see B above.
4. Seized engine ... Seizure is caused by
poor lubrication, inadequate fuel, or an
air leak—Ask a Yamaha dealer to
inspect.
D. Engine power is low
1. Low coolant temperature indicator light
is flashing ... Warm the engine up.
2. Faulty spark plugs ... Clean or replace
the spark plugs.
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. ... See A.2.
above.
F. Engine overheats
1. Insufficient coolant ... Add coolant.
2. Air in cooling system ... Bleed the cool-
ing system or ask a Yamaha dealer to
inspect.
3. Leaking coolant ... Ask a Yamaha
dealer to inspect.
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