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TROUBLESHOOTING
Faults
Engine does not speed up
Engine has no idle.
Engine stalls or is backfiring into the
carburetor.
Engine overheats.
Possible cause
Ignition system defective
Idling jet blocked
Adjusting screws on carburetor dis-
torted
Spark plug defective
Ignition system defective
Lack of fuel
Intake system air leak
Loose contact or oxidized connector
Coolant level low
Action
–
Check the spark plug connector.
–
Check the ignition coil.
x
–
Check the ignition pulse generator.
–
Check the alternator.
x
–
Check the CDI controller.
–
Check/adjust the carburetor components.
–
Carburetor - adjust the idle speed.
(
p. 167)
–
Change spark plug.
–
Check the spark plug connector.
–
Check the ignition coil.
x
–
Check the ignition pulse generator.
–
Check the alternator.
x
–
Check the CDI controller.
–
Turn the handle
of the fuel tap to ON.
(Figure 100013-10
p. 42)
–
Fill up with fuel. (
p. 64)
–
Check rubber sleeves and carburetor for tight-
ness.
–
Check the electrical system.
–
Clean the plug-in connector and treat it with con-
tact spray.
–
Check the cooling system for leakage.
–
Check the coolant level. (
188
x
x
x
x
x
x
x
x
p. 160)
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