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TROUBLESHOOTING
Faults
Engine has no idle.
Engine stalls or is backfiring into the
carburetor.
Engine overheats.
Engine has a lack of power
Possible cause
Ignition system defective
Lack of fuel
Intake system air leak
Loose contact or oxidized connector
Coolant level low
Radiator fins excessively dirty
Foam formation in cooling system
Bent radiator hose
Thermostat defective
Radiator fan system faulty
Fuel supply interrupted
Action
–
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.
–
Fill up with fuel. (
p. 43)
–
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. (
–
Clean radiator fins.
–
Drain the coolant.
(
x
–
Fill coolant/bleed the cooling system.
(
p. 138)
–
Change the radiator hose.
–
Check the thermostat.
x
–
Check the radiator fan system.
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/adjust the carburetor components.
154
x
x
x
p. 136)
p. 137)
x
x
x
x
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