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TROUBLESHOOTING
Faults
Engine does not speed up.
Engine has no idle.
Engine stalls or is popping into the carbu-
retor.
Engine overheats.
Possible cause
Electronic ignition adjustment defective
Idling jet blocked
Adjusting screws on carburetor distorted
Spark plug defective
Ignition system defective
Lack of fuel
Engine takes in bad air
Loose contact or oxidized connector
Too little coolant in cooling system
Radiator fins very dirty
Foam formation in cooling system
Bent radiator hose
Thermostat defective
Defect in radiator fan system
Action
–
Have ignition system checked.
–
Clean carburetor.
–
Have the carburetor adjusted.
–
Change spark plug.
–
Have ignition system checked.
–
Clean and check the fuel system and
carburetor.
–
Check rubber sleeves and carburetor for
tightness.
–
Check electrical system.
–
Clean socket connector and treat it with
contact spray.
–
Check the cooling system for leakage.
–
Check the coolant level. (
–
Clean radiator fins.
–
Drain the coolant.
x
(
–
Fill coolant/bleed cooling system.
(
p. 156)
–
Replace the radiator hose.
–
Have thermostat removed and checked.
Guideline
Opening temperature: 70 °C (158 °F)
–
Have the radiator fan system checked.
175
p. 152)
p. 153)
x
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- Checking Engine Oil Level
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