TROUBLESHOOTING 165
Faults Possible cause Action
Engine has no idle. Ignition system defective –
Check the spark plug connector. x
–
Check the ignition coil. x
–
Check the ignition pulse generator. x
–
Check the alternator. x
Engine stalls or is backfiring into the
carburetor.
Lack of fuel – Turn the handle 1 of the fuel tap to ON.
– Fill up with fuel. ( p. 43)
Intake system air leak – Check rubber sleeves and carburetor for tight-
ness.
Loose contact or oxidized connector – Check the electrical system.
– Clean the plug-in connector and treat it with con-
tact spray.
Engine overheats. Coolant level low – Check the cooling system for leakage.
– Check the coolant level. ( p. 138)
Radiator fins excessively dirty – Clean radiator fins.
Foam formation in cooling system –
Drain the coolant. x ( p. 139)
–
Fill coolant/bleed the cooling system. x
( p. 140)
Bent radiator hose –
Change the radiator hose. x
Thermostat defective –
Check the thermostat. x
Radiator fan system faulty –
Check the radiator fan system. x
Engine has a lack of power Fuel supply interrupted – Check the fuel tank breather.
– Clean the fuel tap.
–
Check/adjust the carburetor components. x
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