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TROUBLESHOOTING
Faults
Engine turns but does not start.
Engine has no idle.
Engine does not speed up.
Engine has too little power.
Engine stalls or is popping into the carbu-
retor.
Engine overheats.
High oil consumption
Battery discharged
Speedometer values deleted (time, stop
watch, lap times)
Possible cause
Water in carburetor or jets blocked
Idling jet blocked
Adjusting screws on carburetor distorted
Spark plug defective
Ignition system defective
Carburetor running over because float
needle dirty or worn.
Loose carburetor jets
Electronic ignition adjustment defective
Fuel feed interrupted
Air filter very dirty
Exhaust system leaky, deformed or too
little glass fiber yarn filling in main si-
lencer.
Valve clearance too little
Electronic ignition adjustment defective
Lack of fuel
Engine takes in bad air
Too little coolant in cooling system
Too little air stream
Radiator fins very dirty
Foam formation in cooling system
Bent radiator hose
Thermostat defective
Defect in radiator fan system
(EXC-R SIX DAYS, XCR-W ZA)
Engine vent hose bent
Engine oil level too high
Engine oil too thin (low viscosity)
Battery is not charged by generator
The battery in the speedometer ist empty.
Measure
Clean carburetor.
Clean carburetor.
Have the carburetor adjusted.
Change spark plug.
Have ignition system checked.
Have carburetor checked.
Have carburetor checked.
Have ignition system checked.
Check tank vent.
Clean fuel tap.
Clean carburetor.
Clean the air filter. (
P. 27)
Check exhaust system for damage.
Change glass fiber yarn filling of main
silencer.
Have valve clearance adjusted.
Have ignition system checked.
Clean and check the fuel system and
carburetor.
Check rubber sleeves and carburetor
for tightness.
Check the cooling system for leakage.
Check the coolant level. (
Switch off engine when standing.
Clean radiator fins.
Drain the coolant. (
P. 133)
Refill the coolant. (
P. 133)
Replace the radiator hose.
Have thermostat removed and checked.
Specification
Opening temperature: 70 °C (158 °F)
Have the radiator fan system checked.
Route the vent hose without bends or
replace it if necessary.
Check the engine oil level. (
Change the engine oil and oil filter
and clean the engine oil screen.
(
P. 135)
Check electrical system.
Change the battery in the speedometer.
141
P. 132)
P. 134)
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