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Faults
Engine does not speed up
Engine has too little power
The engine dies during the trip
Engine overheats
Possible cause
Faulty ignition
Ambient pressure is incorrectly
stored
Air filter very dirty
Fuel filter is very dirty
Fuel screen is very dirty
Malfunction in the electronic
fuel injection
Fuel supply interrupted
Exhaust system leaky,
deformed or too little glass
fiber yarn filling in main
silencer
Faulty ignition
Diaphragm or reed valve hous-
ing damaged
Ambient pressure is incorrectly
stored
Lack of fuel
The engine takes in false air
The connector or ignition coil is
loose or oxidized
Ambient pressure is incorrectly
stored
Too little coolant in cooling sys-
tem
Too little air stream
Radiator fins very dirty
Foam formation in cooling sys-
tem
Damaged cylinder head or
cylinder head gasket
Bent radiator hose
Thermostat defective
TROUBLESHOOTING 21
Action
–
Ignition coil - check the primary wind-
ing.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
–
Program ambient air pressure.
(
p. 138)
–
Clean the air filter and air filter box.
(
p. 81)
–
Change the fuel filter.
–
Change the fuel screen.
–
Check wiring for damage and electrical
plug-in connectors for corrosion and
damage.
–
Read out the fault memory using the
KTM diagnostics tool.
–
Check the fuel tank breather.
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling of
the main silencer.
(
–
Ignition coil - check the primary wind-
ing.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
–
Check the diaphragm and reed valve
housing.
–
Program ambient air pressure.
(
p. 138)
–
Refuel. (
p. 48)
–
Check that the intake flange is firmly
seated.
–
Clean the connector and treat it with
contact spray.
–
Program ambient air pressure.
(
p. 138)
–
Check the cooling system for leakage.
–
Check the coolant level. (
–
Switch off engine when stationary.
–
Clean the radiator fins.
–
Drain the coolant.
(
–
Refill with coolant.
(
–
Check the cylinder head and cylinder
head gasket.
–
Change the radiator hose.
–
Check the thermostat.
Guideline
Opening temperature: 70 °C (158 °F)
(
p. 141)
p. 83)
p. 130)
p. 130)
p. 131)
155
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