KTM 250 EXC TPI 2018 Owner's Manual page 153

Faults
Engine does not speed up
Engine has too little power
The engine dies during the trip
Engine overheats
Possible cause
Defect in the fuel injection sys-
tem
Faulty ignition
Ambient pressure is incorrectly
stored
Air filter very dirty
Fuel filter is very dirty
Fuel screen is very dirty
Defect in the fuel injection sys-
tem
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
21 TROUBLESHOOTING
Action
–
Check the cabling for damage and the
electrical plug-in connections for corro-
sion and damage.
–
Read out the fault memory using the
KTM diagnostics tool.
–
Ignition coil - check the primary wind-
ing.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
–
Program ambient pressure. (
–
Clean the air filter and air filter box.
( p. 82)
–
Change the fuel filter.
–
Change the fuel screen.
–
Check the cabling for damage and the
electrical plug-in connections for corro-
sion and damage.
–
Read out the fault memory using the
KTM diagnostics tool.
–
Check the fuel tank breather.
–
Check exhaust system for damage.
–
Change glass fiber yarn filling in the
main silencer. ( p. 84)
–
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 pressure. (
–
Refuel. ( p. 49)
–
Check that the intake flange is firmly
seated.
–
Clean the connector and treat it with
contact spray.
–
Program ambient pressure. (
–
Check the cooling system for leakage.
–
Check the coolant level. (
–
Switch off engine when stationary.
–
Clean the radiator fins.
p. 137)
( p. 140)
p. 137)
p. 137)
p. 130)
151