TROUBLESHOOTING
135
Faults
Possible cause
Action
Engine has too little power.
Defect in fuel injection system
–
Read the error memory with the KTM diagnostics
tool and correct the fault.
Engine overheats.
Too little coolant in cooling system
–
Check the cooling system for leakage.
–
Check the coolant level. (
p. 118)
Radiator fins very dirty
–
Clean radiator fins.
Foam formation in cooling system
–
Drain the coolant.
x
(
p. 119)
–
Fill/bleed the cooling system.
x
(
p. 120)
Buckled or damaged radiator hose
–
Have the radiator hose changed.
Thermostat defective
–
Have thermostat checked.
Fuse
5
blown
–
Change the fuses of power consumers. (
p. 96)
Defect in radiator fan system
–
Have the radiator fan system checked.
Air in cooling system
–
Fill/bleed the cooling system.
x
(
p. 120)
FI
warning lamp (
MIL
) lights/flashes
Defect in fuel injection system
–
Read the error memory with the KTM diagnostics
tool and correct the fault.
Engine dies during the journey
Lack of fuel
–
Refuel. (
p. 51)
Fuse
1
,
2
or
4
blown
–
Change the fuses of power consumers. (
p. 96)
High oil consumption
Engine vent hose bent
–
Route the vent hose without bends or change it if
necessary.
Engine oil level too high
–
Check the engine oil level. (
p. 125)
Engine oil too thin (low viscosity)
–
Change the engine oil and filter, clean the oil
screens.
x
(
p. 126)
Headlight and parking light not func-
tioning
Fuse
7
blown
–
Change the fuses of power consumers. (
p. 96)
Flasher light, brake light and horn not
functioning
Fuse
6
blown
–
Change the fuses of power consumers. (
p. 96)
