21 TROUBLESHOOTING
156
Faults
Possible cause
Action
Engine overheats
Damaged cylinder head or
cylinder head gasket
–
Check the cylinder head and cylinder
head gasket.
Bent radiator hose
–
Change the radiator hose.
Thermostat defective
–
Check the thermostat.
Guideline
Opening temperature: 70 °C (158 °F)
White smoke emission (steam
in exhaust gas)
Damaged cylinder head or
cylinder head gasket
–
Check the cylinder head and cylinder
head gasket.
Gear oil exits at the vent hose
Too much gear oil added
–
Check the gear oil level. (
Water in the gear oil
Damaged shaft seal ring or
water pump
–
Check the shaft seal ring and water
pump.
Malfunction indicator lamp
lights up or flashes
Defect in the fuel injection sys-
tem
–
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.
12-V battery discharged
The 12-V battery is not being
charged by the alternator
–
Check the charging voltage.
–
Check the stator winding of the alter-
nator.
Unwanted power consumer
–
Check the open-circuit current.
Values in combination
instrument deleted (time, stop
watch, lap times)
The combination instrument
battery is empty
–
Change combination instrument bat-
tery. (