Troubleshooting 21 - KTM 125 Duke 2018 Owner's Manual

Faults
Engine does not crank when
the electric starter button is
pressed
Engine turns only if the clutch
lever is drawn
Engine turns but does not start
Engine has too little power
Engine overheats
Possible cause
Operating error
Battery discharged
Fuse 1, 3, 4, or 7 is blown
No ground connection present
The vehicle is in gear
The vehicle is in gear and the
side stand is folded out
Operating error
Fault in fuel injection system
Air filter is very dirty
Fuel filter is very dirty
Fault in fuel injection system
Too little coolant in cooling sys-
tem
Radiator fins very dirty

TROUBLESHOOTING 21

Action
–
Carry out the start procedure.
( p. 87)
–
Recharge the battery. (
–
Change the fuses of individual power
consumers. ( p. 171)
–
Check the ground connection.
–
Shift gear to neutral.
–
Shift gear to neutral.
–
Carry out the start procedure.
( p. 87)
–
Read out the fault memory using the
KTM diagnostics tool.
–
Change the air filter.
–
Check the fuel pressure.
–
Read out the fault memory using the
KTM diagnostics tool.
–
Check the cooling system for leakage.
–
Check the coolant level. (
–
Clean the radiator fins.
p. 165)
p. 182)
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