TROUBLESHOOTING 21
97
Faults Possible cause Action
The engine does not turn when
the start button is pressed
Operating error – Carry out start procedure. ( p. 37)
12-V battery discharged –
Charge the 12-V battery. ( p. 74)
Fuse 1, 3, 4, or 8 is blown – Change the fuses of individual electri-
cal power consumers. ( p. 77)
No ground connection present – Check the ground connection.
Engine turns only if the clutch
lever is drawn
The vehicle is in gear – Shift the transmission into neutral.
The vehicle is in gear and the
side stand is folded out
– Shift the transmission into neutral.
Engine turns but does not start Operating error – Carry out start procedure. ( p. 37)
Malfunction in the electronic
fuel injection
– Read out the fault memory using the
KTM diagnostics tool.
Engine has too little power Air filter is very dirty – Change the air filter.
Fuel filter is very dirty – Check the fuel pressure.
Malfunction in the electronic
fuel injection
– Read out the fault memory using the
KTM diagnostics tool.
Engine overheats Too little coolant in cooling sys-
tem
– Check the cooling system for leakage.
– Check the coolant level. ( p. 81)
Radiator fins very dirty – Clean the radiator fins.
Foam formation in cooling sys-
tem
– Drain the coolant. ( p. 83)
– Fill/bleed the cooling system.
( p. 84)
Thermostat defective – Check the thermostat.
Fuse 5 blown – Change the fuses of individual electri-
cal power consumers. ( p. 77)
Defect in radiator fan system – Check the radiator fan system.
Malfunction indicator lamp
lights up yellow
Malfunction in the electronic
fuel injection
– Read out the fault memory using the
KTM diagnostics tool.
Engine dies during the trip Lack of fuel – Refuel. ( p. 43)
Fuse 1, 3, 4, or 8 is blown – Change the fuses of individual electri-
cal power consumers. ( p. 77)
The ABS warning lamp lights
up
ABS fuse blown – Change the ABS fuses. ( p. 75)
Large difference in wheel
speeds of the front and rear
wheels
– Stop the vehicle, switch off the igni-
tion, and start it again.
Malfunction in ABS – Read out the fault memory using the
KTM diagnostics tool.
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. 90)
Engine oil too thin (low viscos-
ity)
– Change the engine oil and oil filter,
clean the oil screen. ( p. 90)
Headlight and position light are
not functioning
Fuse 6 blown – Change the fuses of individual electri-
cal power consumers. ( p. 77)
Turn signal, brake light, and
horn are not functional
Fuse 6 blown – Change the fuses of individual electri-
cal power consumers. ( p. 77)
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