Operation Manual

21 TROUBLESHOOTING 170
Faults Possible cause Action
Engine overheats Defect in radiator fan system – Check the radiator fan system.
The engine diagnosis warning
lamp (MIL) lights up red
Defect in fuel injection system – Read out the fault memory using the KTM diag-
nostics tool.
Engine dies during the trip Lack of fuel – Refuel. ( p. 70)
Fuse 1, 3, 4, or 7 is blown – Change the fuses of individual power consumers.
( p. 136)
The ABS warning lamp lights up
(RC 125)
ABS fuse is blown – Change the ABS fuses. ( p. 134)
Large difference in wheel speeds of the
front and rear wheels
– Stop the vehicle, switch off the ignition, and
start it again.
Malfunction in ABS – Read out the ABS 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. 158)
Engine oil too thin (low viscosity) – Change the engine oil and oil filter, clean the oil
screen. ( p. 158)
Headlight and parking light are not
functioning
Fuse 6 blown – Change the fuses of individual power consumers.
( p. 136)
Turn signal, brake light, and horn are
not functional
Fuse 6 blown – Change the fuses of individual power consumers.
( p. 136)
Time is not (correctly) displayed Fuse 7 is blown (RC 125) – Change the fuses of individual power consumers.
( p. 136)
– Set the clock. ( p. 53)
Battery discharged Ignition not switched off when vehicle
was parked
– Recharge the battery. ( p. 131)