21 TROUBLESHOOTING
106
Faults
Possible cause
Action
The engine does not turn when
the start button is pressed
Operating error
–
Carry out start procedure. (
12-V battery discharged
–
Charge the 12-V battery.
Fuse
1
,
3
,
4
, or
7
is blown
–
Change the fuses of individual electri-
cal power consumers. (
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. (
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. (
Radiator fins very dirty
–
Clean the radiator fins.
Foam formation in cooling sys-
tem
–
Drain the coolant.
–
Fill/bleed the cooling system.
(
Thermostat defective
–
Check the thermostat.
Fuse
5
blown
–
Change the fuses of individual electri-
cal power consumers. (
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. (
Fuse
1
,
3
,
4
, or
7
is blown
–
Change the fuses of individual electri-
cal power consumers. (
The ABS warning lamp lights
up
ABS fuse blown
–
Change the ABS fuses. (
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. (
Engine oil too thin (low viscos-
ity)
–
Change the engine oil and the oil filter,
clean the oil screens.
Headlight and position light are
not functioning
Fuse
6
blown
–
Change the fuses of individual electri-
cal power consumers. (
Turn signal, brake light, and
horn are not functional
Fuse
4
or
6
blown
–
Change the fuses of individual electri-
cal power consumers. (
Time is not displayed or not
correctly displayed
Fuse
2
is blown
–
Change the fuses of individual electri-
cal power consumers. (
Summary of Contents for F4303U1
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