KTM 450 Rally Factory Replica 2021 Owner's Manual page 133

Faults
Engine has too little power
The engine dies during the trip
Engine overheats
FI warning lamp (MIL) lights
up/flashes
High oil consumption
12-V battery discharged
Combination instrument values
deleted (time, stop watch, lap
times)
The turn signal and the combi-
nation instrument are not work-
ing
The brake light is not working
Possible cause
Faulty ignition system
Lack of fuel
Too little coolant in cooling sys-
tem
Too little air stream
Radiator fins very dirty
Foam formation in cooling sys-
tem
Bent radiator hose
Thermostat defective
Defect in radiator fan system
Error in the electronic fuel
injection
Engine vent hose bent
The engine oil level is too high
The engine oil is too thin (low
viscosity)
Piston and cylinder worn
The 12-V battery is not being
charged by the alternator
Unwanted electrical power con-
sumer
The combination instrument
battery is empty
Fuse 1 is blown
Fuse 5 is blown
TROUBLESHOOTING 21
Action
–
Ignition coil - check the secondary
winding.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
–
Fill up with fuel. ( p. 40)
–
Check the cooling system for leaks.
–
Check the coolant level. (
–
Switch off the engine when standing.
–
Clean the radiator fins.
–
Drain the coolant. (
–
Refill with coolant. (
–
Change the radiator hose.
–
Check the thermostat.
–
Check fuse 7.
–
Check the radiator fan.
–
Stop motorcycle and identify faulty
component using the blink code.
Info
See blink code
–
Check cabling for damage and electri-
cal plug-in connections for corrosion
and damage.
–
Read out fault memory using the KTM
diagnostics tool.
–
Route the vent hose without bends or
change it if necessary.
–
Check the engine oil level. (
–
Change the engine oil and the oil filter,
clean the oil screens. (
–
Measure the piston/cylinder mounting
clearance.
–
Check charging voltage.
–
Check the stator winding of the alter-
nator.
–
Check the open-circuit current.
–
Change combination instrument bat-
tery.
–
Change the fuses of individual electri-
cal power consumers. (
–
Change the fuses of individual electri-
cal power consumers. (
p. 114)
p. 114)
p. 115)
p. 121)
p. 121)
p. 111)
p. 111)
131