KTM 890 Duke R US 2020 Operator's Manual page 275

Faults
Engine has too little power
Engine overheats
Malfunction indicator lamp
lights up or flashes
Possible cause
Air filter is very dirty
Fuel filter is very dirty
Malfunction in the electronic
fuel injection
Too little coolant in cooling sys-
tem
Radiator fins very dirty
Foam formation in cooling sys-
tem
Buckled or damaged radiator
hose
Thermostat is faulty
Fuse 4 blown
Defect in radiator fan system
Malfunction in the electronic
fuel injection
TROUBLESHOOTING 22
Action
–
Remove the air filter.
–
Install the air filter.
–
Check the fuel pressure.
–
Read out the fault memory using the
KTM diagnostics tool.
–
Check the cooling system for leakage.
–
Check coolant level in the compensat-
ing tank. ( p. 242)
–
Clean radiator fins.
–
Drain the coolant. (
–
Fill/bleed the cooling system.
( p. 246)
–
Change the radiator hose.
–
Check the thermostat.
–
Change the fuses of individual power
consumers. ( p. 226)
–
Check the radiator fan system.
–
Read out the fault memory using the
KTM diagnostics tool.
p. 244)
273