Troubleshooting – KTM Supermoto 690 User Manual
Page 129

TROUBLESHOOTING
127
Faults
Possible cause
Measure
Engine has too little power.
Fuel filter very dirty
ದ
Have the fuel filter changed.
Defect in fuel injection system
ದ
Read the error memory with the KTM
diagnostics tool and correct the fault.
Engine overheats.
Too little coolant in cooling system
ದ
Check the cooling system for leakage.
ದ
Check the coolant level. (
P. 109)
Radiator fins very dirty
ದ
Clean radiator fins.
Foam formation in cooling system
ದ
Drain the coolant.
b
x
(
P. 110)
ದ
Fill/bleed the cooling system.
b
x
(
P. 111)
Buckled or damaged radiator hose
ದ
Have the radiator hose changed.
Thermostat defective
ದ
Have thermostat removed and checked.
Specification
Opening temperature: 70
b°C (158b°F)
Fuse
b5 blown
ದ
Change the fuses of individual power
consumers. (
P. 97)
Defect in radiator fan system
ದ
Have the radiator fan system checked.
Air in cooling system
ದ
Fill/bleed the cooling system.
b
x
(
P. 111)
FI
bwarning lamp (MIL) lights/flashes
Defect in fuel injection system
ದ
Read the error memory with the KTM
diagnostics tool and correct the fault.
Engine dies during the journey
Lack of fuel
ದ
Fill up with fuel. (
P. 51)
Fuse
b1,b2 orb4 blown
ದ
Change the fuses of individual power
consumers. (
P. 97)
High oil consumption
Engine vent hose bent
ದ
Route the vent hose without bends or
replace it if necessary.