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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: 70b°C (158b°F)
Fuseb5 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)
FIbwarning 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)
Fuseb1,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.