TROUBLESHOOTING 179
Faults Possible cause Action
Engine has too little power Air filter very dirty –
Change the air filter. x
Defect in fuel injection system – Read out the fault memory using the KTM diag-
nostics tool. x
Ignition curve for low octane fuel acti-
vated
– Refuel with fuel with an octane rating of 95 or
higher.
– Connect the plug-in connector.
Engine overheats Too little coolant in cooling system –
Check the cooling system for leaks. x
– Check the antifreeze and coolant level.
( p. 153)
Radiator fins very dirty – Clean radiator fins.
Foam formation in cooling system –
Drain the coolant. x ( p. 157)
–
Fill/bleed the cooling system. x ( p. 158)
Buckled or damaged radiator hose –
Change the radiator hose. x
Fuse 4 blown – Change the fuses of individual power consumers.
( p. 130)
Thermostat defective –
Check the thermostat. x
Defect in radiator fan system –
Check the radiator fan system. x
Air in cooling system –
Fill/bleed the cooling system. x ( p. 158)
Warning lamp FI (MIL) lights up/flashes Defect in fuel injection system – Read out the fault memory using the KTM diag-
nostics tool. x
Engine dies during a trip Lack of fuel – Refuel. ( p. 66)
1, or 5 fuse blown – Change the fuses of individual power consumers.
( p. 130)
The ABS warning lamp lights up ABS fuse is blown – Change the ABS fuses. ( p. 129)
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