TROUBLESHOOTING 20
227
Faults Possible cause Action
Engine turns but does not start. Throttle opened while starting – When starting, DO NOT open the throt-
tle
– Carry out the start procedure.
( p. 57)
Engine has too little power. Air filter is very dirty – Remove the air filter. ( p. 103)
– Install the air filter. ( p. 104)
Fuel screen is very dirty – Change fuel screen.
Fuel filter is very dirty – Check the fuel pressure.
Defect in fuel injection system – Read out the fault memory using the
KTM diagnostics tool.
Map‑Select switch incorrectly
adjusted
– Adjust the engine characteristic.
( p. 203)
Engine overheats. Too little coolant in cooling sys-
tem
– Check the cooling system for leakage.
– Check the coolant level. ( p. 193)
Radiator fins very dirty – Clean radiator fins.
Foam formation in cooling sys-
tem
– Drain the coolant. ( p. 195)
– Fill/bleed the cooling system.
( p. 197)
Buckled or damaged radiator
hose
– Change the radiator hose.
Thermostat is faulty – Check the thermostat.