KTM 990 Supermoto R USA 2010, Owner'S Manual

Page: 184 / 220

TROUBLESHOOTING
182
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 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. 147)
Radiator fins very dirty
–
Clean radiator fins.
Foam formation in cooling system
–
Drain the coolant.
x
( p. 150)
–
Fill/bleed the cooling system. x ( p. 151)
Buckled or damaged radiator hose
–
Change the radiator hose. x
Fuse FAN blown
–
Change the fuses of individual power consumers.
( p. 123)
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. 151)
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. 70)
IGNITION, FUEL PUMP , or POWER RELAY
fuse blown
–
Change the fuses of individual power consumers.
( p. 123)
High oil consumption Engine oil level too high
–
Check the engine oil level. ( p. 162)