KTM 990 - Manual (Page 86)

TROUBLE SHOOTING
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TROUBLE CAUSE REMEDY
Engine overheats Defect fan or thermoswitch for fan
Air in the cooling system
Thermostat defective
Contact an authorized KTM workshop.
Bleed the cooling system (see Maintenance work)
Have the thermostat checked (opening temperature 75°C,
167°F) or replaced; contact an authorized KTM workshop
FI lamp is blinking / lights up Error in the injection system (see
blink code)
Visit an authorized KTM workshop
ABS warning lamp lights up Driving situation with extremely dif-
ferent wheel speeds
Fuse is blown
ABS sensor is loose or the cable
damaged
ABS sensor wheel is bent
Error in the ABS
Stop, switch off the ignition, start again
Replace the ABS fuses (under the right engine cover)
Replace the ABS OPTIONAL fuse
Check the ABS sensors for a tight fit and the cable for dam-
age, visit an authorized KTM workshop
Visit an authorized KTM workshop
Visit an authorized KTM workshop
Engine stalls while driving No fuel
Fuse for fuel pump has blown
Refuel
Replace fuse FUEL PUMP
High oil consumption Engine oil level too high
Engine oil too thin (viscosity)
Check engine oil level when the engine is warm; correct if
necessary
Use thicker engine oil; see chapter „Engine oil“
Headlight and position light fail Bulb burned out
Blown fuse
Replace bulb
Replace fuse H/L BEAM POSITION.
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