Troubleshooting – KTM 990 SUPER DUKE User Manual
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TROUBLESHOOTING
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74
TROUBLE
CAUSE
REMEDY
Engine overheats
Blown fan fuse
Defect fan or thermoswitch for fan
Air in the cooling system
Replace fuse 5
Contact an authorized KTM workshop.
Bleed the cooling system (see Maintenance work)
FI lamp is blinking / lights up
Error in the injection system
Visit an authorized KTM workshop
Engine stalls while driving
No fuel
Fuse for fuel pump has blown
Refuel
Replace fuse 4
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 Blown fuse
Replace fuse 2
Flasher lights, brake light, horn
and combined instrument fail
Sicherung durchgeschmolzen
Replace fuse 3
Time is not displayed or not cor-
rectly displayed
Blown fuse, thus no continuous
power supply
Replace fuse 6 and set the clock.