KTM 690 LC4 2007, Repair Manual

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9-2
Repair manual KTM 690 LC4
Art.-No. 3.206.045-E
TROUBLE CAUSE REMEDY
Engine does not start when
the starter button is actuated
Operating error
Discharged battery
Blown fuse
Main fuse is blown
Defect ignition lock or emergency
OFF switch
Defect safe-starting system.
Turn on the ignition, switch the gear to neutral and switch
the emergency OFF switch on, do not accelerate while
starting the engine
Recharge the battery and investigate the causes for
discharging
Replace fuse 1, 2, 3 or 4 in the fuse box
Remove the seat, move the tank back and replace the main
fuse
Check ignition lock and emergency OFF switch
Repair safe-starting system
The engine cranks only with
pulled clutch lever
A gear is engaged
A gear is engaged and the side
stand is still folded down
Defect safe-starting system.
Shift the transmission to neutral
Shift the transmission to neutral
Repair safe-starting system
Engine cranks with gear
engaged.
Defect safe-starting system. Repair safe-starting system
Engine cranks but doesn’t
start.
Operating error
Blown fuse for the fuel pump
Fuel line connection not attached
The plug and socket connector on
the wiring harness is oxidized
Error in the injection system
Pay attention to starting off information
(see driving instructions)
Replace fuse 4
Connect the fuel line
Remove the panel and fuel tank, clean the plug and socket
connector and spray with contact spray
Error diagnosis with the KTM diagnostics tool, eliminate
error
Engine will not reach full
power
Air filter/fuel filter heavily soiled
Error in the injection system
Have the air filter/fuel filter replaced
Error diagnosis with the KTM diagnostics tool, eliminate
error
Engine overheats Insufficient cooling liquid
Radiator fins are extremely dirty
Foam forms in cooling system
Radiator hose is kinked or
damaged
Thermostat defective
Blown fan fuse
Refill cooling liquid (see maintenace work), check cooling
system for leaks
Clean radiator with water jet
Replace cooling liquid, use antifreezer with brand name
Run the radiator hose correctly or replace
Check the thermostat (opening temperature 70°C, 158°F)
or replace
Replace fuse 5