ENGLISH
45
TROUBLE SHOOTING »
If you let the specified maintenance work on your motorcycle be carried out, disturbances can hardly be expected. Should an error
occur nevertheless, we advise you to use the trouble shooting chart in order to find the cause of error.
We would like to point out that many operations cannot be performed by oneself. In case of uncertainty, please contact a KTM-dealer.
TROUBLE CAUSE REMEDY
Engine does not start when the
starter button is actuated
Operating errror
Discharged battery.
Blown fuse IGNITION.
Blown main fuse.
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.
Recharge the battery and investigate the causes for dis-
charging; contact an authorized KTM workshop.
Replace fuse IGNITION
Remove the engine cowl and replace the main fuse in the
starter relay
Check ignition lock and emergency OFF switch, contact an
authorized KTM workshop.
Contact an authorized KTM workshop.
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.
Contact an authorized KTM workshop.
Engine cranks with gear
engaged.
Defect safe-starting system. Contact an authorized KTM workshop.
Engine cranks but doesn’t
start.
Operating error
Blown fuse for the fuel pump
The plug and socket connector on
the wiring harness is oxidized
Open fuel taps, tank fuel, you did not use choke. Pay atten-
tion to starting off information (see driving instructions).
Replace THE FUEL pump fuse
Remove the panel and fuel tank, clean the plug and socket
connector and spray with contact spray
Engine will not reach full power Fuel supply partically interrupted
Carburetors leaking
Air filter very dirty
The ignition curve for 80 octane is
activated
Check the fuel taps, run the fuel lines without kinks
Check vacuum hoses and venting hoses of carburetors for
correct position (no kinks)
Have the air filter replaced at an authorized KTM workshop.
Activate the ignition curve for 95 octane, if fuel with at least
RON 95 (USA = Premium RON 91) is being used
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
Defect fan or thermoswitch for fan
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
Have the thermostat checked (opening temperature 75°C,
167°F) or replaced; contact an authorized KTM workshop
Replace fuse FAN
Contact an authorized KTM workshop.
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