Troubleshooting – KTM 950 SUPERMOTO R User Manual

Page 70

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TROUBLESHOOTING

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TROUBLE

CAUSE

REMEDY

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

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.

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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