Carburetor - Adjusting Idle - KTM 450 XC Owner's Manual

MAINTENANCE ON CHASSIS AND ENGINE

Carburetor - adjusting idle

9.85
x
–
Screw in the idle adjusting screw
ting.
Guideline
Idle mixture adjusting screw
Open
Adjustment tool for mixture control screw (59029034000)
–
Run the engine until warm.
Guideline
600145-10
Warm-up time
–
Adjust the idle speed with the adjusting screw
Guideline
Choke function deactivated – The choke lever is pushed in to the stop. (
Idle speed
Info
If the idle speed is set significantly higher, the engine does not start. When the
electric starter button is activated, the electric starter turns over the engine, but
the engine does not start because there is no ignition spark.
–
Turn the idle adjusting screw
–
Note the position and turn the idle adjusting screw slowly counterclockwise until the
idle speed falls.
until it stops and then to the prescribed basic set-

1.0 turn
≥ 5 min
.

1,500... 1,600 rpm
slowly until the idle speed begins to fall.

159
p. 38)