KTM 250 SX-F 2005, Repair Manual

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8-7
Checking the choke knob and hot start slide
Choke knob:
The choke knob must be easy to actuate .
The piston
1
of the choke knob must not have any pronounced score
marks or deposits.
Hot start slide:
The hot start slide must be easily actuated.
The piston on the hot start slide may not have any scores or deposits.
Checking the accelerator pump
Check the membranes for cracking or brittleness.
Check gaskets for damage.
Check if the bores
2
are unobstructed.
Checking the jet needle
Check the jet needle for bending and wear.
Checking the float needle valve
Check the sealing surface of the needle valve for notches.
There must not be any dirt between the valve seat and the float needle.
Checking the throttle valve
The rollers
3
at the throttle valve must be easy to turn and must not
have any flat spots.
Check the throttle valve paddles
4
for damage.
1
2
2
3
4