KTM 125 SX EU 2015 - 16 Tuning the Engine; Checking the Play in the Throttle Cable; Adjusting the Play in the Throttle Cable

16 TUNING THE ENGINE 83
16.1 Checking the play in the throttle cable
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– Check the throttle grip for smooth operation.
– Move the handlebar to the straight-ahead position. Move the throttle grip back and
forth slightly to determine the play in throttle cable

.
Play in throttle cable 2… 3 mm (0.08… 0.12 in)
» If the throttle cable play does not meet specifications:
–
Adjust the play in the throttle cable. x ( p. 83)
Danger
Danger of poisoning Exhaust gases are toxic and inhaling them may result
in unconsciousness and/or death.
– When running the engine, always make sure there is sufficient ventila-
tion, and do not start or run the engine in an enclosed space without an
effective exhaust extraction system.
– Start the engine and let it run idle. Move the handlebar to and fro over the entire
steering range.
The idle speed must not change.
» If the idle speed changes:
–
Adjust the play in the throttle cable. x ( p. 83)
16.2 Adjusting the play in the throttle cable x
Preparatory work
– Remove the seat. ( p. 48)
–
Remove the fuel tank. x ( p. 52)
– Check the routing of the throttle cable. ( p. 58)
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Main work
– Move the handlebar to the straight-ahead position.
–
Push back sleeve

.
–
Ensure that the throttle cable sleeve is pushed all the way into barrel adjuster

.
–
Loosen nut

.
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–
Turn adjusting screw

in such a way there is throttle cable play

in the throt-
tle grip.
Guideline
Play in throttle cable 2… 3 mm (0.08… 0.12 in)
–
Tighten nut

.
–
Slide on sleeve

.
Finishing work
– Check the throttle grip for smooth operation.
–
Install the fuel tank. x ( p. 53)
– Mount the seat. ( p. 48)
– Check the play in the throttle cable. ( p. 83)