Operation Manual

17 TUNING THE ENGINE 103
17.1 Checking the play in the throttle cable
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– Check the throttle grip for smooth operation.
– Turn the handlebar as far as possible to the right. Move the throttle grip backwards
and forwards to ascertain the play in the throttle cable.
Play in throttle cable 3… 5 mm (0.12… 0.2 in)
» If the throttle cable play does not meet the specified value:
– Adjust the play in the throttle cable. ( p. 103)
Danger
Danger of poisoning Exhaust gases are toxic and inhaling them may result
in unconsciousness and death.
– Always make sure there is sufficient ventilation when running the
engine.
– Use an effective exhaust extraction system when starting or running the
engine in an enclosed space.
– 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. ( p. 103)
17.2 Adjusting the play in the throttle cable
Info
If the correct routing of the throttle cable has already been secured, the fuel tank does not need to be removed.
Preparatory work
– Remove the seat. ( p. 61)
– Remove the fuel tank. ( p. 66)
– Check throttle cable routing. ( p. 72)
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Main work
– Turn the handlebar as far as possible to the right.
–
Push back sleeve

.
–
Ensure that the throttle cable sleeve is pushed all the way into barrel adjuster

.
–
Loosen nut

.
–
Turn barrel adjuster

so that there is play

in the throttle cable at the throttle
grip.
Guideline
Play in throttle cable 3… 5 mm (0.12… 0.2 in)
–
Tighten nut

.
–
Slide on sleeve

.
Finishing work
– Check the throttle grip for smooth operation.
– Install the fuel tank. ( p. 67)
– Mount the seat. ( p. 61)
– Check the play in the throttle cable. ( p. 103)