Adjusting The Throttle Cable Free Play; Adjusting The Valve Clearance - Yamaha CYGNUS.X NXC125 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
Adjusting the throttle cable
free play
The throttle cable free play should mea-
1
sure 3~5 mm (0.12~0.20 in) at the
throttle grip. Periodically check the
2
throttle cable free play and, if necessary,
adjust it as follows.
3
NOTE:
The engine idling speed must be cor-
rectly adjusted before checking and ad-
4
justing the throttle cable free play.
5
1. Loosen the locknut.
2. To increase the throttle cable free
6
play, turn the adjusting nut in direc-
tion (a). To decrease the throttle
7 cable free play, turn the adjusting
nut in direction (b).
8
9
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1. Locknut
1. Adjusting nut
3. Tighten the locknut.

Adjusting the valve clearance

The valve clearance changes with use,
resulting in improper air-fuel mixture and/
or engine noise. To prevent this from
occurring, the valve clearance must be
adjusted by a Yamaha dealer at the in-
1
2
(a)
tervals specified in the periodic mainte-
nance and lubrication chart.
(b)
6-14
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