PERIODIC MAINTENANCE AND ADJUSTMENT
7
-1
4
7
EAU21372
Adjusting the throttle cable
free play
The throttle cable free play should
measure 3.0–5.0 mm (0.12–0.20 in) at
the throttle grip. Periodically check the
throttle cable free play and, if neces-
sary, adjust it as follows.
TIP
The engine idling speed must be cor-
rectly adjusted before checking and
adjusting the throttle cable free play.
1. Loosen the locknut.
2. To increase the throttle cable free
play, turn the adjusting nut in di-
rection (a). To decrease the throt-
tle cable free play, turn the
adjusting nut in direction (b).
3. Tighten the locknut.
EAU21401
Valve clearance
The valve clearance changes with
use, resulting in improper air-fuel mix-
ture and/or engine noise. To prevent
this from occurring, the valve clear-
ance must be adjusted by a Yamaha
dealer at the intervals specified in the
periodic maintenance and lubrication
chart.
1. Throttle cable free play
1. Locknut
2. Adjusting nut
54CF8199E1.book Page 15 Thursday, April 1, 2010 1:24 PM