PERIODIC MAINTENANCE AND ADJUSTMENT
7-16
7
EAU21370
Adjusting the throttle cable
free play
The throttle cable free play should
measure 3.0–7.0 mm (0.12–0.28 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 ad-
justing 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 mixture
and/or engine noise. To prevent this
from occurring, the valve clearance
must be adjusted by a Yamaha dealer
at the intervals specified in the periodic
maintenance and lubrication chart.
1. Throttle cable free play adjusting nut
2. Locknut
3. Cable cover
c. Throttle cable free play
1
1
2
2
3
3
ZAUU0317
b
a
c
E_1P7F8199E2.book Page 16 Tuesday, January 27, 2009 10:29 AM