PERIODIC MAINTENANCE AND ADJUSTMENT
7-16
7
EAU48433
A
d
justin
g
the throttle
g
rip free
play
The throttle grip free play should mea-
sure 3.0–7.0 mm (0.12–0.28 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle grip free play
and, if necessary, adjust it as follows.
TIP
The engine idling speed must be cor-
rectly adjusted before checking and
adjusting the throttle grip free play.
1. Slide the rubber cover back.
2. Loosen the locknut.
3. To increase the throttle grip free
play, turn the adjusting nut in di-
rection (a). To decrease the throt-
tle grip free play, turn the adjusting
nut in direction (b).
4. Tighten the locknut and then slide
the rubber cover to its original po-
sition.
EAU21402
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. Rubber cover
2. Throttle grip free play adjusting nut
3. Locknut
4. Throttle grip free play
4
1
2
3
(a)
(b)
UB15E1E0.book Page 16 Tuesday, July 18, 2017 10:42 AM