PERIODIC MAINTENANCE AND MINOR REPAIR
6-1
8
6
3. Check the engine idling speed
and, if necessary, adjust it to spec-
ification by turning the throttle stop
screw. To increase the engine
idling speed, turn the screw in di-
rection (a). To decrease the en-
gine idling speed, turn the screw in
direction (b).
The throttle cable free play should mea-
sure 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
Adjusting the throttle cable
free play
The engine idling speed must be cor-
rectly adjusted before checking and ad-
justing the throttle cable free play.
1. Loosen the locknut.
Engine idling speed:
1300–1500 r/min
TIP:
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
4. Install the cowling.
1. Throttle cable free play
2. Locknut
3. Adjusting nut
3 2
(b)
(a)
1
1
b
a
1. Throttle stop screw