Adjusting The Engine Idling Speed; Adjusting The Throttle Cable Free Play - Yamaha Drag Star XVS125 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
Adjusting the engine idling
speed
The engine idling speed must be
1
checked and, if necessary, adjusted as
follows at the intervals specified in the
periodic maintenance and lubrication
2
chart.
The engine should be warm before
3
making this adjustment.
NOTE:
4
G
The engine is warm when it quickly
responds to the throttle.
5
G
A diagnostic tachometer is needed
to make this adjustment.
6
1. Attach the tachometer to the spark
plug lead.
7
2. Check the engine idling speed
and, if necessary, adjust it to spec-
8
ification by turning the throttle stop
screw. To increase the engine
9
idling speed, turn the screw in di-
rection (a). To decrease the en-
gine idling speed, turn the screw in
direction (b).
EAU21340
(b)
1
1. Throttle stop screw
Engine idling speed:
1250–1450 r/min
NOTE:
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
6-12
Adjusting the throttle cable
free play
(a)
1. Throttle cable free play
The throttle cable free play should mea-
sure 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, have a Yamaha dealer adjust it.
EAU21380
1