Adjusting The Engine Idling Speed; Adjusting The Throttle Grip Free Play - Yamaha YZF-R125 Owner's Manual

Periodic maintenance and adjustment
Adjusting the engine idling
speed
The engine idling speed must be
checked and, if necessary, adjusted as
follows at the intervals specified in the
periodic maintenance and lubrication
chart.
The engine should be warm before
making this adjustment.
Check the engine idling speed and, if
necessary, adjust it to specification by
turning the idle adjusting screw. To in-
crease the engine idling speed, turn the
screw in direction (a). To decrease the
engine idling speed, turn the screw in
direction (b).
6
(a)
ZAUE3388
1. Idle adjusting screw
Engine idling speed:
1250–1550 r/min
TIP
If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
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(b)
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6-15
Adjusting the throttle grip free
play
Measure the throttle grip free play as
shown.
ZAUM1595
1. Throttle grip free play
Throttle grip free play:
3.0–5.0 mm (0.12–0.20 in)
Periodically check the throttle grip free
play and, if necessary, adjust it as fol-
lows.
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).
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1