Checking The Engine Idling Speed; Checking The Throttle Grip Free Play; Valve Clearance - Yamaha Zuma YW125B Owner's Manual

Checking the engine idling
speed
Check the engine idling speed and,
if necessary, have it corrected by a
Yamaha dealer.
Engine idling speed:
1700 - 1900 r/min
PERIODIC MAINTENANCE AND ADJUSTMENT
EAU44734
Checking the throttle grip
free play
1. Throttle cable free play
The throttle grip free play should mea-
sure 3 - 5 mm (0.12 - 0.20 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle grip free play
and, if necessary, have a Yamaha
dealer adjust it.
6-16
EAU21384

Valve clearance

The valve clearance changes with
use, resulting in improper air-fuel mix-
ture and/or engine noise. To prevent
this from occurring, the valve clear-
ance must be adjusted by a Yamaha
1
dealer at the intervals specifi ed in the
periodic maintenance and lubrication
chart.
EAU1722A
EAU21401
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