Checking The Engine Idling Speed; Checking The Throttle Cable Free Play; Valve Clearance - Yamaha 2009 YW125Y Owner's Manual

Valve clearance<IXE>
PERIODIC MAINTENANCE AND ADJUSTMENT
Checking the engine idling
speed
Check the engine idling speed and, if
1
necessary, have it adjusted by a Yamaha
dealer at the intervals specified in the
2
periodic maintenance and lubrication
chart.
3
Engine idling speed:
~
1700 1900 r/min
4
5
6
7
8
9
EAU44732
Checking the throttle cable
free play
1. Throttle cable free play
The throttle cable free play should mea-
sure 3~5 mm (0.12~0.20 in) at the
throttle grip. Periodically check the
throttle cable free play and, if necessary,
have a Yamaha dealer adjust it.
EAU21382

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 in-
tervals specified in the periodic mainte-
1
nance and lubrication chart.
6-15 6-52
EAU1722A
EAU21401