Valve Clearance - Yamaha XMAX Owner's Manual

14. Install the air filter case cover by
installing the screws.
Measure the throttle grip free play as
shown.
1
1. Throttle grip free play
3.0–5.0 mm (0.12–0.20 in)
Periodically check the throttle grip free
play and, if necessary, have a Yamaha
dealer adjust it.
8-19
EAU21386
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 intervals specified in the periodic
maintenance and lubrication chart.
EAU21402