Yamaha XMAX - Valve Clearance

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