Checking The Throttle Grip Free Play; Valve Clearance; Tires - Yamaha XC125RR Owner's Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
Checking the throttle grip free
play
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1. Throttle grip free play
The throttle grip free play should mea-
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sure 3.0–5.0 mm (0.12–0.20 in) at the
inner edge of the throttle grip. Periodi-
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cally check the throttle grip free play
and, if necessary, have a Yamaha
dealer adjust it.
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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 intervals specified in the periodic
maintenance and lubrication chart.
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Tires

Tires are the only contact between the
vehicle and the road. Safety in all con-
ditions of riding depends on a relatively
small area of road contact. Therefore, it
is essential to maintain the tires in good
condition at all times and replace them
at the appropriate time with the speci-
fied tires.
Tire air pressure
The tire air pressure should be checked
and, if necessary, adjusted before each
ride.
WARNING
Operation of this vehicle with im-
proper tire pressure may cause se-
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