Checking The Throttle Grip Free Play; Valve Clearance; Tires - Yamaha YZF-R25 Owner's Manual

Checking the throttle grip free
play
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1. Throttle grip free play
The throttle grip free play should
measure 3.0–5.0 mm (0.12–0.20 in) at
the inner edge of the throttle grip.
Periodically check the throttle grip free
play and, if necessary, have a Yamaha
dealer adjust it.
PERIODIC MAINTENANCE AND ADJUSTMENT

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
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
conditions 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
the intervals
and replace them at the appropriate
time with the specified tires.
Tire air pressure
The tire air pressure should be
checked and, if necessary, adjusted
before each ride.
WARNING
Operation of this vehicle with
improper tire pressure may cause
severe injury or death from loss of
control.
The tire air pressure must be
checked and adjusted on cold
tires (i.e., when the temperature
of the tires equals the ambient
temperature).
The tire air pressure must be
adjusted in accordance with the
riding speed and with the total
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