Checking The Throttle Grip Free Play; Valve Clearance; Tires - Yamaha MTN850-AH Owner's Manual

Periodic maintenance and adjustment
1
Checking the throttle grip free
play
2 Measure the throttle grip free play as
shown.
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4
5
1
6
7
1. Throttle grip free play
Throttle grip free play:
8
3.0–5.0 mm (0.12–0.20 in)
Periodically check the throttle grip free
9
play and, if necessary, have a Yamaha
dealer adjust it.
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12
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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.
Operation of this vehicle with im-
proper tire pressure may cause se-
vere injury or death from loss of
control.


8-19
WARNING
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 ad-
justed in accordance with the
riding speed and with the total
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