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Perio
d
ic maintenance an
d
a
d
justment
9-17
9
4. Apply oil of the recommended
type to the entire surface of the
sponge material, and then
squeeze the excess oil out.
TIP
The air filter element should be
wet but not dripping.
Check the air filter element for ex-
cessive dirt or damage and re-
place it if necessary.
5. Insert the element into the V-belt
case.
6. Install the air filter element cover
by installing the screws.
EAU21386
Checkin
g
the throttle
g
rip free
play
Measure the throttle grip free play as
shown.
Periodically check the throttle grip free
play and, if necessary, have a Yamaha
dealer adjust it.
EAU21402
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.
Recommen
d
e
d
oil:
Yamaha foam air filter oil or other
quality foam air filter oil
1. Throttle grip free play
Throttle
g
rip free play:
3.0–5.0 mm (0.12–0.28 in)
A
A
1
UBF6EYE0.book Page 17 Friday, July 14, 2017 3:39 PM