Perio
d
ic maintenance an
d
a
d
justment
7-16
7
3. Insert a new air filter element into
the air filter case.
NOTICE:
Make
sure that the air filter element is
properly seate
d
in the air filter
case. The en
g
ine shoul
d
never
b
e operate
d
without the air filter
element installe
d
, otherwise the
piston(s) an
d
/or cylin
d
er(s) may
b
ecome excessively worn.
[ECA10482]
4. Install the air filter case cover by
installing the bolts.
EAU21385
Checkin
g
the throttle
g
rip free
play
The throttle grip free play should mea-
sure 4.0–6.0 mm (0.16–0.24 in) at the
inner edge of the throttle grip. Periodi-
cally check the throttle grip free play
and, if necessary, have a Yamaha deal-
er 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.
1. Air filter element
1. Throttle grip free play
1
U27D15E0.book Page 16 Wednesday, May 13, 2015 10:45 AM
