2. Remove the air filter element, and
then blow out the dirt with com-
pressed air as shown.
3. Check the air filter element for
damage and replace it if neces-
sary.
4. Install the air filter element with
the colored side facing outward.
5. Install the V-belt case air filter
cover by installing the screws.
ECA10530
CAUTION:
Make sure that each filter ele-
ment is properly seated in its
case.
The engine should never be
operated without the filter ele-
ments installed, otherwise the
piston(s) and/or cylinder(s)
may become excessively worn.
EAU21300
Adjusting the carburetor
The carburetor is an important part of
the engine and requires very sophisti-
cated adjustment. Therefore, all car-
buretor adjustments should be left to
a Yamaha dealer, who has the neces-
sary professional knowledge and
experience.
EAU21370
Adjusting the throttle cable
free play
The throttle cable free play should
measure 4 ~ 6 mm (0.15 ~ 0.24 in) at
the throttle grip. Periodically check
the throttle cable free play and, if
necessary, adjust it as follows.
NOTE:
The engine idling speed must be
correctly adjusted before checking and
adjusting the throttle cable free play.
1. Throttle cable free play
2. Locknut
3. Adjusting nut
1. Loosen the locknut.
2. To increase the throttle cable free
play, turn the adjusting nut in
1 a
b
32
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PERIODIC MAINTENANCE AND MINOR REPAIR
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