Air Filter Element; Adjusting The Carburetor; Adjusting The Throttle Cable Free; Play - Yamaha TZR50 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR

Air filter element

The air filter element must be cleaned
and replaced at the intervals specified
in the periodic maintenance and lubri-
cation chart. Have a Yamaha dealer
clean and replace the air filter ele-
ment.
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Adjusting the carburetor

The carburetor is an important part of
the engine and requires very sophisti-
cated adjustment. Therefore, most
carburetor adjustments should be left
to a Yamaha dealer, who has the
necessary professional knowledge
and experience. The adjustment des-
cribed in the following section, howe-
ver, may be serviced by the owner as
part of routine maintenance.
CAUTION:
The carburetor has been set and
extensively tested at the Yamaha
factory. Changing these settings
without sufficient technical know-
ledge may result in poor perfor-
mance of or damage to the engine.
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Adjusting the throttle cable
free play
The throttle cable free play should
measure 4 ~ 6 mm (0.15 ~ 0.23 in) at
the throttle grip. Periodically check
the throttle cable free play and, if
necessary, adjust it as follows.
ECA10550
(a)
(b)
1. Throttle cable free play
NOTE:
The engine idling speed must be
correctly adjusted before checking
and adjusting the throttle cable free

play.

1. To increase the throttle cable free
play, turn the adjusting nut in
direction (a). To decrease the
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1