6-14
PERIODIC MAINTENANCE AND MINOR REPAIR
6
3. Lightly tap the air filter element to
remove most of the dust and dirt,
and then blow the remaining dirt
out with compressed air as
shown. If the air filter element is
damaged, replace it.
4. Insert the air filter element into
the air filter case with the arrow
mark on the top pointing inward.
EAU00629
Adjusting the carburetor
Carburetor, adjusting
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
described in the following section,
however, may be serviced by the
owner as part of routine mainte-
nance.
EC000094
cC
The carburetor has been set and
extensively tested at the Yamaha
factory. Changing these settings
without sufficient technical knowl-
edge may result in poor perfor-
mance of or damage to the engine.
1. Mesh side
EC000082
cC
8 Make sure that the air filter ele-
ment is properly seated in the
air filter case.
8 The engine should never be
operated without the air filter
element installed, otherwise
the piston and/or cylinder may
become excessively worn.
5. Install the air filter case cover by
installing the screws.
6. Install the panel.
1. Arrow mark
4PT-E7 (English) 6/29/01 9:13 AM Page 51
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