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PERIODIC MAINTENANCE AND MINOR REPAIR
6-11
6
7. Install the plug into the check
hose, and then install the clamp.
CAUTION:
ECA10480
● Make sure that the air filter ele-
ment is properly seated in the
air filter case.
● The engine should never be op-
erated without the air filter ele-
ment installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively worn.
8. Install the air filter case cover by in-
stalling the screws.
9. Connect the hose.
10. Install the air filter case by inserting
the projection into the grommet, in-
stalling the bolts, then tightening
the clamp screw.
EAU21280
Adjusting the carburetor
The carburetor is an important part of
the engine and requires very sophisti-
cated adjustment. Therefore, most car-
buretor adjustments should be left to a
Yamaha dealer, who has the neces-
sary professional knowledge and expe-
rience. The adjustment described in the
following section, however, may be ser-
viced by the owner as part of routine
maintenance.
CAUTION:
ECA10550
The carburetor has been set and ex-
tensively tested at the Yamaha fac-
tory. Changing these settings
without sufficient technical knowl-
edge may result in poor perfor-
mance of or damage to the engine.
1. Air filter check hose plug
2. Clamp
3. Air filter check hose
1. Projection
2. Grommet
3. Hose
5KRE2.book Page 11 Monday, June 23, 2003 3:32 PM