PERIODIC MAINTENANCE AND MINOR REPAIR
6-12
8. I
nstall the air filter case cover by in-
stalling the screws.
Adjusting the carburetor
EAU39930
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
serviced by the owner as part of rou-
tine maintenance.
U5YPE0E0.book Page 14 Wednesday, February 23, 2005 4:22 PM
7. Insert the air filter element into the
air filter case.
NOTICE:
Make su-
re that the air filter element is
properly seated in the air filter
case. The engine should never
be operated without the air filter
element installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively worn.
[ECA10481]
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.
NOTICE:
6
6. Pull the sponge material over the
air filter element frame.
9. I
nstall the panel.
1
1. Hose (
×
2)
To clean the air filter check hose
1. Check the hose at the buttom of
the air filter case for accumulated
2. If dirt or water is visible, remove
the hose, clean it, and then install
dirt or water.
it.