Periodic maintenance and adjustment
7-13
7
3. Insert the tailpipe into the muffler,
and then install and tighten the
bolts to the specified torque.
Make sure to align the bolt holes when
inserting the tailpipe.
EAU39931
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 nec-
essary professional knowledge and ex-
perience. The adjustment described in
the following section, however, may be
serviced by the owner as part of rou-
tine maintenance.
ECA10551
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. Spark arrester
Tightening torque:
Tailpipe bolt:
10 N·m (1.0 kgf·m, 7.4 lb·ft)
UB5186E0.book Page 13 Wednesday, April 22, 2020 9:11 AM
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