2012 Yamaha Motorsports Big Bear 400 4x4 IRS Owners Manual - Page 105

2012 Yamaha Motorsports Big Bear 400 4x4 IRS Manual

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EWB02340 WARNING Do not start the engine when cleaning the spark arrester, otherwise it could cause injury to the eyes, burns, carbon monoxide poisoning, possibly leading to death, and start a fire. Always let the exhaust system cool prior to touching exhaust components. EBU23940 Adjusting the carburetor 1. Tailpipe 2. Spark arrester 4. Insert the tailpipe into the muffler and align the bolt holes. 5. Install the tailpipe bolts and tighten them to the specified torque. Tightening torque: Tailpipe bolt: 10 Nm (1.0 m·kgf, 7.2 ft·lbf) The carburetor should be checked and, if necessary, adjusted at the intervals specified in the periodic maintenance and lubrication chart. The carburetor is an important part of the engine and requires very sophisticated 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 performed by the owner as part of routine maintenance. 8 8-25

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8-25
8
4.
Insert the tailpipe into the muffler and align the
bolt holes.
5.
Install the tailpipe bolts and tighten them to the
specified torque.
WARNING
EWB02340
Do not start the engine when cleaning the
spark arrester, otherwise it could cause injury
to the eyes, burns, carbon monoxide poison-
ing, possibly leading to death, and start a fire.
Always let the exhaust system cool prior to
touching exhaust components.
EBU23940
Adjusting the carburetor
The carburetor should be checked and, if neces-
sary, adjusted at the intervals specified in the peri-
odic maintenance and lubrication chart. The
carburetor is an important part of the engine and
requires very sophisticated adjustment. Therefore,
most carburetor adjustments should be left to a
Yamaha dealer, who has the necessary profes-
sional knowledge and experience. The adjustment
described in the following section, however, may
be performed by the owner as part of routine main-
tenance.
1. Tailpipe
2.
Spark arrester
Tightening torque:
Tailpipe bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)