Cleaning The Spark Arrester - Yamaha YFM4FGW Owner's Manual

will affect carburetor jetting with subsequent
poor performance and possible engine over-
heating.
EBU23881

Cleaning the spark arrester

Be sure the exhaust pipe and muffler are cool be-
fore cleaning the spark arrester.
1. Remove the bolts.
1. Bolt
2. Tailpipe
2. Remove the tailpipe by pulling it out of the
muffler.
3. Tap the tailpipe lightly, and then use a wire
brush to remove any carbon deposits from the
spark arrester portion of the tailpipe and inside
of the tailpipe housing.
1. Tailpipe
2. Spark arrester
4. Insert the tailpipe into the muffler and align the
bolt holes.
5. Install and tighten the bolts.
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