Cleaning The Spark Arrester - Yamaha YFM350RW Owner's Manual

for obstructions. Check the air filter case rubber
joint to the carburetor fittings and the rubber joint
manifold fittings for an air-tight seal. Tighten all fit-
tings securely to avoid the possibility of unfiltered
air entering the engine.
ECB00460
CAUTION:
G
Make sure that the air filter element is prop-
erly seated in the air filter case.
G Never operate the engine with the air filter el-
ement removed. This will allow unfiltered air
to enter the engine, causing rapid engine
wear and possible engine damage. Addition-
ally, operation without the air filter element
will affect carburetor jetting with subsequent
poor performance and possible engine over-
heating.
EBU27490

Cleaning the spark arrester

Be sure the exhaust pipe and muffler are cool be-
fore cleaning the spark arrester.
1. Remove the bolt.
1. Bolt
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.
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