Cleaning The Spark Arrester - Yamaha PW50(A1) Owner's Manual

Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil
5. Insert the sponge material into the
air filter case. NOTICE: Make sure
that the sponge material is prop-
erly seated in the air filter case.
The engine should never be op-
erated without the sponge mate-
rial installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively
[ECA15621]
6. Install the air filter case cover by in-
stalling the screw.
7. Install the seat.
PERIODIC MAINTENANCE AND ADJUSTMENT

Cleaning the spark arrester

The spark arrester should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
WARNING
G
Always let the exhaust system
cool prior to touching exhaust
components.
G Do not start the engine when
cleaning the exhaust system.
worn.
1. Remove the tailpipe by removing
the screw, and then pulling it out of
the muffler.
1
2
1. Tailpipe
2. Screw
3. Muffler
EAU41221 2. Tap the tailpipe lightly, and then
EWA10980
1. Spark arrester
3. Insert the tailpipe into the muffler,
TIP
Make sure to align the screw hole when
inserting the tailpipe.
3
7-10
use a wire brush to remove any
carbon deposits from the spark ar-
rester portion of the tailpipe and in-
side of the tailpipe housing.
1
and then install and tighten the
screw.
7