Cleaning The Spark Arrester - Yamaha PW50L 2020 Owner's Manual

Periodic maintenance and adjustment
4. Apply oil of the recommended
type to the entire surface of the
sponge material,
squeeze the excess oil out.
TIP
The sponge material should be wet but
not dripping.
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
properly seated in the air filter
case. The engine should never
be operated without the sponge
material installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively
[ECA15622]
6. Install the air filter case cover by
installing the screw.
7. Install the seat.

Cleaning the spark arrester

The spark arrester should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
 Always let the exhaust system
 Do not start the engine when
and then
1. Remove the tailpipe by removing
1
1. Tailpipe
2. Screw
3. Muffler
2. Tap the tailpipe lightly, and then
worn.
7-11
WARNING
cool prior to touching exhaust
components.
cleaning the exhaust system.
the screw, and then pulling it out
of the muffler.
2
3
use a wire brush to remove any
carbon deposits from the spark
arrester portion of the tailpipe and
inside of the tailpipe housing.
EAU41222
EWA10981
7