To do maintenance of the muffler
WARNING:
that has a damaged muffler.
WARNING:
very hot during and after operation, also
at idle speed. Use protective gloves to
prevent burn injuries.
1. Stop the engine and let the muffler become cool.
2. Replace the spark arrester screen if it is
damaged.
3. Remove the screws (A) and remove the exhaust
duct (B).
C
B
A
Note:
The inner surfaces of the muffler contain
chemicals that can cause cancer. Be careful
not to touch these elements if the muffler is
damaged.
4. Remove the spark arrester screen (C) and clean
it with a wire brush. Remove dirt from the inlet
and outlet of the muffler with the wire brush.
Also, remove dirt from the exhaust port of the
cylinder with the wire brush.
5. Attach the spark arrester screen and the exhaust
duct with the screws. Tighten the screws to 2–3
Nm.
16
Do not use a product
The mufflers become
6. Make sure that the muffler is correctly attached
to the product. Tighten the screws (D) to 10–12
Nm, and tighten the screws (E) to 6–8 Nm.
To examine the air intake screen
A clogged air intake screen decreases the blow force
and increases the temperature of the engine. An
increased temperature can result in engine failure.
1. Stop the engine.
2. Disconnect the spark plug cable.
3. Examine the air intake screen for damages.
Make sure that the air intake screen is attached
correctly with clips and straps.
4. Remove dirt, leaves and unwanted materials
from the air intake screen.
To clean the air filter
Clean the air filter regularly from dirt and dust. This
prevents carburetor malfunctions, start problems,
loss of engine power, wear to engine parts and more
fuel consumption than usual. Clean the air filter at
D
E
2318 - 002 - 17.11.2023