ENGINE
CS-271T
52
A
B
C
D
F
8-3 Inspecting muffler and exhaust port
1. Remove muffler cover.
2. Remove exhaust heat shield (A) and muffler (B)
with muffler gasket (C).
3. Inspect cylinder exhaust port and clean the port
using wooden or plastic stick if carbon is found.
NOTE:
When cleaning exhaust port, always posi-
tion piston at Top Dead Center (TDC) to prevent
carbon from entering cylinder. Do not use metal
tool, and be careful not to scratch piston or cylin-
der.
NOTE:
Replace muffler gasket with new one when
removing muffler.
4. Remove three screws and remove muffler lid (D)
from muffler with muffler lid gasket (E). Remove
spark arrestor screen (F).
5. Remove carbon deposits from spark arrestor
screen (F) and muffler lid (D). If screen has heavy
deposits, replace with new one.
6. Reassemble spark arrestor screen and muffler
lid with new muffler lid gasket.
NOTE:
Replace muffler lid gasket with new one
when removing muffler lid.
7. Reinstall muffler with new muffler gasket.
D
E
F
