ENGINE
56
CS-2511WES
251Ws
8-3 Inspectingmuferandexhaustport
1. Remove sprocket guard and mufer cover.
2. Remove three bolts (A), muffler (B), exhaust
gasket (C) and exhaust plate (D) from cylinder (E)
NOTE : If exhaust gasket (C) stays on mufer (B),
keep them as it is to reuse.
3. Inspect cylinder exhaust port (e) and clean the
port using wooden or plastic stick (F) 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 mufer gasket with new one when
damaged or removing from mufer.
4. Remove screw (G) and pull spark arrester
screen (H) out from mufer (B).
5. Remove carbon deposits from spark arrester
screen (H). If screen has heavy deposits, replace
with new one.
6. Reassemble spark arrester screen (H) and tight-
en screw (G).
C
B
A
D
E
F
G
H
B
H
e