Echo CS-2511TES - 8-3 Inspecting muffler and exhaust port

ENGINE
CS-2511TES
251Ts, 251TCs
59
8-3 Inspectingmuferandexhaustport
1. Remove sprocket guard and mufer 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 mufer (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 mufer gasket with new one when
damaged or removing from mufer.
4. Remove screw (G) and pull spark arrester
screen (H) out from mufer (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).
STOP
STOP
C
B
A
D
E
STOP
STOP
e
F
G
H
B
H