Echo CS-2511WES Service Manual

ENGINE
65
CS-2511WES
251Ws
8-12Installingpistonringandcylinder
1. Completely remove gasket residue on mating
surfaces of cylinder and crankcase.
2. If cylinder piece (A) came off from cylinder (B),
reinstall it (A) to starter side scavenging port (b1)
of cylinder as shown.
3. Set new cylinder gasket (C) on cylinder (B), as
notch (c1) of gasket (C) aligns pulse hole (b2).
4. Install piston ring (D) on piston (E), ensuring
the end gaps of piston ring are properly positioned
around locating pin (e1) as shown.
5. Apply oil to piston ring (D) and internal wall of
cylinder (B).
6. Install piston (E) in cylinder (B) with arrow (e2)
pointing as shown.
7. Fasten four bolts (F)
A
B
b1
c1
b2
B
C
E
B
D
e1
e2
F
F

Echo CS-2511WES Specifications

General

Brand	Echo
Model	CS-2511WES
Category	Chainsaw
Language	English