Installing Piston Ring And Cylinder - Yamabiko ECHO PB-2520 Service Manual

PB-2520
EB252

7-12 Installing piston ring and cylinder

B
ENGINE
A
B
D
C
E
1. Install piston ring on piston ensuring that locat-
ing pin (A) is positioned between ring ends.
2. Set new cylinder gasket (C) on crankcase (D).
NOTE: When setting cylinder gasket (C), it is con-
venient to apply Loctite #222, ThreeBond 1324 or
equivalent on several spots of the bottom of cylin-
der gasket (C) to x it on crankcase temporarily.
3. Apply oil to piston ring and cylinder internal wall.
4. Install cylinder over piston ensuring that exhaust
side of cylinder is at arrow side (B) of piston.
NOTE: When installing piston, it is convenient to
use piston holder 897719-02830 (E) for stabilizing
piston.
NOTE: Do not twist cylinder while installing, oth-
erwise, piston ring and/or cylinder wall may be
damaged.
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