Installing Piston Ring And Cylinder - Yamabiko ECHO SRM-420ES Service Manual

SRM-420ES, SRM-420TES
T410S, B410S
T410TS, B410TS

6-12 Installing piston ring and cylinder

ENGINE
1. Install piston ring on piston, ensuring the end
gaps of piston ring are properly positioned around
A
locating pin (A) as shown.
2. Set new cylinder gasket on cylinder base with a
little glue for easier installation of cylinder.
3. Apply oil to piston ring and internal wall of cylin-
der.
4. Install cylinder over piston ensuring that the ex-
haust side of cylinder should face the arrow side of
piston.
NOTE: When installing cylinder, it is convenient to
use piston holder 897719-02830 (B) for stabilizing
piston.
NOTE: When installing piston in cylinder, do not
twist cylinder to avoid breakage of piston ring and
scoring cylinder bore.
B
5. Reinstall all removed parts in place.
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