Piston Rings Installation - Sym PA12B Service Manual

8. Cylinder / Piston

Piston Rings Installation

Clean up the piston top, ring groove, and piston surface.
Install the piston ring onto piston carefully.
Place the openings of piston ring as diagram shown.
Caution
Do not damage the piston and piston rings as installation.
All marks on the piston rings must be forwarded to up side.
Make sure that all piston rings can be rotated freely after installation.
Top groove
Second groove
Oil groove
8-8
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120°
Top ring
Second ring
Side rail
Spacer
Oil ring
Side rail