Piston Ring Installation - Eton VECTOR ST 250 Service Manual

7-5 Piston Ring Installation

Clean up 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 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 installed.
Top groove
nd
2
Oil groove
groove
Top ring
nd
2
Oil ring
55
ring