Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Piston Ring, Engine

Pistons





8. Piston rings
^ Offset gaps by 120°






Fig. 1 Checking piston ring end gap
- Insert ring at right angle to cylinder wall from above to lower cylinder opening approximately 15 mm from cylinder edge. Use piston without rings to insert.









Fig. 2 Checking piston ring side clearance
- Before measuring, clean piston ring groove