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

Piston Rings

Using a piston, push a new ring (A) into the cylinder bore 15 - 20 mm (0.6 - 0.8 in.) from the bottom.





Piston Ring End-Gap
Top Ring:
Standard (New) 20 - 0.35 mm (0.008 - 0.014 in.)
Service Limit 0.60 mm (0.024 in.)
Second Ring:
Standard (New) 40 - 0.55 mm (0.016 - 0.022 in.)
Service Limit 0.70 mm (0.028 in.)
Oil Ring:
Standard (New) 20 - 0.70 mm (0.008 - 0.028 in.)
Service Limit 0.80 mm (0.031 in.)