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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Piston Ring

END GAP
Standard
No. 1 0.26 - 0.48 mm (0.0102 - 0.0189 inch)
No. 2 0.36 - 0.57 mm (0.0142 - 0.0224 inch)
Oil 0.13 - 0.50 mm (0.0059 - 0.0197 inch)
Maximum
No. 1 1.07 mm (0.0421 inch)
No. 2 1.02 mm (0.0354 inch)
Oil 1.10 mm (0.0433 inch)