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
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

Ring End Gap

Compression Ring
1st ring
Standard 0.30 mm - 0.50 mm (0.0118 inch - 0.0195 inch)
2nd ring
Standard 0.30 mm - 0.50 mm (0.0118 inch - 0.0195 inch)
Oil ring
Standard 0.40 mm - 1.40 mm (0.0156 inch - 0.0546 inch)