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 Specifications

Piston Ring Gap	Top Compression Ring	0.0098-0.0157
	Wear Limit	0.031
	2nd Compression Ring	0.0157-0.0217
	Wear Limit	0.031
	Oil Control Steel Rails	0.0059-0.0197
	Wear Limit	0.039
Ring Side Clearance	Top Compression Ring	0.0012-0.0028
	Wear Limit	0.004
	2nd Compression Ring	0.0008-0.0024
	Wear Limit	0.004