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, Engine

Piston Ring Specifications

Piston Ring End Gap	Standard	Ring No. 1	0.0098 - 0.0138 Inch (in)
		Ring No. 2	0.0138 - 0.0177 Inch (in)
		Oil	0.0059 - 0.0157 Inch (in)
	Maximum	Ring No. 1	0.0374 Inch (in)
		Ring No. 2	0.0413 Inch (in)
		Oil	0.0394 Inch (in)
Piston Ring Groove Clearance		Ring No. 1	0.0008 - 0.0028 Inch (in)
		Ring No. 2	0.0008 - 0.0024 Inch (in)