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 to ring groove clearance	No. 1 ring	Standard	0.03 - 0.07 Millimeter (mm)
		Limit	0.1 Millimeter (mm)
	No. 2 ring	Standard	0.02 - 0.06 Millimeter (mm)
		Limit	0.1 Millimeter (mm)
Piston ring end gap	No. 1 ring	Standard	0.25 - 0.40 Millimeter (mm)
		Limit	0.8 Millimeter (mm)
	No. 2 ring	Standard	0.40 - 0.55 Millimeter (mm)
		Limit	0.8 Millimeter (mm)
	Oil ring	Standard	0.15 - 0.50 Millimeter (mm)
		Limit	1.0 Millimeter (mm)