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	Ring to ring groove clearance No.1 ring	Standard value	0.03 - 0.07 mm
		Limit	0.1 mm
	Ring to ring groove clearance No.2 ring	Standard value	0.02 - 0.06 mm
		Limit	0.1 mm
	End gap No.1 ring	Standard value	0.30 - 0.45 mm
		Limit	0.8 mm
	End gap No.2 ring	Standard value	0.45 - 0.60 mm
		Limit	0.8 mm
	End gap oil ring	Standard value	0.20 - 0.60 mm
		Limit	1.0 mm