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)

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Piston Ring, Engine

ing Groove Ring

Ring End Gap
	Top Compression Ring
		Standard	0.012 - 0.018 Inch (in)
		Wear Limit	0.032 Inch (in)
	2nd Compression Ring
		Standard	0.022 - 0.031 Inch (in)
		Wear Limit	0.055 Inch (in)
	Oil Control Ring Steel Rails
		Standard	0.010 - 0.030 Inch (in)
		Wear Limit	0.065 Inch (in)
Ring Side Clearance
	Top and 2nd Compression Ring
		Standard	0.0016 - 0.0033 Inch (in)
		Wear Limit	0.004 Inch (in)
	Oil Control Ring Steel Rails
		Standard	0.0018 - 0.0079 Inch (in)
		Wear Limit	0.0085 Inch (in)
Ring Width
	Compression Rings	Standard	0.0579 - 0.0586 Inch (in)
	Oil Control Ring Steel Rail	Standard	0.0176 - 0.0186 Inch (in)