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 Ring	Standard	0.20 - 0.35 Millimeter (mm)
		Limit	1.0 Millimeter (mm)
	Second Ring	Standard	0.37 - 0.52 Millimeter (mm)
		Limit	1.0 Millimeter (mm)
	Oil Ring	Standard	0.20 - 0.50 Millimeter (mm)
		Limit	1.0 Millimeter (mm)
Clearance Between Piston Ring and Ring Groove	Top Ring	Standard	0.040 - 0.080 Millimeter (mm)
		Limit	0.15 Millimeter (mm)
	Second Ring	Standard	0.030 - 0.070 Millimeter (mm)
		Limit	0.15 Millimeter (mm)