Operation CHARM: Car repair manuals for everyone.
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 end gap - top 0.13-0.28 mm (0.0051-0.0111 inch)
Piston ring end gap - intermediate 0.25-0.40 mm (0.0098-0.0157 inch)
Piston ring gap - oil control 0.15-0.65 mm (0.0059-0.0256 inch)
Piston ring width 1.49-1.46 mm (0.0587-0.0575 inch)
Piston ring-to-groove clearance - top 0.030-0.050 mm (0.0012-0.0020 inch)
Piston ring-to-groove clearance - intermediate 0.030-0.080 mm (0.0012-0.0031 inch)