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

DIMENSIONS
Ring Width
Top Compression 1.46558-1.49098 mm (0.0577-0.0587 inch)
Bottom Compression 1.46558-1.49098 mm (0.0577-0.0587 inch)
Side Clearance
Top Compression 0.033-0.084 mm (0.0013-0.0033 inch)
Bottom Compression 0.033-0.084 mm (0.0013-0.0033 inch)
Oil Ring Side Clearance Snug
Ring Gap
Top Compression 0.254-0.508 mm (0.010-0.020 inch)
Bottom Compression 0.457-0.711 mm (0.018-0.028 inch)
Oil Ring 0.254-1.016 mm (0.010-0.040 inch)