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

Top Groove Clearance	0.0012-0.0029 Inch (in)
Second Groove Clearance	0.0012-0.0029 Inch (in)
Top Ring Production Gap	0.012-0.018 Inch (in)
Top Ring Service Limit Gap	0.018-0.027 Inch (in)
Second Ring Production Gap	0.017-0.025 Inch (in)
Second Ring Service Limit	Gap 0.026-0.039 Inch (in)
Ring Groove Clearance	0.002-0.008 Inch (in)
Production Gap	0.0098-0.0299 Inch (in)
Service Limit	0.015-0.045 inch Inch (in)