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, Engine

GENERAL SPECIFICATIONS
Piston Rings Ring Width
Compression Top 1.47-1.49 mm
Compression (Bottom) 1.46-1.49 mm
Oil Ring Service Limit Side seal (Snug fit)(Side Clearance) 0.15 mm
Ring Gap
Compression (Top) 0.25-0.28 mm
Compression (Bottom) 0.25-0.28 mm
Oil Ring (Steel Rail) 0.04-1.68 mm
Side Clearance 1st Ring 0.04-0.08 mm
Side Clearance 2nd Ring 0.04-0.09 mm