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
Piston Ring End Gap - First Compression Ring 0.20-0.40 mm (0.00787-0 0157 inch)
Piston Ring End Gap - Second Compression Ring 0.36-0.51 mm (0.0142-0.0201 inch)
Piston Ring End Gap - Oil Control Ring 0.250-0.760 mm (0 0098-0.0299 inch)
Piston Ring to Groove Clearance - First Compression Ring 0.043-0.093 mm (0 0017-0.0037 inch)
Piston Ring to Groove Clearance 0.053-0.093 mm (0 0021-0.0037 inch)
Second Compression Ring
Piston Ring to Groove Clearance - Oil Control Ring 0.059-0.215 mm (0.0023-0.0085 inch)