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

Piston Ring End Gap
First Compression Ring 0.2-0.4 mm (0.0079-0.0157 in)
Second Compression Ring 0.36-0.51 mm (0.0142-0.0201 in)
Oil Control Ring 0.250-0.760 mm (0.0098-0.0299 in)

PISTON RING TO GROOVE CLEARANCE

Piston Ring to Groove Clearance
First Compression Ring 0.043-0.093 mm (0.0017-0.0037 in)
Second Compression Ring 0.053-0.093 mm (0.0021-0.0037 in)
Oil Control Ring 0.059-0.215 mm (0.0023-0.0085 in)