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

Piston rings
Thickness
Upper Compression ring 1.475 - 1.490 mm
Lower Compression Ring 1.475 - 1.490 mm
Oil Scraper Ring - 2.500
Side clearance in groove
Upper Compression ring 0.035 - 0.080 mm
Lower Compression Ring 0.040 - 0.075 mm
Working gap in cylinder
Upper Compression ring 0.300 - 0.500 mm
Lower Compression Ring 0.300 - 0.500 mm
Oil Scraper Ring 0.75 - 1.00 mm