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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Piston Ring

GENERAL SPECIFICATIONS
Ring Width
Upper Compression Ring 0.30-0.50 mm (0.011811-0.019685 inch)
Lower Compression Ring 0.30-0.50 mm (0.011811-0.019685 inch)
Oil Control Ring 0.40-1.40 mm (0.015748-0.055118 inch)