Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston Ring Gap New Wear limit
Compression Ring 0.20 - 0.40 mm 0.8 mm
Oil Scraper Ring 0.25 - 0.40 mm 0.8 mm
Piston Ring Clearance New Wear Limit
Compression Ring 0.06 - 0.09 mm 0.20 mm
Oil Scraper Ring 0.03 - 0.06 mm 0.15 mm