Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Ring Gap Compression Rings New 0.20 to 0.40 Millimeter (mm)
Wear Limit 1.0 Millimeter (mm)
Oil Scrapper Rings New 0.25 to 0.50 Millimeter (mm)
Wear Limit 1.0 Millimeter (mm)
Ring to Groove Clearance Compression Rings New 0.02 to 0.05 Millimeter (mm)
Wear Limit 0.15 Millimeter (mm)
Oil Scrapper Rings New 0.02 to 0.05 Millimeter (mm)
Wear Limit 0.15 Millimeter (mm)