Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Compression Ring Width (Top) Standard (New) 1.460-1.490 mm
Service Limit 0.152 mm
Compression Ring Width (Bottom) Standard (New) 1.460-1.490 mm
Service Limit 0.152 mm
Oil Ring Side Seal - Snug Fit
Compression Ring Gap (Top) 0.25-0.50 mm
Compression Ring Gap (Bottom) 0.25-0.50 mm
Oil Ring (Steel Rail) 0.25-1.25 mm
Side Clearance (1st Ring) 0.030-0.080 mm
Side Clearance (2nd Ring) 0.030-0.080 mm