Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Ring Width
Compression (Top) 1.460 - 1.490 mm (0.0575 - 0.0587 inch)
Compression (Bottom) 1.460 - 1.490 mm (0.0575 - 0.0587 inch)
Oil Ring Side Seal-Snug Fit
Service Limit-Side Clearance 0.15 mm Max. (0.006 in. Max.)
Ring Gap
Compression (Top) (in Gauge) 0.25 - 0.50 mm (0.01 - 0.02 inch)
Compression (Bottom) (in Gauge) 0.25 - 0.50 mm (0.01 - 0.02 inch)
Oil Ring (Steel Rail) (in Gauge) 0.25 - 1.25 mm (0.010 - 0.049 inch)
Side Clearance
1st Ring 0.040 - 0.095 mm (0.0016 - 0.0037 inch)
2nd Ring 0.040 - 0.095 mm (0.0016 - 0.0037 inch)