Piston Ring, Engine

Piston
Clearance 0.030-0.066 mm (0.0012-0.0026 in.)
Piston Ring
Compression
Groove Clearance
Top 0.05-0.09 mm (0.002-0.0035 in.)
Second 0.05-0.09 mm (0.002-0.0035 in.)
Gap
Top 0.18-0.41 mm (0.007-0.016 in.)
Second 0.50-0.71 mm (0.020-0.0028 in.)
Oil
Groove Clearance 0.181 mm (0.007 in.) Max.
Gap 0.25-0.75 mm (0.010-0.030 in.)