Dimension & Clearance Specifications - Piston Rings

Groove Clearance
First 0.050-0.085 mm (0.0020-0.0033 inch)
Second 0.050-0.090 mm (0.0020-0.0035 inch)
Oil (max.) 0.20 mm (0.008 inch)

Ring Gap
First 0.15-0.36 mm (0.006-0.014 inch)
Second 0.50-0.71 mm(0.0197-0.0280 inch)
Oil 0.25-0.75 mm (0.0098-0.0500 inch)