Dimension & Clearance Specifications - Piston Rings

Piston Ring End Gap
Top Ring
Standard 0.25-0.35 mm (0.0098-0.0138 in)
Maximun Limit 1.05 mm (0.0413 in)
Lower Ring
Standard 0.035-0.050 mm (0.0138-0.0197 in)
Maximum Limit 0.120 (0.0472 in)
Oil Ring
Standard 0.015-0.040 mm (0.0059-0.0157 in)
Maximum Limit 1.05 mm (0.0413 in)

Piston Ring Groove Clearance
First Ring 0.03-0.070 mm (0.0012-0.0028 in)
Second Ring 0.03-0.070 mm (0.0012-0.0028 in)