Piston Ring: Specifications

Piston Ring End Gap
Measurement Point 96 mm (3.78 inches) from top of bore
Top Ring (Standard) 0.25-0.35 mm (0.0098-0.0138 inches)
Top Ring (Maximum Limit) 1.05 mm (0.0413 inches)
Lower Ring (Standard) 0.35-0.50 mm (0.0138-0.0197 inches)
Lower Ring (Maximum Limit) 1.2 mm (0.0472 inches)
Oil Ring (Standard) 0.10-0.40 mm (0.0039-0.0157 inches)
Oil Ring (Maximum Limit) 1.05 mm (0.0413 inches)
Piston Ring Groove Clearance
Upper Compression Ring 0.045-0.085 mm (0.0018-0.0033 inches)
Lower Compression Ring 0.030-0.070 mm (0.0012-0.0028 inches)