Piston Ring, Engine

Piston Ring Groove Inside Diameter
First Compression Ring 84.750-85.000 mm (3.3366-3.3464 inch)
Second Compression Ring 83.400-83.650 mm (3.2835-3.2933 inch)
Oil Control Ring 85.670-85.920 mm (3.3728-3.3827 inch)

Piston Ring Groove Width
First Compression Ring 1.230-1.255 mm (0.0494 inch)
Second Compression Ring 1.530-1.555 mm (0.0602-0.0612 inch)
Oil Control Ring 2.530-2.555 mm (0.0996-0.1006 inch)

Piston Ring End Gap
First Compression Ring 0.250-0.400 mm (0.0098-0.0157 inch)
Second Compression Ring 0.350-0.050 mm (0.0138-0.0020 inch)
Oil Control Fling 0.250-0.760 mm (0.0098-0.0299 inch)

Piston Ring to Groove Clearance
First Compression Ring 0.040-0.095 mm (0.00 16-0.0037 inch)
Second Compression Ring 0.040-0.095 mm (0.0016-0.0037 inch)