Piston Ring: Specifications

PISTON RING GROOVE DEPTH
No.1 91.55 - 91.80 mm (3.604 - 3.614 inch)
No.2 90.75 - 91.0 mm (3.575 - 3.583 inch)
No.3 92.53 - 92.79 mm (3.643 - 3.653 inch)

PISTON RING GAP
Top Compression Ring 0.30 - 0.46 mm (0.012 - 0.018 inch)
2nd Compression Ring 0.56 - 0.79 mm (0.022 - 0.031 inch)
Oil Control (Steel Rails) 0.25 - 076 mm (0.010 - 0.030 inch)

PISTON RING SIDE CLEARANCE
Top & 2nd Compression Rings 0.040 - 0.085 mm (0.0016 - 0.0033 inch)
Oil Ring (Steel Rails) 0.046 - 0.201 mm (0.0018 - 0.0079 inch)