Dimension & Clearance Specifications - Piston Rings

PISTON RING GROOVE DEPTH
Top Compression: 4.019-40146 mm (0.158-0.163 inches)
2nd Compression: 4.214-4.341 mm (0.0166-0.171 inches)
Oil Control: 3.814-3.941 mm (0.150-0.155 inches)

PISTON RING END GAP
Top Compression: 0.305-0.559 mm (0.012-0.022 inches)
2nd Compression: 0.762-1.016 mm (0.030-0.040 inches)
Oil Control: 0.254-0.762 mm (0.010-0.030 inches)

PISTON RING SIDE CLEARANCE
Top Compression: 0.033-0.079 mm (0.0013-0.0031 inches)
2nd Compression: 0.033-0.079 mm (0.0013-0.0031 inches)
Oil Control: 0.023-0.201 mm (0.0009-0.0079 inches)

PISTON RING WIDTH
Top Compression: 1.176-1.197 mm (0.0463-0.0471 inches)
2nd Compression: 1.476-1.497 mm (0.0581-0.0589 inches)
Oil Control: 1.854-2.007 mm (0.073-0.079 inches)