Dimension & Clearance Specifications - Cylinder Block

Cylinder Bore:
Mark 1 81.000-81.010 mm (3.1890-3.1894 inch)
Mark 2 81.010-81.020 mm (3.1894-3.1898 inch)
Mark 3 81.020-81.030 mm (3.1898-3.1902 inch)
Cylinder Bore Limit:
Standard 81.23:mm (3.1980 inch)
Maximum 81.73 mm (3.2177 inch)
Gasket Surface Distortion Specification 0.05 mm (0.0020 inch)