Piston, Engine

Piston
Piston diameter
Standard size 94.9460 - 94.9186 mm (3.737 - 3.738 inch)
0.254 mm (0.010 inch) oversize 95.1738 - 95.1992 mm (3.747 - 3.748 inch)
0.508 mm (0.020 inch) oversize 95.4278 - 95.4532 mm (3.757 - 3.758 inch)
0.762 mm (0.030 inch) oversize 95.6818 - 95.7072 mm (3.767 - 3.768 inch)
Piston-to-cylinder bore clearance 0.0441 - 0.0909 mm (0.0017 - 0.0036 inch)
Ring groove width (measured over 2.08 mm (0.082 inch) gauge pins)
Upper limit 94.469 mm (3.719 inch)
Replacement limit 94.290 mm (3.712 inch)
Pin diameter 33.9975 - 34.0025 mm (1.3385 - 1.3387 inch)
Pin length 65.073 - 65.327 mm (2.5619 - 2.5719 inch)
Pin-to-piston fit 0.013 - 0.022 mm (0.0005 - 0.0009 inch)