Piston, Engine

Piston
Height above crankcase deck (protrusion) 0.9000 mm (0.0354 inch)
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 end gap
Keystone 0.29-0.55 mm (0.011-0.021 inch)
Intermediate compression 1.40-1.66 mm(0.055-0.065 inch)
Oil control 0.24-0.50 mm (0.009-0.019 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)
Piston pin
Diameter 33.9975-34.0025 mm (1.3385-1.3387 inch)
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)