Piston, Engine

Piston
Piston grade point mm (in) 38.2 (1.504)
Outer diameter mm (in)
Standard
A 99.505 - 99.515 (3.9175 - 3.9179)
B 99.495 - 99.505 (3.9171 - 3.9175)
0.25 (0.0098) OS 99.745 - 99.765 (3.9270 - 3.9277)
0.50 (0.0197) OS 99.995 - 100.015 (3.9368 - 3.9376)

Piston pin
Degree of fit Piston pin must be fitted into position with thumb at 20°C (68°F).
Clearance between piston hole and piston pin mm (in) Standard 0.004 - 0.008 (0.0002 - 0.0003)