Piston, Engine

PISTON

Piston clearance
STD -0.010 - 0.010 mm (-0.0004 - 0.0004 in.)
Limit 0.030 mm (0.0012 in.)
Cylinder enlarging (boring) limit (dia.) 100.005 mm (3.937 in.)

Outer diameter
STD
A 99.505 - 99.515 mm (3.9175 - 3.9179 in.)
B 99.495 - 99.505 mm (3.9171 - 3.9175 in.)
0.25 mm (0.0098 in.) OS 99.745 - 99.765 mm (3.9270 - 3.9278 in.)
0.50 mm (0.0197 in.) OS 99.995 - 100.015 mm (3.9368 - 3.9376 in.)

Note:
STD = Standard
OS = Oversized