Polishing or refinishing the piston pin is not
scoring, overheating or other damage. Measure the
recommended as it could result in very rapid bushing
thickness of the bushing along the center. Replace the
wear. A new piston pin has a diameter of 1.4996 " to
bushing if it is damaged or worn to a thickness of .086 "
1.5000 ". Replace the piston pin if it is worn to a
or less. A new bushing is .087 " to .088 " thick.
diameter of 1.4980 " or less.
Inspect the piston pin for signs of fretting. When reusing
a piston pin, the highly polished and lapped surface of
Assemble Connecting Rod to Piston
the pin must not in any way be refinished.
of the connecting rod to the piston.