O.S. Crankshaft FS155A-PTower Stock# OSMG4707 • Manufacturer Stock# 42502000
This crankshaft is supported by bearings and attaches to the connecting rod
to move the piston up and down within the cylinder head.
Constructed of hardened steel for long life
One O.S. Max Crankshaft for the FS-155A-P Engine - key #23.
Disassembling engine to install Crankshaft
Length of threaded portion: 1" (25.5mm)