O.S. Crankshaft 25FX

Tower Stock# OSMG4507  •  Manufacturer Stock# 22602030
Notes from our tech department:
This is the Replacement Crankshaft for the O.S. Max 25FX engine.
This part rotates inside the engine and the moving parts attach to it.

FEATURES

Steel construction

INCLUDES

One crankshaft

REQUIREMENTS

Assembly into the engine.

SPECIFICATIONS

Total Length: 80mm (3.15")
Connecting Rod Pin Length: 6.5mm (.26")
Connecting Rod Pin Diameter: 4.9mm (.195")
Rear Crankshaft Bearing Diameter: 11.9mm (.471")
Front Crankshaft Bearing Diameter: 8.9mm (.35")
Length of Threaded Portion: 19mm (.748")
Crankshaft Thread Size: 1/4" X 28

NNA 2/24/02

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