Crankshaft Ottopuntouno 8.1 100cc for Fireblade // Polini P.R.E (47mm/100mm)

Find here from the Italian manufacturer Ottopuntouno 8.1, the 47mm stroke crankshaft and 100mm connecting rod for Polini PRE, 2Fast Passion and 8.1 Fireblade engines.

Hyper Racing type, this crankshaft is made of high quality steel and has a 100mm connecting rod held by an 18mm crankpin. The crankshaft masses are 84mm in diameter and hold tungsten inserts ensuring proper balance to the 8.1 100cc cylinder. The crankshaft is initially designed to fit with an Ottopuntouno cylinder kit but will of course fit other 100cc cylinders.

This R-18 version is here designed to fit in a Polini PRE, 2Fast Passion and 8.1 Fireblade crankcase, but you will have to mill the crankcase to fit the crankshaft masses.

Needle cage: 14x17x16.6mm
Connecting rod: 100mm
Stroke: 47mm
Diameter of the masses: 84mm
Weight: 2.05kg