Crankshaft Polini Evolution 3 Minarelli horizontal connecting rod 85mm pin 12mm

Crankshaft equipped with a machined connecting rod of 85mm and with a 16mm shaft, a total stroke of this crankshaft of 39.2mm and compressed webs, it is one of the most requested Racing crankshafts for minarelli scooter engines developed to get the maximum performance from your engine, whether combined with a 70 or 80 cubic centimetre cylinder.

For Evolution 3 cylinders, it is necessary to install the 5mm spacer that Polini sells separately; for Evolution 4, the spacer is not necessary.

To install the 166.0112 or the 166.0110 cylinder (Minarelli LC), this crankshaft is recommended.

Attention! It can only be installed with the Polini Evolution variator or with a variator with a 16mm shaft; it must be used with a variator with a pin and variator ramp without 16mm splines

Suitable for:

• Yamaha Jog/RR/Aerox
• Minarelli Scooter

Attention! You must carry out balancing checks before installing in the engine, since manufacturers deny warranty for any balancing fault found after installation.