Crankshaft Polini Minarelli horizontal 10mm pin

Crankshaft For Race from manufacturer Polini for Minarelli horizontal 50cc scooter engines.

Manufactured to withstand 50cc and 70cc cylinders, with a reinforced connecting rod to more easily handle more powerful engines.

They are perfectly balanced to reduce vibrations and power losses. Heat-treated to increase their strength.
Recommended for all types of original or sport-tuned engines.

Includes reinforced piston needle cage.

10mm pin

Attention! It is necessary to carry out balancing checks before installing in the engine, since manufacturers deny warranty for any balancing fault detected after installation.