Crankshaft Polini For Race Minarelli vertical pin 10mm

For Race crankshaft from manufacturer Polini for Minarelli vertical 50cc scooter engines.

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

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

Includes reinforced piston needle cage.

10mm pin

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