Crankshaft Polini Minarelli horizontal 12mm 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 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 or sport-tuned engines.

Includes reinforced piston needle cage 12x14x13 mm.

12mm pin, 13mm shaft

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