Polini EVO Crankshaft (12 mm piston pin) – for Piaggio Ciao & Si

With the Polini EVO crankshaft, you bring a high-quality racing base to your Piaggio engine. It is designed for setups with a 12 mm piston pin and is an ideal fit if you are focusing on performance for your Piaggio Ciao or Piaggio Si. Especially with sporty cylinders and higher RPMs, a suitable crankshaft ensures smooth running, stable function, and reliable power transmission.

Whether for a new build or as an upgrade: the Polini EVO crankshaft is a popular choice for tuning projects around Piaggio Ciao, Piaggio Si, and similar Piaggio moped models.

Features & Advantages

• Polini EVO crankshaft – for sporty, performance-oriented setups
• For 12 mm piston pin (important for compatibility with your piston/cylinder)
• Ideal as an upgrade or replacement during engine assembly
• Precise fit for Piaggio moped engines of the Ciao/Si series (model dependent)

Technical Data / Details

• Product: Crankshaft
• Series: Polini EVO
• Piston pin diameter: 12 mm
• Item number: P210.0074

Compatibility

Fits many vehicles from the Piaggio moped family, e.g., Piaggio Ciao and Piaggio Si, but also other models:

• Piaggio Ciao S moped
• Piaggio Ciao P moped
• Piaggio Ciao L moped
• Piaggio SI moped
• Piaggio Ciao A moped
• Piaggio Ciao Mix moped
• Piaggio Ciao PX moped
• Piaggio Ciao SC moped
• Piaggio Boxer moped
• Piaggio Grillo moped
• Piaggio Ciao moped
• Piaggio Boss moped
• Piaggio Bravo moped

Tip: Before purchasing, ensure that your setup actually uses a 12 mm piston pin (piston/cylinder combination) so that everything fits perfectly together.

Why Polini?

Polini is one of the most well-known names in scooter and moped tuning. The EVO line stands for performance-oriented components, developed for riders who want to get noticeably more out of their Piaggio Ciao or Piaggio Si – without compromising on quality.