Polini 65cc 43mm Cylinder Kit – Vespa Ciao / Citta / Bravo / SI – 10mm Pin

The Polini 65cc 43mm cylinder kit is a high-performance cast iron sport cylinder for Vespa Ciao, Citta, Bravo and SI engines with original crankcases. The Polini Ghisa series is known for strong torque and excellent reliability.

With a 43 mm bore and 65cc displacement, this kit delivers significantly more power compared to a standard 50cc cylinder. According to Polini factory data, the cylinder produces approximately 4.5 hp at a maximum of 8400 rpm.

Manufactured from cast iron (Ghisa), it offers durability and efficient heat management for air-cooled engines. Designed for standard stroke crankshafts with a 10mm wrist pin.

Cylinder features:

• 43mm cast iron cylinder (65cc)
• 4 transfer ports
• Oval exhaust port
• Air cooled (AC)
• Cylinder skirt diameter: 46 mm

Technical specifications:

• Brand: Polini
• Type: Ghisa
• Displacement: 65cc
• Bore: 43 mm
• Cooling: Air cooled
• Wrist pin: 10 mm
• Engine: 2-stroke
• Tuning level: Sport
• Original Polini SKU: 140.0065/10
• GTIN: 8054705011016

Supplied including:

• 43mm cast iron cylinder
• Cylinder head
• Piston
• Piston rings
• 10mm wrist pin
• Piston clips
• Base gasket

Fitment:

Vespa Bravo / Ciao / Citta / SI 50cc 2-stroke moped engines.

Spare parts:

Piston:

Polini 65cc Ciao / Citta 10mm Piston

Also known as Polini 65cc Ciao cylinder, Polini 43mm Vespa Citta kit, Polini Ghisa 65cc or Vespa Bravo 65cc sport cylinder.