Aluminum piston cylinder Ø61 mm Piaggio Medley, Vespa GTS 125, 150 4 Polini 172

Upper engine Polini 172cc Piaggio Medley, Vespa GTS

New complete piston liner kit adaptable for 125cc, 150cc scooter Piaggio Medley, Vespa GTS. This engine configuration is strictly reserved for use on circuit or private land.

This piston cylinder block kit includes

• 1 x cylinder block
• 1 x piston
• 1 x set of seals
• 5 x piston rings
• 2 x circlips
• 1 x gudgeon pin
• 4 x centering pin
• 1 x ignition box

Technical characteristics and dimensions of the cylinder block kit

• Mark: Polini
• Manufacturer no .: 140.0221
• Cylinder color: gray
• Cylinder material: aluminum
• Piston diameter: 61 mm
• Piston pin diameter: 14 mm
• Cylinder fixing centers: 61 mm and 71 mm