Aluminum piston cylinder Ø59 mm Yamaha Bw's, Zuma, Cygnus 125 4T Polini 158

Upper engine Polini 158cc Yamaha Bws, Cygnus 125

Kit piston new complete adaptable for scooter 125cc Yamaha Bw's, Cygnus. 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
• 1 x ignition box

Technical characteristics and dimensions of the cylinder block kit

• Mark: Polini
• Manufacturer no .: 166.0115
• Cylinder color: gray
• Cylinder material: aluminum
• Piston diameter: 59 mm
• Piston pin diameter: 15 mm
• Cylinder fixing centers: 62 mm and 64 mm