Cylinder piston cast iron Ø40 mm Minarelli horizontal liquid MBK Nitro, Yamaha Aerox... 50 2T Polini

Upper engine Polini Mbk Nitro, Yamaha Aerox, Malaguti F12, Aprilia SR ...

New complete piston liner kit adaptable for 50cc scooter with horizontal liquid-cooled Minarelli engine. Also remember to replace the piston pin needle cage of dimension 10x14x13 mm which is not supplied in the high engine kits (this bearing is sold separately).

This piston cylinder block kit includes

• 1 x cylinder block
• 1 x piston
• 1 x cylinder head
• 1 x set of seals
• 1 x set of piston rings
• 2 x circlips
• 1 x gudgeon pin

Technical characteristics and dimensions of the cylinder block kit

• Mark: Polini
• Manufacturer no .: 166.0094
• Cylinder block material: cast iron
• Piston diameter: 40 mm
• Piston pin diameter: 10 mm