Cylinder piston cast iron Ø40 mm Minarelli vertical MBK Booster, Yamaha Bw's ... 50 2T Polini

Upper engine Polini MBK Booster, Yamaha Bw's ...

Brand new complete piston liner kit adaptable for 50cc 2 stroke scooter with vertical 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
• 1 x carbon flap slide

Technical characteristics and dimensions of the cylinder block kit

• Mark: Polini
• Manufacturer no .: 166.0092
• Cylinder block material: cast iron
• Piston diameter: 40 mm
• Piston pin diameter: 10 mm