Cylinder piston cast iron Ø40 mm Minarelli horizontal air MBK Ovetto, Yamaha Neo's ... Polini 50

Upper engine Polini for Minarelli horizontal air 50cc 2T

New complete piston kit kit suitable for scooter 50cc MBK Ovetto, Yamaha Neo's, Beta Tempo and other models with Minarelli horizontal 2 cooled enginear air. 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 .: 166.0093
• Cylinder block material: cast iron
• Piston diameter: 40 mm
• Piston height: 51 mm
• Piston pin diameter: 10 mm
• Piston pin length: 32 mm