Ø39.90 mm cast iron piston cylinder Derbi Euro 3, Euro 4 Fifty gray type origin

Upper engine Fifty Derbi Euro 3 and Euro 4

Piston kit new complete adaptable for motorcycle 50cc Derbi Senda, Aprilia RX Gilera SMT... with motor Derbi Euro 3 egg Euro 4 since 2006. Also remember to replace the piston pin needle cage of dimension 12x15x15 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 set of seals
• 2 x piston rings
• 2 x circlips
• 1 x gudgeon pin

Technical characteristics and dimensions of the cylinder block kit

• Mark: Fifty moto parts
• Cylinder color: gray
• Cylinder block material: cast iron
• Piston diameter: 39.90 mm
• Piston pin diameter: 12 mm
• Cylinder fixing center distance: 52 mm