Ø39.90 mm cast iron piston cylinder Derbi Euro 3, Euro 4 dark gray original type

Upper engine Derbi Euro 3, Euro 4

Piston kit new complete adaptable for motorcycle 50cc Derbi, Gilera, Aprilia... with motor Derbi Euro 3 and 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
• 1 x set of piston rings
• 2 x circlips
• 1 x gudgeon pin

Technical characteristics and dimensions of the cylinder block kit

• Brand: generic
• Color of cylinder: dark gray
• Cylinder block material: cast iron
• Piston diameter: 39.9 mm
• Piston pin diameter: 12 mm