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

Upper engine Derbi Euro 3, Euro 4 adaptable gray

Kit piston complete new piston adaptable for motor bike 50cc Derbi Euro3 and Euro4. 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
• Cylinder block material: cast iron
• Piston diameter: 39,90 mm
• Piston pin diameter: 12 mm