Aluminum piston cylinder Ø40 mm Derbi Euro 3, Euro 4 R4 Racing

High engine aluminum R4 Racing to Derbi Euro 3

Kit piston complete new piston adaptable for motorcycle 50cc for Derbi Senda DRD Racing, Gilera RCR and other powered models Derbi Euro 3. 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 cylinder block
• 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: R4 Racing
• Cylinder material: aluminum
• Piston diameter: 40 mm
• Piston pin diameter: 12 mm