70cc 47mm Cylinder Kit with Head – Derbi NT D50B0 – Cast Iron

This 70cc 47mm cylinder kit is designed for Derbi NT D50B0 2-stroke liquid-cooled engines and provides a noticeable performance upgrade over the standard 50cc setup.

With a 47 mm bore, the cylinder increases displacement to approximately 70cc, delivering improved acceleration and stronger torque.

Manufactured from cast iron, the cylinder ensures durability and long service life. The kit includes a modular cylinder head consisting of an inner and outer head for efficient heat distribution.

Technical specifications:

• Application: Derbi NT D50B0
• Displacement: 70cc
• Bore: 47 mm
• Material: Cast iron
• Cooling: Liquid cooled (LC)
• Wrist pin: 12 mm
• Tuning level: Sport

Supplied including:

• 47mm cast iron cylinder
• Inner cylinder head
• Outer cylinder head
• Gasket set
• 47mm piston P12
• Wrist pin
• 2x Wrist pin clips
• Piston rings

Spare parts:

Gasket set:

70cc Derbi NT DMP Cylinder Gasket Set

Also known as 70cc Derbi NT 47mm cylinder kit, Derbi D50B0 cast iron 70cc kit or 47mm Derbi NT cylinder with head.