Kit Cylinder Allpro 70cc Derbi Euro 3/4 and Carburettor 21mm Allpro

AllPro kit consisting of Cylinder 70cc and Carburettor 21mm, designed for Derbi (Piaggio) D50B0 Euro 3/4 engines. This set offers a complete solution for increasing displacement to 70cc, while maintaining compatibility with the vehicle inspection and ensuring safe and reliable installation on compatible scooters and mopeds.

The Cylinder AllPro IRON 70cc is made of iron and is supplied with piston, gasket set, and cylinder head with head insert. On the outside of the Cylinder, the measurement 49.9 cm³ is engraved, ensuring that there are no issues during the vehicle technical inspection. This Cylinder is recommended for daily use and improves engine acceleration and response, especially when combined with Sport-type exhausts such as VOCA Rookie 50/70cc or VOCA Warrior 50/70cc.

The kit includes the Carburettor AllPro Black 21mm, ideal for 70cc setups. Its design allows easy adjustments thanks to the metal float bowl with central screw for removing the main jet, and a threaded cap that provides easy access to the needle and its removal. It is equipped with a vacuum port, separate oiling connection, and manual cable choke.

Technical data for the Carburettor

• Connection intake: 25 mm
• Filter intake: 32/27 mm
• Original setup: main jet 90, secondary jet 45, W16 needle
• Spare parts compatibility: Uses 5 mm jets shared with Dell’Orto PHBG type

The kit includes

• Cylinder AllPro IRON 70cc AP15CY71.193 with piston, cylinder head, and head insert
• Carburettor AllPro Black 21mm AP30CB21.BLACK with mounting accessories

Main features

• Complete Cylinder and Carburettor kit for Derbi D50B0 Euro 3 engines
• Iron Cylinder with displacement increased to 70cc and external engraving for vehicle inspection
• 21 mm Carburettor with easy adjustment and quick maintenance
• Recommended for daily use and sport setups with Cylinder BigBore
• Compatible with Sport-type exhausts (VOCA Rookie or Warrior)
• Facilitates installation and spare parts traceability.

Application

Kit adaptable to mopeds with Derbi (Piaggio) D50B0 Euro 3 engine, including models such as Derbi DRD 50cc/70cc and Derbi GPR 50cc/70cc. Ideal for combinations with a Sport-type exhaust and 21 mm Carburettor.

Important

The Cylinder requires an M14x1.25mm temperature sensor; to adapt the original sensor, the NK103.78 adapter is required. Before purchase or installation, verify compatibility with the engine and the kit parts. It is recommended to follow the manufacturer's instructions for installation and adjustment of the Carburettor and the Cylinder.