V.2 70cc cylinder kit for Piaggio / Derbi D50B Euro3. The proven 70cc Naraku cylinder kit is available in the V.2 version for D50B0 engines, manufactured up to 2018 (Euro3).

• The shape has been adapted to the original D50B0 cylinder.
• The cylinder is painted in factory silver color, making it difficult to distinguish from the original.
• Available with a 70cc cylinder head, precisely matching the cylinder.
• The resulting compression ratio makes the kit suitable for daily riding with rich torque and excellent acceleration figures.
• High RPM and related noise levels were not a concern with this sporty cylinder.
• The thread of the cylinder head corresponds to temperature sensors, for models built up to 2018 with the Euro3 emission standard.
• The cylinder head also fits Euro4 models, requiring an additional thread adapter NK103.78.
• The kit is recommended for stock and sports exhaust systems.
• It is recommended to increase the carburetor jet by about 7-10% if the original carburetor remains installed.
• It is recommended to use a sports carburetor (19mm).