Vergaser 4-Takt 49ccm GY6 139QMB/QMA

The NovaParts 4-stroke carburetor, also known as a diaphragm carburetor, is a universal spare part, especially for the standard GY6 engine, also known as 139qmb/qma. It is equipped with a main jet of 85 (4mm) and a secondary jet of 33. The connection width is 28mm on the intake manifold and 38mm on the air filter.

Function and meaning:

The carburetor plays a crucial role in the engine's fuel supply. Its main function is to mix air and fuel and direct them into the combustion chamber. This creates the optimal air-fuel mixture necessary for smooth engine operation.

Why should it be renewed:

Replacing the carburetor is necessary when problems with the fuel supply occur, such as difficulty idling, poor acceleration or engine stuttering. Contaminants, clogged jets or worn parts can affect the performance of the carburetor.

Material and functionality:

The NovaParts 4-stroke carburetor is made of high-quality materials and has a specific jet configuration to precisely control the fuel supply. By correctly adjusting the main and secondary jets as well as the connection widths, the carburetor ensures an optimal fuel-air mixture for efficient engine operation.

This carburetor is an essential spare part to optimize fuel delivery and improve engine performance of your scooter. NovaParts offers high quality spare parts to maintain and care for your scooter to ensure a smooth ride and reliability.