At present, the popular motorcycle styles are EFI version and carburetor version. These two kinds of engine supply systems are the most important two ways. With the improvement of modern science and technology, most motorcycle throttle accessories will develop in the direction of energy conservation and environmental protection. From the perspective of the motorcycle with carburetor version, the role of the motorcycle carburetor is to ignite and burn the combustible gasoline in the engine cylinder in the atomized form to push the piston. Carburetor motorcycles and EFI motorcycles have their own advantages. But in terms of acceleration performance, carburetor motorcycle is better than EFI motorcycle. In fact, the acceleration performance is related to many motorcycle throttle accessories. Under the influence of these factors. The acceleration performance of carburetor motorcycle is generally better than that of EFI motorcycle.