The size of the parts is marked on the picture, please compare before purchasing. All parts of this repair kit are processed by CNC equipment, and the accuracy is consistent with the original. It is equipped with a plunger diaphragm assembly, an accelerator pump assembly, an air-fuel ratio screw with a rubber ring, a gasket and a spring, and a bottom shell sealing gasket, which is very important for maintenance. The main jet is equipped with 128/130/132/135/138. The pilot jet is equipped with 35#/38#.