This carburetor repair kits suitable for KPS Zephyr 400 Keihin carburetor,The repair kit is equipped with a vacuum diaphragm and a float, which is more convenient for maintenance.the proposed purchase of 4 sets of full replacement, when adjusting the mixing ratio, it will be easier.Repair kits purchased two sets or more, there will be a 5% discount.The following pictures are taken in kind, in the following picture has labeled part of detailed dimensions, you can compare the size: