This carburetor repair kits suitable for GS125 GZ125HS GN125H motorcycle, I have marked the detailed dimensions on the picture. I suggest comparing the sizes and then buying them. To avoid the wrong purchase.Repair kits are configured vacuum diaphragm plunger assembly and maintenance will be more convenient.Plunger assembly configured Jet needle (JN) and Needle jet (NJ), which is for maintenance, greater convenience. Because a lot of carburetor malfunction is Jet needle (JN) and Needle jet (NJ) caused by wear and tear.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: