#098J Motorcycle Carburetor Repair Kit Main Jet Sub Fit For Yamaha VMAX V-Max 1200 VMX12 (Silver) The repair kit is equipped with Jet needle (J.N.) and Needle jet (N.J.), In addition, a plunger vacuum diaphragm and a small diaphragm of the shut-off valve are also arranged. Which are the most easily damaged parts of the carburetor. Most of the carburetor malfunction, Related to these parts. Therefore, This is very helpful for maintenance work. Exquisite and delicate, perfectly matched with the original equipment. This motorcycle carburetor precisely meters the air-fuel mixture, ensuring optimal combustion for smooth throttle response and reliable engine performance across all RPM ranges.