Race-Driven Carburetor Intake Manifold Joint Boot OEM #3HN-13586-00-00. You will receive 1 carb joint to fit the following: 1993 1994 1995 1996 Yamaha Kodiak 400 YFM400 4x4 Race-Driven Carburetor Intake Manifold Joint Boots are made to meet or exceed OEM and other aftermarket specifications and has high quality rubber for extended life. Steel reinforced rubber intake manifold replaces old worn out and cracked manifold ensuring a tight, air-leak free seal. Intake boots become dried out and cracked over time causing air leaks which lead to lean running engines that prematurely fail. Race-Driven is committed to bringing the highest quality products to all riders.