Yamaha - Float Chamber Gasket Carburetor Sealing Component 6AH-14384-00-00. Overview. When you're dealing with carb issues, a lot of times it comes down to something simple like a worn gasket. This float chamber gasket keeps fuel sealed inside the bowl where it belongs, so the carb can do its job properly. Once it starts to dry out or flatten, you'll notice leaks or rough running pretty quick. It's one of those small parts that makes a big difference in keeping your engine running clean and steady.. Key Features. Fuel Bowl Seal Integrity - Creates a tight seal between the float chamber and carburetor body.. Leak Prevention Design - Helps eliminate fuel seepage and maintain safe operation.. OEM Precision Fit - Matches Yamaha specifications for correct alignment and sealing.. Fuel-Resistant Material - Built to handle constant exposure to fuel and engine heat.. Engine & Boat Compatibility. Designed for Yamaha outboard engines equipped with carbureted fuel systems using this style of float