Yamaha - Float Chamber Gasket Carburetor Sealing Component 6E5-14384-03-00. Overview. When a carburetor starts leaking or running inconsistently, a worn float chamber gasket is often the culprit. It's a simple piece, but it plays a big role in keeping fuel where it belongs and maintaining proper pressure inside the carb. Over time, heat and fuel exposure can cause it to harden or crack. Replacing it is one of those small fixes that can make a noticeable difference in how your engine runs.. Key Features. Fuel Seal Integrity - Creates a tight seal between carburetor components to prevent leaks.. Fuel-Resistant Material - Built to withstand constant exposure to gasoline and engine heat.. Precision Cut Design - Matches carburetor surfaces for proper fit and alignment.. Direct Yamaha Replacement - Installs easily with no trimming or modification required.. Engine & Boat Compatibility. Compatible with a wide range of Yamaha carbureted outboard engines using float chamber-style carburetors. C