Yamaha - Float Carburetor Fuel Control Component 6DR-14385-00-00. Overview. The Yamaha Float 6DR-14385-00-00 is a key part inside the carburetor that keeps fuel levels exactly where they need to be. It works with the needle valve to regulate how much fuel enters the float chamber, ensuring the engine gets a steady and balanced supply. When a float becomes worn, saturated, or misaligned, you'll notice it quickly-flooding, poor idle, or inconsistent performance. Replacing it is a simple way to restore proper fuel control and smooth engine operation.. Key Features. • Fuel Level Regulation - Maintains the correct fuel height inside the carburetor for proper operation.. • OEM Fit Precision - Built to Yamaha specifications for accurate movement and reliable performance.. • Supports Smooth Engine Running - Helps prevent flooding, hesitation, and uneven throttle response.. • Lightweight & Durable Design - Engineered to resist fuel absorption and maintain buoyancy.. Engine & Boat Compatibility.