Yamaha - Float Carburetor Fuel System 6E5-14385-02-00. Overview. If you've worked on carbureted Yamahas, you know the float plays a big role in how clean the motor runs. When it's working right, fuel levels stay steady and the engine just hums along. But once it starts sticking or gets saturated, things go sideways fast-flooding, rough idle, or inconsistent performance. It's a small part, but getting it right makes a noticeable difference out on the water.. Key Features. Accurate Fuel Level Control - Maintains proper fuel height in the carburetor for smooth operation.. Lightweight Float Design - Responds quickly to fuel changes for consistent performance.. Fuel-Resistant Construction - Built to withstand constant fuel exposure without degrading.. Direct Replacement Fit - Matches original specifications for proper alignment and easy installation.. Engine & Boat Compatibility. Designed for Yamaha 2-stroke outboard engines equipped with carbureted fuel systems. Commonly used on smaller ho