Yamaha - Float Carburetor Fuel Control Component 6CB-14985-00-00. Overview. This is one of those small carb parts that can cause big headaches when it's off. The float controls fuel level inside the carb, and when it's not doing its job, you'll see it right away-flooding, rough idle, or fuel starving under throttle. I've dealt with plenty of carbs where the issue came down to a worn or saturated float. Getting this dialed in keeps fuel delivery steady and the engine running clean.. Key Features. • Fuel Level Regulation - Maintains proper fuel height inside the carburetor for consistent operation.. • Balanced Float Design - Ensures stable movement to prevent flooding or fuel starvation.. • OEM Fit Accuracy - Matches Yamaha factory specs for proper alignment and function.. • Fuel Resistant Construction - Built to handle constant fuel exposure without degrading.. Engine & Boat Compatibility. Verify compatibility with your specific Yamaha outboard model and part number before installation.