Yamaha - Float Carburetor Fuel Control Component 6C5-14985-00-00. Overview. When a carb starts acting up-flooding, starving, or just running uneven-this is one of the first parts I check. The float controls fuel level inside the carb, and if it's off even a little, the engine won't run right. I've seen plenty of rough-running motors come back to life just from fixing this piece. It's simple, but it's critical to keeping fuel delivery steady.. Key Features. • Fuel Level Regulation - Maintains correct fuel height for proper carburetor operation.. • Balanced Float Design - Ensures smooth 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 continuous fuel exposure and engine heat.. Engine & Boat Compatibility. Verify compatibility with your specific Yamaha outboard model and part number before installation.. FAQs. Q1: What are signs this float is failing?A: Fl