Yamaha - Float Chamber Assembly Carburetor Component 6C5-14180-03-00. Overview. When a carb isn't running right, a lot of times the issue comes down to what's happening inside the float chamber. This assembly is what holds and manages fuel before it feeds into the engine, so if it's off, you'll feel it in idle and throttle response. I've worked on plenty of setups where inconsistent fuel levels traced back here. Getting a solid assembly in place keeps everything running smooth and predictable.. Key Features. • Fuel Level Management - Maintains proper fuel storage for consistent carburetor operation.. • Stable Fuel Delivery - Helps ensure smooth and even fuel flow into the engine.. • OEM Fit Accuracy - Matches Yamaha factory specs for correct sealing and alignment.. • 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