Yamaha - Float Chamber Body Carburetor Fuel Reservoir Component 7CT-14181-00-00. Overview. The float chamber body is one of those parts that quietly keeps everything running right. If it's worn or compromised, you'll start seeing fuel issues like flooding or inconsistent performance. I've worked on carbs where this was the root of the problem after everything else checked out. When it's solid and sealed, the engine runs steady and predictable like it should.. Key Features. • Fuel Reservoir Function - Holds and regulates fuel supply within the carburetor for consistent operation.• Precision Internal Design - Supports proper float and needle operation for accurate fuel control.• OEM Fit and Sealing Surface - Matches factory specifications for proper assembly and leak prevention.• Stable Fuel Delivery Support - Helps maintain smooth engine performance across throttle ranges.. Engine & Boat Compatibility. Designed for Yamaha outboard engines equipped with carbureted fuel systems that utili