Yamaha - Carburetor Assembly 1 Fuel Delivery Component 6DR-14301-11-00. Overview. The Yamaha Carburetor Assembly 1 6DR-14301-11-00 is what keeps your engine running smooth and responsive by delivering the right mix of fuel and air. When a carb starts to wear out, you'll notice it quickly-rough idle, hesitation, or poor throttle response. Instead of chasing small issues inside the carb, replacing the full assembly is often the fastest way to restore consistent performance. This unit is built to handle marine conditions while keeping your engine running clean and efficient.. Key Features. • Precise Fuel & Air Mixing - Ensures efficient combustion and smooth engine operation.. • OEM Fit Precision - Built to Yamaha specifications for direct installation and reliable performance.. • Improved Throttle Response - Helps restore clean acceleration and steady power output.. • Complete Assembly Replacement - Replaces worn internal carb components in one unit.. Engine & Boat Compatibility. Verify