General description The carburetor is the heart of the engine, responsible for mixing fuel and air to ensure optimal combustion. Replacing old or damaged carburetors can significantly enhance the engine's power performance. This carburetor is designed for Mercury 4-stroke outboard motors with 4HP, 5HP, and 6HP, and is a reliable upgrade to improve fuel efficiency and engine smoothness. Technical specifications OEM Part Numbers: 3R1-03200-1, 3AS-03200-0, 3R1-03200-1-00 Other information