High Compatibility: Designed to fit a range of outboard motors, this carburetor is compatible with Nissan, TOHATSU, Mercury models including MF3.5, MFS4, MFS5, and NFS4. Ensures a perfect match for engines from 3.5HP to 6HP, enhancing engine efficiency and performance. Enhanced Engine Performance: Experience improved engine response and efficiency with our carburetor. Tailored to boost your boat's performance, it ensures smoother operation and optimal fuel economy, making it ideal for marine adventures. Durable and Reliable: Crafted from high-quality materials, our carburetor withstands the harsh marine environment, offering longevity and reliability. Its robust construction ensures it performs well under various maritime conditions, providing peace of mind during your sea journeys. Easy Installation: This carburetor is engineered for a straightforward installation process, saving you time and effort. It comes with all necessary fittings, making it easy to replace your old or carburetor without the need for professional help. Origin and Certification: Proudly made in Mainland China, this carburetor does not currently hold any specific certifications but is built to meet high-quality standards. It is a testament to our commitment to providing dependable and efficient boat motor components. Description/Features: Compatibility: This boat motor carburetor is designed as a replacement for Nissan, TOHATSU, Mercury, and Mariner 3.5HP, 4HP, 5HP, and 6HP 4-stroke outboard engines from 1999 to 2017. It ensures a perfect fit and seamless function with these specific models. High Production Standards: Manufactured to meet the highest production standards, this carburetor ensures an optimal mixture of fuel and air, allowing the engine to run smoothly and efficiently. It effectively prevents common issues such as fuel shortage or ove