Yamaha Lower Unit Assy - 6GR-42610-00-CE. The Yamaha Lower Unit Assy - 6GR-42610-00-CE is expertly crafted to provide superior performance and reliability for your Yamaha outboard motor. This lower unit assembly ensures a precise fit and optimal functionality, significantly enhancing the overall efficiency of your marine engine. Constructed from high-quality materials, it is designed to withstand the toughest marine conditions, offering exceptional durability and consistent performance.. With the Yamaha Lower Unit Assy - 6GR-42610-00-CE, you can experience smooth and efficient power transmission that minimizes drag and maximizes thrust. This results in improved fuel economy and a smoother ride on the water. Trust in Yamaha's commitment to quality and innovation with this lower unit assembly, ensuring your boat operates at its peak in all conditions, delivering a reliable and enjoyable boating experience.. This product has been superseded by: 6AH-45300-12-8D. 6GR-42610-00-CE - LOWER UNI