Yamaha Lower Unit Assy - 6G8-45300-14-EK. The Yamaha Lower Unit Assy - 6G8-45300-14-EK is designed to provide exceptional performance and reliability for your Yamaha outboard motor. This lower unit assembly ensures a precise fit and optimal functionality, significantly enhancing your marine engine's overall efficiency. Constructed from high-quality materials, it is built to withstand the harshest marine environments, offering long-lasting durability and consistent performance.. Experience smooth and efficient power transmission with the Yamaha Lower Unit Assy - 6G8-45300-14-EK, which minimizes drag and maximizes thrust. This results in improved fuel economy and a smoother ride on the water. Trust in Yamaha's dedication to quality and innovation with this lower unit assembly, ensuring your boat operates at its peak in all conditions, providing a reliable and enjoyable boating experience.. This product has been superseded by: 6G8-45300-16-EK. 6G8-45300-14-EK - LOWER UNIT ASSY