Yamaha Lower Unit Assy - 6E0-45300-11-EK. The Yamaha Lower Unit Assy - 6E0-45300-11-EK is engineered to deliver superior performance and reliability for your Yamaha outboard motor. This assembly is meticulously crafted to ensure a perfect fit and optimal functionality, enhancing the overall efficiency of your marine engine. Constructed with high-quality materials, it withstands harsh marine environments, offering long-lasting durability and dependable operation.. Designed to seamlessly integrate with your Yamaha outboard, the Yamaha Lower Unit Assy - 6E0-45300-11-EK provides smooth and efficient power transmission. Its advanced engineering minimizes drag and maximizes thrust, resulting in improved fuel economy and a smoother ride. Trust in Yamaha's commitment to excellence with this lower unit assembly, ensuring your boat performs at its best in all conditions.. This product has been superseded by: 6E0-45300-14-EK. 6E0-45300-11-EK - LOWER UNIT ASSY