Yamaha Lower Unit Assembly 61A-45300-20-EK - Ensure your outboard motor operates at peak performance with this Yamaha lower unit assembly. Crafted with precision and durability in mind, this assembly is designed to withstand harsh marine environments. The robust construction and high-quality materials provide exceptional reliability, making it an essential component for maintaining your engine's efficiency and longevity.. The Yamaha Lower Unit Assembly 61A-45300-20-EK offers excellent stability and strength for smooth and consistent operation on the water. Ideal for both professional and recreational boating, it helps enhance your overall boating experience. Trust in Yamaha's engineering excellence to keep your outboard motor running smoothly, providing you with peace of mind and superior performance in every journey.. This product has been superseded by: 61A-45300-22-EK. 61A-45300-20-EK - LOWER UNIT ASSY