Yamaha Lower Unit Assembly - 225/250 (65K-45300-21-8D) is an essential replacement part designed to maintain the optimal performance of your Yamaha outboard engine. This lower unit assembly is tailored for 225 and 250 HP models, ensuring a perfect fit and smooth functionality. Crafted from high-quality materials, it provides exceptional durability and resistance to corrosion, making it ideal for various marine environments. The precise engineering guarantees consistent and reliable performance, enhancing the overall longevity and efficiency of your engine.. The Yamaha Lower Unit Assembly - 225/250 (65K-45300-21-8D) ensures smooth power transfer and robust performance, improving control and handling of your boat. Its sturdy construction allows your outboard motor to withstand the demands of regular use, whether for leisure or commercial purposes. By choosing this lower unit assembly, you are ensuring that your Yamaha engine upholds its high standards of performance and reliability, guar