Yamaha Lower Unit Assembly - 200/225 (66K-45300-12-NA) is an essential component designed to keep your Yamaha outboard engine running at its best. This lower unit assembly is compatible with 200 and 225 HP models, ensuring a perfect fit and smooth integration. Crafted from high-quality materials, it offers outstanding durability and resistance to corrosion, making it suitable for various marine environments. The precision engineering ensures reliable and efficient performance, significantly enhancing the overall lifespan and functionality of your engine.. The Yamaha Lower Unit Assembly - 200/225 (66K-45300-12-NA) provides smooth power transfer and robust performance, delivering improved control and handling for your boat. Its rugged construction ensures your outboard motor can withstand the demands of regular use, whether in recreational or commercial settings. Trust this lower unit assembly to uphold Yamaha's high standards of quality and reliability, ensuring a worry-free and enjoyab