Yamaha - Lower unit assy - 6FJ-45300-10-8DYamaha Lower Unit Assy 6FJ 45300 10 8D Upgrade your Yamaha outboard with the Yamaha Lower Unit Assy 6FJ 45300 10 8D. Engineered for maximum durability and efficiency, this lower unit assembly ensures smooth and reliable performance in diverse marine conditions. Its precision design provides optimal power transfer and gear ratio, contributing to a robust and dependable boating experience. Constructed from high quality materials, this assembly is built