Yamaha Anode 6U1-45251-00-00. Overview. The Yamaha Anode 6U1-45251-00-00 is a genuine original equipment manufacturer component designed to protect your outboard motor from corrosion. This sacrificial anode works by attracting corrosive elements in the water, helping prevent damage to vital metal components and extending the life of your engine.. Engineered to Yamaha's exact specifications, this anode provides a precise fit and reliable protection. It is an essential maintenance part, especially