Yamaha - Water Inlet Cover 6AW-45224-00-00. A well-functioning cooling system is essential for keeping a Yamaha outboard performing at its best, and the Yamaha Water Inlet Cover (6AW-45224-00-00) helps support proper water intake protection. Designed to help shield the water intake from debris, sand, and other contaminants, this cover helps keep cooling water flowing efficiently and can reduce the risk of clogs that may contribute to overheating. A worn or damaged inlet cover may allow unwanted buildup, putting additional strain on the cooling system over time.. Built for Reliability & Protection. Precision Yamaha Fit - Engineered to match Yamaha specifications for a secure fit and consistent sealing. Marine-Grade Durability - Designed to resist corrosion and wear in typical marine conditions. Optimized Water Flow - Helps maintain cooling efficiency by reducing the chance of intake blockage. Practical Applications. Helps protect the water intake from debris and buildup. Supports steady