The Yamaha OEM WaveRunner / Boat Engine Water Flush Flusher Hose MWV-FLUSH-HS-RD is a genuine accessory designed specifically for Yamaha watercraft engines. This hose allows for easy flushing of water through the engine's cooling system, ensuring optimal performance and maintenance. With its high-quality materials and precise fit, this product ensures a reliable and efficient flushing experience for your Yamaha WaveRunner or boat engine. Ideal for keeping your engine clean and running smoothly, this flusher hose is a must-have accessory for any watercraft enthusiast.