Keep your Yamaha YFU1W or YFU1TW Pro Hauler Pro-4 running smoothly with this replacement starter relay solenoid. Specifically designed for 1989 models, this new solenoid is an essential electrical component that controls the flow of power to your vehicle's starter motor. When your original relay shows signs of wear or failure, such as clicking sounds without engine turnover or complete starter failure, this replacement part offers a direct fit solution. Built to match the specifications of your Pro Hauler's original equipment, this starter relay ensures reliable starting performance. Installing a new solenoid can help prevent starting issues and extend the life of your starter system. This component is compatible with both YFU1W and YFU1TW Pro Hauler Pro-4 models from the 1989 production year.