This starter relay is a high-quality aftermarket replacement built to fit Yamaha Moto-4 350 YFM350 ATV models manufactured between 1987 and 1995. It functions as the main power control unit for the vehicle’s starting system, delivering steady electric current to the starter motor for smooth engine startup.Feature with rugged sealed housing and premium internal parts, this relay can cope with harsh outdoor environments, resisting moisture, mud, high temperature and long-term bumpy vibration. It efficiently fixes typical starting faults such as intermittent cranking, constant clicking and no-start issue, serving as a reliable and cost-effective spare part for regular ATV maintenance.