Note: This accessory is a third-party product and is not manufactured or endorsed by .It is compatible with Yamaha YFM250 350 400 450 660. Description This starter relay solenoid is tailored for ATVs, providing seamless compatibility and optimal performance. Its electromagnetic mechanism ensures precise electrical control, making it a reliable choice for starting your Ideal for outdoor enthusiasts, it supports smooth operation during rugged landform exploration. Features -Color:Black -Material:Plastic -Size:5.30X4.80X4.10cm/2.08X1.89X1.61in -winch switch solenoid: specifically engineered for motorcycles, this relay enhances compatibility and starting reliability -Enhanced durability: built with materials to extend service life, reducing the inconvenience of frequent replacements and ensuring consistent performance -atv starter relay solenoid: features advanced circuitry to avoid voltage spikes, maintaining the integrity of your motorcycle's electronic systems -Quick installation: designed for easy setup, this relay can be installed without professional tools, making it accessible for diy users and professionals alike -All-weather reliability: capable of operating smoothly in challenging conditions such as rain, mud, or dust, ensuring dependable starts in any environment Package list: 4 x Motorcycle relay