ESL172 is a replacement stator for the OEM stator setup on your YFM50 or YFM80. It is a complete setup that mounts and plugs in just like OEM. This stator is manufactured using the highest grade materials for copper winding, cores, wiring, connectors and seals, and is a very cost effective replacement for your Yamaha ATV. Like all stators manufactured by ElectroSport: ESL172 also comes with a full one year warranty.