I wanna say it´s like 20hp. I usually leave my petcock on. I ride EVERY day, I don´t actually own a car so the bike gets used. If you´re going to store the bike for the winter or something, fill the tank adding stabilizer of course, then turn the petcock off while the bike is running, this will clean any gas out of your carbs so you don´t have to clean them in the summer.