hi have 2001 yamaha warrior 4wheel just bought 3 week oldago . run goodsome time no program. then couldnt get to start brought in put charger onand start up and ran around and came back next day start right up start ride put the gas on and start back fire or mis. put in side came out play with see wrong with it wouldnt start . some friend came over help find out need a starter. so put the starter but still mis fire. check spark plug and put new in check fuel filter gas going through it put additve in gas and newfuel .what should do now pull carburetor and clean.