Heres the story....Rode my warrior for a few hours..in mainly mud. Came home washed it and road it around put it away for the night started it up again the next day no problems. Today..which is about 5 days later..started it up no problems idles but when about 3/8's throttle back fires like a ******. Replaced spark plug, cleaned air filter,and replaced gas..took carb off and very clean inside....sum up of story quad will not run after 3/8 throttle. Any help????? I really want to bypass the dealer. I also check all connections