[L30N]

gy6 150cc, iv fixed many problems over the last couple days reading through all of the threads so thank yall for getting me this far, it seems im almost there but i think i have an issue with my float, my carbs been cleaned twice so i know thats not the problem, before i wasnt getting enough gas so i bent my float down a good ways, got a few good revs but flooded like crazy, took it back apart and bent it back up a little, itll run for 30 sec to 2min before shutting off abruptly, but theres also a back fire/spark in the carb (i have the air filter off) the back fire wants me to assume i need to ajust my float back up some more, but it shutting off after a min makes me want to think to bring it down?? when it is on it revs up very nicely