thanks everyone for the suggestions i made a mixture of 2 stroke oil marvel mystery oil and a little pb blaster in a qt container and put it in the tank and ranit for about an hour and a half to no avail. so i started brushogging with it and it still was popping bad . plus i had a massive cloud around me. i was loosing power but she kept running, after about an other hour she stopped popping and started to smooth out and the power started comming back . so it looks like possibly the valve loosened up . so i will keep running the fuel till its gone then change the plugs but i must admit it sound normal again.
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