Honda crf250r red hot pipes

So I found a mint 06 Honda crf250r with a fmf pipe on marketplace that did not run bc of the carb. Cleaned the carb last night but now when I get it started after 25-50 kicks it will not idle so you have to rev it to keep it running and then after about 30 seconds the header pipe get bright red hot. Any suggestions on what I should do?
 
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