put a new top end in,30 over,compression is good,around 110,rejetted 280 mains,30piolet,fmf pipes. shee starts up runs good then bogs out and dies when shee warms up.pulled the plugs and it is gettin spark BUT dont know if its strong enough. i let it sit for a while and she fires back up THEN it does it again! WTF!!! I dont get it HELP