it will run with those jets on a 250 lidless but KLXster's dyno runs indicate you would be running lean on the top end.
350 is a different beast.

 

Your Factory Pro needle was/is a real head-scratcher... For the readers, his particular FP kit has a needle that is practically same as stock, but with a full set of clip positions/notches... Which, luckily, is actually quite useable with a lidless airbox CVK setup...