im 14 turning 15 on tha 19th n im lookin for a new bike. i gotta rm 80 now, n used 2 hav a xr80 so im goin baq 2 4 stroke. i wuz thinkin about the crf150r expert, but also heard bout the yz250f. im not sure if the yz is too much bike 4 me. wut do u think??