im looking at buying a new bike this year,the last one i had was a 04 yz250 2-stroke.[coming off of a yz125]that i just couldnt get comfortable with[the 250]just seemed that the 250 had to much hit,i put a larger countershaft sprocket on [1 tooth increase from stock]that helped but i just could not get it down.sold it to move to texas,now i would like to get a new bike,i loved my yz125 but needed a little more power,250f sounds good ,but i think i may need more bottom end[offroad rider with occasional trips to the track]. i had a 99 yz400 and loved the motor[perfect for me],but hated the weight,is there a 450 out there with a comparable motor? is the 08 450 with its"easier to ride motor"be comparable?i ve ridden the 03-05 yzf 450 and it seemed a little to much hit. im 5-7" and way 180 lbs.been on off bikes for years but basically a mid level rider.i d like to be able to spend much more time ridding in the future,than ive been able to in the past,and need a bike that im comfortable on[power wise]. any recommedations?