im sorry, but stop waffling rubbish mate. ive been on many 2stroke bike and many fourstrokes, granted ive not ridden a 250f...... but ive ridden a 450f and my old 400f, basically they are faster and have way more power/torque than my old kx125. they were a doddle to ride, fair play you mash open the throttle and you need to use all your strength to hold on to em, but the power delivery was way smoother than my 2 stroke, you could go into a slow corner in 3rd and just open it up coming out and it just kept pulling, you need to remeber what gear your in on a 2 stroke, and think about your rpm and shift all the time. 4 strokes are much easier to ride in that respect, the power is predicatable and smooth. you try getting on a 2 stroke like say a cr250 or kx250 and saying its smooth and predictable lmfao, it'll spit you off the back the second you hit the powerband if your not used to it. but yeah your bike will be alot heavier too, but in no way is it harder to controll. good 2strokes are animals, 4 strokes are plodders- sure nowadays they are getting realy fast but they will always be plodders lol.