you need to go with what you think is right for you i switch last year i a almost racing in the pro class and my 125 couldnt keep up but with my kx250f im right there of the hole shot i will never et a 2 stroke ever 4 strokes kick ass you will like it awhole lot better
the 250 f has more power and
the 250 f has more power and is just as good as a 125 2 smoker
125s or 250f
you need to go with what you think is right for you i switch last year i a almost racing in the pro class and my 125 couldnt keep up but with my kx250f im right there of the hole shot i will never et a 2 stroke ever 4 strokes kick ass you will like it awhole lot better