HELP ..will a yzf450 motor fit on a yz250 frame

[wayne421]

:ride: i have an 07 yz250f and i wana put a 450f motor on it wiil it fit and do u think its worth doing

 

[Rich Rohrich]

It will physically fit if you have a TIG welder and fabrication skills. Making it handle properly takes a whole different set of skills.

 

[wayne421]

So they are 2 diff frames

 

[stumanarama]

Do the right thing, and buy that two stroke you always wanted. :nod: