trx250 in a 200x?

[vartiak15]

will a trk250 motor fit in a 200x? Or a xr200motor fit in a 200x? not going to do,well mabye some day but I'm it just wondering.

[samster143]

I am pretty sure the xr200 motor will fit w/ no mods, however, the 250 motor will not fit w/out modification to the frame.