Would a CR250 engine fit into a.....

[wad]

Would a CR250 bike engine fit into a 200x frame without having to butcher it to bits??

[TwoHundredEx]

Air cool or liquid cooled?
Air cooler would definitely not fit.
My 175cc 2 stroke air cooler just barely in my 200X frame, so I don't see a 250 sitting in there without some extensive frame work.