Question about 89' xr600 in 400ex frame?

[quadboy1988]

i wanna do a project that i can fit a xr600 and 89' in a 400ex frame..does any1 think it is possible...also all help is appreciated..

[Toadz400]

Yep it's possible, but you have to do a lot of fabrication for it to work. Do a search, one was just recently done I believe.

[sharkinthepool]

Yeah it can be done. William Yokley and his partner did something similar to a 400ex for the baja race. I am not sure but I think they used the XR650 engine.