YZ426 frame

I have a 2000 YZ426 frame, I am told that a YZ250F engine will bolt in if you use the 250F engine mount brackets, Is this correct? What kind of mods would need to be done to convert over to a 250F on this frame?

why down grade to a 250f :thumbsup:

Yes good question, I think I am going to try to find the parts to rebuild it as a 426. I need forks, wheels, plastics and seat, I have the bottom end but need the cylinder and head

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