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View Full Version : would a crf 450 engin fit in a 400 ex



xplioo
06-09-2009, 08:34 PM
just wondering if a crf 450 engin would fit in my 2007 400 ex

matt14c
06-09-2009, 08:38 PM
Direct bolt in NO. You would have to fab the mounts. Also not sure where you would stick the radiator.

timmy400exfast
06-09-2009, 08:43 PM
dude check out the hybrid section they will telll you all you need to know and if you fab the mounts i think you could get it to work ive seen may of 400ex's with crf 450 motors it if you do do it post some pics of the build...good luck:devil:

xplioo
06-10-2009, 10:51 PM
i will be posting pics of it when i do it for shure

thebig450es
06-11-2009, 03:51 AM
I wish someone would come up with a "kit" to do the conv.