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dobber21
10-28-2008, 02:23 PM
my buddy is thinking about building a 400ex hybrid with a crf450 motor and my question is are there kits to modify the stock 400ex frame to accomadate the bike motor or is it all just home fabrication

i appreciate all answers and opinions thanx ahead of time

400exMO
10-28-2008, 02:59 PM
Search, this topic has been covered many many times. You will find more info. searching.

Here's one write up.
http://www.exriders.com/vbb/showthread.php?s=&threadid=90605&perpage=15&pagenumber=1

dobber21
10-28-2008, 03:09 PM
thanx for the thread i really appreciate it this one has alot of info

11-10-2008, 07:09 PM
I had a dude in Oconto do my 400ex/yz engine swap for only $270.

2muchquad
11-18-2008, 11:44 AM
I had a dude in Oconto do my 400ex/yz engine swap for only $270.

WTF?:D :devil: