450 motor in a 400 frame


1 reply to this topic
  • supermotomanny

Posted July 01, 2014 - 12:54 PM

#1

Anyone know if a WR450 or YZ450 motor will fit in a 2000 WR400 frame

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  • flyandride

Posted July 01, 2014 - 05:24 PM

#2

Here's a thread that should answer your question.  

http://www.thumperta...450-infomation/






 
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