400 into a 250f


1 reply to this topic
  • zombiekilla

Posted November 12, 2009 - 01:01 PM

#1

I have a 99 YZ400F that I was planning on doing a full engine rebuild on. A friend of a friend has a pristine '07 YZ250F chasis that he would sell me for a steal. It is totally complete minus engine. I got to thinking would the 400 motor fit and would it be a worthwhile swap. My 400 isn't my primary bike anymore so I could take my time. Has anyone ever done something like this?

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  • rmx250rider

Posted November 12, 2009 - 10:35 PM

#2

you would most likly have to cut and have someone reweld the mounts on





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