'05 YZ450F Motor in a '04 YZ450F Frame

3 replies to this topic
  • dirtbikeguy09

Posted May 01, 2009 - 06:58 PM


Hi All,

First post.

I've come across a 2004 YZ450F with a blown motor (the piston cracked through case). I've also located a 2005 YZ450F engine that would, ideally, be transplanted into the '04s body. Would it work without modification?

Thank you

  • grayracer513

Posted May 01, 2009 - 07:55 PM


'03~'05 are interchangeable.

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  • Chrome Speedo

Posted May 02, 2009 - 02:56 PM


I agree. It will fit without a problem.

  • dirtbikeguy09

Posted May 02, 2009 - 03:53 PM


Thanks a lot!

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