yz426 in yz400 frame

2 replies to this topic
  • Adam842

Posted December 23, 2014 - 01:37 PM


Hey would a yz426 motor drop right in a yz400f frame without any modification?

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  • grayracer513

Posted December 25, 2014 - 07:43 AM


Straight bolt-in.  The only conflict is that in '02 (?) the size of the swing arm pivot changed, bu the steel inserts in the cases at that point can be swapped for the ones that fit if that turns out to be a problem.

  • Adam842

Posted December 25, 2014 - 11:01 AM


ok thanks

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