2 replies to this topic
  • jallenwalker

Posted June 05, 2015 - 02:27 PM


Does anyone on her know if I can use a yz450 cylinder and piston on my yz400f? I'm curious as to what the results would be. Thanks in advance for any help!! I really appreciate it!

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  • grayracer513

Posted June 05, 2015 - 02:46 PM


Can't use a 450 barrel, but you can use one from a 426.  With that, either use a 426 rod on your crank, coupled with a 426 piston, or the piston from an '04 450.


The resulting displacement will be 426.

  • jallenwalker

Posted June 10, 2015 - 03:34 AM


Okay thanks for the help.

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