426 carb question


2 replies to this topic
  • yz400fsmasher

Posted May 16, 2009 - 02:32 PM

#1

will the 426 carb fit a 98 400f? if so would any carb adjustments needed?

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  • freetimeod

Posted May 16, 2009 - 02:35 PM

#2

Yes, it will fit just fine. It is a newer FCR so the hotstart will be on the carb vs. on the frame. Should have to do very little in the way of adjustments.

  • grayracer513

Posted May 16, 2009 - 07:18 PM

#3

Normal jetting. Depending on what's in it now, it should be pretty close. Be sure you cap off the vacuum port for the 400 hot start tube.





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