Yz450f airboot diameter

2 replies to this topic
  • H-B-R

Posted September 07, 2013 - 10:33 AM


I'm working on a little project and it looks like the airboot from an '03-'05 or '06-'09 yz450f has the correct shape I'm looking for. What I can't seem to find is the diameter of the airboot where it slips onto the carb.

Would anyone happen to know the diameter of the carb/airboot?


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  • nuity5

Posted September 08, 2013 - 05:09 PM


03 YZ450F - Looks like basically 55mm. I didn't pull it to be 100% sure but my 03 YZ250F appears to have basically an identical airbox in case you can find one of those eaiser. Here's a pic of the carb entrance. Clay



  • H-B-R

Posted September 10, 2013 - 05:07 PM


Thank you. That helps a lot

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