2006 YZ450f Jetting?

3 replies to this topic
  • Raziobiologic

Posted October 12, 2015 - 06:59 PM


Hi thumpers, was wondering what jets i need for my yz450f. The bike has a full GYTR exhaust system and is at an elevation of 100-2000ft (russell,Massachusetts). I believe it is running lean atm.

  • Krannie McKranface

Posted October 12, 2015 - 07:44 PM



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  • Raziobiologic

Posted October 12, 2015 - 07:53 PM


mines 2006 though?

  • grayracer513

Posted October 13, 2015 - 07:07 AM


Here's the correct link:




At that altitude, a 45/168/NFPR-4 combo should be about right.

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