Stock Main Jet for 04 YZ450F

3 replies to this topic
  • mxdirtking

Posted February 27, 2010 - 05:26 PM


Im just woundering what size is the stock main jet for my 04 yz450f. I bought it recently and the guy i bought it from has no idea if it is jetted and its got a pipe on it and i pulled the jet out and it is a 165.

  • grayracer513

Posted February 27, 2010 - 08:05 PM


Your answer is here:


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  • mxdirtking

Posted February 27, 2010 - 09:59 PM


Nice! Thank you

  • detonator01

Posted February 28, 2010 - 12:03 PM



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