yzf 450 missing at steady throttle

3 replies to this topic
  • shade

Posted July 31, 2006 - 05:16 PM


hey i got a yzf 450 , o4 that has a slight miss when holding a steady throttle.it does not matter what rpm your at. it runs and pulls hard. this bike was a leftover and has only about 8 hours time on it. some one help me!!!!!!!!!

  • Alex_YZ450F

Posted July 31, 2006 - 05:58 PM


It may need to be re-jetted and have the fuel crew adjusted.

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  • yzf450jack

Posted July 31, 2006 - 06:11 PM


Jetting is too rich

  • yz426em

Posted August 01, 2006 - 05:35 AM


Mine is doing the same thing, and it just started last weekend even the back fender has black stains on it now from the exhaust. I have alot of hours on this bike this year and never had a problem like this?

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