Main jet yzf 450-07


1 reply to this topic
  • Per Erixon

Posted November 15, 2006 - 04:28 PM

#1

Hello!
Should i change the main jet after running in the engine?
Thank you!!!
/ Per

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  • grayracer513

Posted November 15, 2006 - 05:06 PM

#2

If the jetting needs to be changed, it matters not whether the engine is broken in or not. If it needs doing, do it. If not, don't. One has little to do with the other.





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