07 YZ450F - jetting & valve clearance ?

2 replies to this topic

Posted November 07, 2013 - 04:10 AM



I have very low hours Euro model 07 450, full stock, long 09 silencer.


and need stock valve clearence specs.



Edited by UNICAM, November 07, 2013 - 04:36 AM.

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  • grayracer513

Posted November 07, 2013 - 07:38 AM


You need a manual:






Valve clearances are .10-.15mm intake and .20-.25mm exhaust


Base jetting:



Posted November 16, 2013 - 10:47 AM


Thanks so much for valves, I am check them, all OK.

Carb has stock setup, go to 170MJ 48PJ and 1 clip richer needle, totally different bike now ;)

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