07 YZ450F - jetting & valve clearance ?


2 replies to this topic
  • UNICAM

Posted November 07, 2013 - 04:10 AM

#1

Hello.

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

 

and need stock valve clearence specs.

 

Thanks.


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


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  • grayracer513

Posted November 07, 2013 - 07:38 AM

#2

You need a manual:

 

http://www.yamaha-mo...uals/index.aspx

 

http://www.yamahaown...ook.com.au/?r=0

 

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

 

Base jetting:

http://www.thumperta...47#entry5850947



  • UNICAM

Posted November 16, 2013 - 10:47 AM

#3

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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