Valve Clearances on the '04 YZ450F


4 replies to this topic
  • LeXRider

Posted October 20, 2009 - 10:57 PM

#1

I could use a little help from someone with a service manual. Can anyone tell me the correct valve clearance specs for an '04 YZ450F? Thanks for any information you can share, I do appreciate it.

  • WB450

Posted October 21, 2009 - 06:51 AM

#2

Here is your manual.

http://www.yamaha-mo...ice/manuals.jsp

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  • ForsheeMS

Posted October 21, 2009 - 06:55 AM

#3

In metric it's:

Intake: .10mm to .15mm
Exhaust: .20mm to .25mm

In inches it's:

Intake: .0039" to .0059"
Exhaust: .0079" to .0098"

It's the same for 2003 through 2009.

  • grayracer513

Posted October 21, 2009 - 07:13 AM

#4

In inches it's:

Intake: .0039" to .0059"
Exhaust: .0079" to .0098"

.004 - .006 & .008 - .010 :bonk:

  • LeXRider

Posted November 22, 2009 - 03:48 PM

#5

Thanks guys.





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