2007 CRF 250r Valve Shims
  • Swift-Rider
    Posts:49
    Joined:Fri Jun 05, 2020 7:51 am
    2007 CRF 250r Valve Shims

    by Swift-Rider » Sat Nov 07, 2020 12:20 pm

    I have a 2007 CRF 250r that I am rebuilding after purchasing it from someone. I am currently wrapping up the rebuild and trying to put the exhaust valves in spec. When putting in a smaller shim to make a bigger clearance, the shim seems to be so small that the walls of the valve spring retainer are bigger than the actual shim. When trying to measure it again I cant get a accurate reading because the valve spring retainer walls are in the way and its continuously giving me the same reading over and over again. What would cause me needing to put in a shim so small that the valve spring retainer walls are taller than the shim itself therefore not allowing me to adjust to the proper clearance?
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    JimDirt
    Posts:4406
    Joined:Sat Nov 25, 2006 6:31 pm

    Re: 2007 CRF 250r Valve Shims

    by JimDirt » Mon Nov 09, 2020 8:49 pm

    Can you post a picture of what you are running into ???? , I can't think of any logical reason why the shim would not be above the retainer ring , unless the valve spring retainer clips are installed wrong , or something like that .... pics would definitely help in this situation ....

    You need a image hosting site to upload pics , what I use is IMGUR , you make a account (free) , then you upload your picture to that , then click on the image once it is uploaded , then look on the right and it will have links to copy/paste into your post

    Use the BB Code for Message Boards , it will look like this [img]https:/ /i.imgur.com/HnPmgXU.jpg[/img] in your post

    But show up like this , once you Submit the post

    Image
    2020 CRF450R
    2006 CRF450X
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    Weiser , Idaho
  • Swift-Rider
    Posts:49
    Joined:Fri Jun 05, 2020 7:51 am

    Re: 2007 CRF 250r Valve Shims

    by Swift-Rider » Fri Nov 27, 2020 11:15 am

    Can you post a picture of what you are running into ???? , I can't think of any logical reason why the shim would not be above the retainer ring , unless the valve spring retainer clips are installed wrong , or something like that .... pics would definitely help in this situation ....

    You need a image hosting site to upload pics , what I use is IMGUR , you make a account (free) , then you upload your picture to that , then click on the image once it is uploaded , then look on the right and it will have links to copy/paste into your post

    Use the BB Code for Message Boards , it will look like this [img]https:/ /i.imgur.com/HnPmgXU.jpg[/img] in your post

    But show up like this , once you Submit the post

    Image
    Sorry for the late response. I have figured it out, sorta lol. I took the head off and took it apart cleaned everything up then put it back together and then it seemed to fix it. I dont know what could have caused this.

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