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Cam Chain Tensioner Upgrade

Discussion in 'XJ Technical Chat' started by Dan Gardner, Mar 16, 2023.

  1. Dan Gardner

    Dan Gardner Well-Known Member Premium Member

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    I'm thinking about "upgrading" the cam chain tensioners on the XJ650RJs from the manually adjusted original to one of the automatic versions that came on the later 650s and 750s.

    Has anybody done this or does anybody know if it's a safe thing to do? I think @Mezzmo mentioned this upgrade in one of his videos, but I don't recall anyone ever saying they did it.

    Specifically, replacing part number 4K0-12212 with part number 5G2-12210.
     
    Dan Gardner, Mar 16, 2023
    #1
  2. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    It will work just fine!
     
    chacal, Mar 16, 2023
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    Dan Gardner likes this.
  3. Dan Gardner

    Dan Gardner Well-Known Member Premium Member

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    Dan Gardner, Mar 16, 2023
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  4. Mezzmo

    Mezzmo Active Member

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    Yep, I did it on my engine and its perfect. A straight fit and very easy mod...
     
    Mezzmo, Mar 23, 2023
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