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New to Forum's and XJ's

Discussion in 'Hangout Lounge' started by PacNorWestHD, Sep 12, 2012.

  1. PacNorWestHD

    PacNorWestHD Member

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    Location:
    Woodland Washington
    Just wanted to say Hey and ask a question since I see there's lot's of very knowledgeable people here.

    This is my first XJ 81' XJ650 Maxim and she's been a fun little bike. [​IMG]
    This is How I got the Bike.

    I got the Bike this year and it was partially Modified when I got it. So since I had no clue about what was done to it or the condition of it I tore it down to the Frame. B.T.W she runs and rides Great!. Now as I was cleaning up the engine and making sure all was in spec I noticed these little rubber Pieces stuck in between the cooling fins all over it
    My question is #1 are these needed? and #2 if so what are there purpose? I can only imagine maybe for support for the cooling fin's. As this is my first XJ and I have never seen these on anything else I have worked on I figured this would be the right spot to ask. :wink: sorry so long winded.
     
    PacNorWestHD, Sep 12, 2012
    #1
  2. maverickbr77

    maverickbr77 Member

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    Location:
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    they are to help stop the fins from buzzing and reduce vibration.
     
    maverickbr77, Sep 12, 2012
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  3. Massimo33

    Massimo33 Member

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    Hello, and welcome to the forum from Denver!

    Those little rubber plugs are vibration dampers for the cooling fins, around 4k and going up to appx. 5k the bike gets a natural vibration in the engine that is quite loud and very noticeable without those little guys. Every one was missing from my bike when I first got it and I thought that there was something seriously wrong with the engine.
    But with the fine folks on this forum I found out these little guys exist and that I should have them on my engine, mine took appx 15 to dampen the vibrations. The vibration is still there but a lot more tolerable now.

    Hope that helps,
    Massimo
     
    Massimo33, Sep 12, 2012
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  4. PacNorWestHD

    PacNorWestHD Member

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    Yes, it does Help alot and Thank you. I'll be putting them back where I found them.
     
    PacNorWestHD, Sep 12, 2012
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  5. MiGhost

    MiGhost Well-Known Member

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    Location:
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    Welcome aboard.

    To give you a little info about what I see that has been done to the bike.
    It has been hardtail bobbed with a peanut tank, aftermarket Z bars, and 4-1 exhaust with pods.

    Basically a rat bobber as shown in the pic.

    Ghost
     
    MiGhost, Sep 13, 2012
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