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Mirror mount

Discussion in 'XJ Technical Chat' started by boomerangg22, Apr 24, 2016.

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  1. boomerangg22

    boomerangg22 Member

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    Is there any way to rebuild the mirror mount on the master cylinder side? I see a lot of the stems broken off in them on ebay. Mine did as well, but I really messed it up trying to get the broken pc out. Price on a new mc is out this world.
     
    boomerangg22, Apr 24, 2016
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  2. Nuch

    Nuch Well-Known Member

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    How did you attempt to get it out? Easy out reverse bit?

    I DESTROYED one of the screws that holds down the cap on my MC. Luckily, It was the inside and there is a slight offset on the body. I was able to drill all the way through and out the bottom to put a long skinny bolt through to hold things down.

    Since then, I purchased a used MC to replace the one I ruined. If you decide to go that route and purchase a used one, ask the seller to verify that all mounting points, screws, ect. are working properly (not seized).

    They are out there. I got my replacement for $27. I'm in the process of cleaning and rebuilding right now.
     
    Last edited: Apr 24, 2016
    Nuch, Apr 24, 2016
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  3. waldreps

    waldreps Active Member

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    When I bought my 82 XJ650 Maxim someone had rethreaded the mirror mount on the master cylinder to some unknown larger size so I drilled it out and used an insert like a helicoil to return the threads to factory. That way I could screw in the proper mirrors or any mirrors with the same threads as stock threads.
     
    waldreps, Apr 24, 2016
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  4. boomerangg22

    boomerangg22 Member

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    Thanks waldreps I was thinking about using a helicoil. I was looking for a used one too but most look like trash and are over priced. Going to check into the helicoil some more.
     
    boomerangg22, Apr 24, 2016
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    waldreps likes this.
  5. bensalf

    bensalf Well-Known Member

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    hmmm. I thought the r/h side mirror has a left hand thread. not a problem if its been re drilled. but the original r/h mirror will have a l/h thread.
    stu
     
    bensalf, Apr 24, 2016
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  6. waldreps

    waldreps Active Member

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    The right hand mirror does have a left hand thread on a Yamaha.
     
    waldreps, Apr 24, 2016
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  7. boomerangg22

    boomerangg22 Member

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    guess i never thought of that.
    What size of helicoil would it take? m10?
     
    Last edited: Apr 24, 2016
    boomerangg22, Apr 24, 2016
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  8. waldreps

    waldreps Active Member

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    I think M10 is correct. You can send chacal a message and ask. He told me when I did mine but I've forgotten now. When I did mine, I made it a right hand thread cause I was buying new mirrors anyway. Most, if not all, other bikes use right hand threads on both sides so universal mirrors work then.
     
    waldreps, Apr 24, 2016
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    Yardawg likes this.
  9. rocs82650

    rocs82650 Well-Known Member

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    M10, 1.25mm pitch.

    Gary H.
     
    rocs82650, Apr 24, 2016
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    waldreps likes this.
  10. TECHLINETOM

    TECHLINETOM Member

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    The fake aluminum welding rod from the hardware store and redrill and tap. Easy stuff to work with.
     
    TECHLINETOM, Apr 24, 2016
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