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Mystery Part?

Discussion in 'XJ Technical Chat' started by xjyamaha, Mar 15, 2015.

  1. xjyamaha

    xjyamaha Member

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    In the middle of my full rebuild and found a random part on the floor on the opposite end of the garage. Looks to be some sort of bearing/bearing related part as it had a light oil coating. I've got the final drive apart but cannot see where it could have gone. I've replaced a lot of other bearings so Im guessing it could be the remnants of one I've already torn apart and replaced. Familiar to anyone?
     

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    xjyamaha, Mar 15, 2015
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  2. FtUp

    FtUp Well-Known Member

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    what are you rebuilding?

    FU
     
    FtUp, Mar 15, 2015
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  3. xjyamaha

    xjyamaha Member

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    At this moment it's the final drive, but the engine is also dismantled. That's bagged and tagged awaiting paint.
     
    xjyamaha, Mar 15, 2015
    #3
  4. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    k-moe, Mar 15, 2015
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  5. FtUp

    FtUp Well-Known Member

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    final drive on what?

    FU
     
    FtUp, Mar 15, 2015
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  6. xjyamaha

    xjyamaha Member

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    Yeah, I've got the service manual, Haynes manual and parts diagrams. Still awaiting a dial gauge before completion of the final drive.

    I went through multiple diagrams and couldn't find the part either. Very possible it's been laying there awhile and I just stumbled across it. Multiple projects it could be a scrap from.
     
    xjyamaha, Mar 15, 2015
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  7. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    It appears to be the spacer or collar for the axle, where the wheel fits up against the final drive, OR the center-of-wheel spacer, they both look the same and differ in length just slightly.
     
    chacal, Mar 15, 2015
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  8. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    I don't think either have an oil hole though. I'll check mine after lunch since it's already apart.
     
    k-moe, Mar 15, 2015
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  9. xjyamaha

    xjyamaha Member

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    Yeah, I know my axle spacer is about twice the length of the mystery part. Whatever it is it definitely spins and requires oil...
     
    xjyamaha, Mar 15, 2015
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  10. xjyamaha

    xjyamaha Member

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    And speaking of gear lash, does the gear lash tool 90890-01231 work for an XJ650 or does it have to be the 90890-01230?
     
    xjyamaha, Mar 15, 2015
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  11. schmuckaholic

    schmuckaholic Well-Known Member

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    Looks like the inner race thingie for a needle bearing. Mounting shaft/bolt goes through the middle.
     
    schmuckaholic, Mar 15, 2015
    #11
  12. xjyamaha

    xjyamaha Member

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    Part 16 on the starter clutch diagram looks like it could be something. I'll have to dig through my bagged parts to see if I'm missing the "bush".
     

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    xjyamaha, Mar 15, 2015
    #12
  13. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    That could very well be it. It looks like the right length and diameter.
     
    k-moe, Mar 15, 2015
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  14. xjyamaha

    xjyamaha Member

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    Yep. It was the bush for the starter clutch. Fortunately found it now and wasn't stumped to what the hell happened to it in a couple weeks.
     
    xjyamaha, Mar 15, 2015
    #14
    k-moe and jmilliken like this.

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