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Terrible grinding noise coming from starter when trying to start '82 XJ Maxim 550

Discussion in 'XJ Technical Chat' started by camelCase, Feb 12, 2019.

  1. camelCase

    camelCase Member

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    Also, about the planetary gears, my aren't "sharp". They're a bit rounded. No damage though. Is this expected?
     
  2. dkavanagh

    dkavanagh Well-Known Member Premium Member

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    I figure on a bike this old, it's a miracle if rubber bits are still in good shape, so certainly go for the new o-rings since you'd rather not open this up again for another 30-some years.
    Glad you weren't afraid to tear it down!
     
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  3. camelCase

    camelCase Member

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  4. camelCase

    camelCase Member

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    Rebuild kit inbound.
     
  5. k-moe

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

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    Pics please.
    The edges of spur gears will round off a bit as they are used. If the faces are shortened by wear that is a problem.
     
  6. camelCase

    camelCase Member

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    Attached Files:

  7. dkavanagh

    dkavanagh Well-Known Member Premium Member

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    IMHO, those look good. You'd look for asymmetric teeth on the gears, which would be a sign of wear.
     
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  8. camelCase

    camelCase Member

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    Ok cool
     
  9. Michael Stauffer

    Michael Stauffer New Member

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    I put synthetic oil in my 82 XJ650, immediately started grinding, very hard to get started. Put conventional back in and it went away. Read about it in some other forums too, besides my own experience. I believe this is a fairly definite thing. No synthetic oil with a wet clutch!
     
  10. k-moe

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

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    Ther are syntetic oils now that are wet-clutch compatable.
     
  11. camelCase

    camelCase Member

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    I rebuilt the starter motor using the the rebuild kit and when I tested it using my battery, it sparked once and didn’t spin at all. Now it won’t spark.
     

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