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Rear axle nut thread pitch?

Discussion in 'XJ Technical Chat' started by thrashmetalsilver, Aug 25, 2026 at 3:00 PM.

  1. thrashmetalsilver

    thrashmetalsilver Member

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    Anybody know what the rear axle thread pitch is? I lost my castle nut and Yamaha discontinued the part or at least that's what the dealer said, so I need to buy a replacement. Thanks in advance
     
    thrashmetalsilver, Aug 25, 2026 at 3:00 PM
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  2. Rayzerman

    Rayzerman Member

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    Do you have the Yammy part number? Sometimes you can decode it.....
    Other thing to try is a Fuji-Loc type, found on newer bikes like the FJR, etc. There is a metal tab in the thread to act as a thread locker.
     
    Rayzerman, Aug 26, 2026 at 6:43 AM
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  3. Dan Gardner

    Dan Gardner Well-Known Member Premium Member

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    The part number is 90171-14031-00.

    It is available online. There are also probably plenty available in the parts pile of several members here.
     
    Dan Gardner, Aug 26, 2026 at 10:13 AM
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