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Fork Bell Crank Nut

  • 01 Nov 2024 1:45 PM
    Quote
    Message # 13426221
    John Lindberg (Administrator)

    The outside nuts on my '29 fork bell crank studs are 1/2-24 flat nuts.  There's a hole in the threaded portion of the stud for a cotter pin, that is useless with flat nuts (photo attached).  I assume there should be a castellated nut used there.

    Carl-Erik's fine drawing on page 17A of the R&O shows the T1690T flat nut.  Walker Machine's catalog also shows a N1690P castellated nut for '22 - early '25 Scouts.  Anybody know if this nut is 1/2-24 and is the appropriate fastener for my application?

    Thanks,

    John

    1 file
  • 02 Nov 2024 9:06 AM
    Quote
    Reply # 13426388 on 13426221
    Anonymous

    Hi John, originally, no, your nut is correct, does seem strange, but attached below is pic of Wayne Carini's very original 28 scout. There is a spacer inside the fender brace ( unless you haev the export front stand ), and a washer ( lock ? ) outside. The split pin will stop the nut moving FAR. 


    2 files
    Last modified: 02 Nov 2024 9:07 AM | Anonymous
  • 02 Nov 2024 2:27 PM
    Quote
    Reply # 13426462 on 13426221
    John Lindberg (Administrator)

    Thanks for the photos and clarification, Tim.  Those parts missing from my bike would certainly change things...
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