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Thread: Buddy seat/safety bar mounting 1940 ULH

  1. #1

    Buddy seat/safety bar mounting 1940 ULH

    10lbs of crap in 5 lb bag!
    I don't have a pic that shows the correct stack of hardware when using buddy seat & safety bar on this 1940.
    The upper fender brace bolt shown in '40 catalog is 3748-36 not the later 3743-47.
    This later diagram shows 11172-36 nut on top of the fender brkt.
    I don't see that number in '40 book & don't know the dimensions.
    Is it a really thin nut?...What is the outside dimension & thickness.
    I know the battery wingnuts are wrong!
    img825.jpgBuddy Seat pic.JPG
    Last edited by duffeycycles; 05-18-2020 at 11:20 AM.

  2. #2
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    Re: Buddy seat/safety bar mounting 1940 ULH

    It is given as a 0117B 5/16-24X18 3/16 thick by 1/2 inj the '49 parts book. I know I have some later ones around here and they are larger across the flats but can't find them and don't have time to spend looking.
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  3. #3

    Re: Buddy seat/safety bar mounting 1940 ULH

    Thanx Robbie.
    I have 3/16" thick, 5/16"F X 1/2" hex nuts but that still doesnt allow for the flat washers to fit.
    When I did my Panhead years ago I just used flat washers where those thin nuts go.
    I don't care about correctness on my bike!.

  4. #4

    Re: Buddy seat/safety bar mounting 1940 ULH

    3748-36 9/16 hex 5/16-24 X 1" bolt
    3/16" fender
    3/16" nut
    2/16" washer
    3/16" buddy spring mount
    2/16" rear safety bar mount
    1/16" washer
    1/16" lock washer
    4+/16" nut...17/64th
    All adds up to 1/4" too short of bolt !

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