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Thread: Seat Bolt nut lock washer better description 1941 Big Twin

  1. #1

    Seat Bolt nut lock washer better description 1941 Big Twin

    1941 Big Twin.Part number for the seat T bolt is 4042 1-13/16 or 4044 1-29/32. Neither is long enough for a nut and lock washer.I tried to upload a picture using Firefox and Chrome but got the same error message.Picture is 2.07 MB .Any help with the bolt or pictures would be appreciated. The reason i started a new thread is because that was the only place i could find to upload a picture .The process is the same as other forums and i have uploaded pictures to them.

  2. #2

    Re: Seat Bolt nut lock washer better description 1941 Big Twin

    3107-36 is 4044,1-29/32 the '40 in my shop measures just under 1-3/4 accross the mount,the lock is 1/16" thick
    you can use programs like gimp to downsize your pics
    Last edited by duffeycycles; 03-17-2020 at 02:14 PM.

  3. #3

    Re: Seat Bolt nut lock washer better description 1941 Big Twin

    1941 Big Twin.Part number for the seat T bolt is 4042 1-13/16 or 4044 1-29/32. Neither is long enough for a nut and lock washer.I tried to upload a picture using Firefox and Chrome but got the same error message.Picture is 2.07 MB .Any help with the bolt or pictures would be appreciated. The reason i started a new thread is because that was the only place i could find to upload a picture .The process is the same as other forums and i have uploaded pictures to them.
    From 41 parts catalog ... (for solo seat)

    3187-34 Front saddle bolt
    3189-34 Front bolt curved washer (2)
    0129 Front bolt nut

    This is bolt and nut that goes through oval slot in T bracket.
    Buddy seat uses different parts

  4. #4

    Re: Seat Bolt nut lock washer better description 1941 Big Twin

    You better look at your parts book again not the Seat T pivot bolt.That is 3107-36
    Last edited by duffeycycles; 03-17-2020 at 04:23 PM.

  5. #5
    Join Date
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    Re: Seat Bolt nut lock washer better description 1941 Big Twin










    Regarding later numbers 4044 and 4042, according to some of my other H-D catalogs bolt #4044 is indeed for Big Twins. But bolt #4042 is for W-series and G-series.
    Eric

  6. #6
    Join Date
    Aug 2010
    Location
    Twin Cities, MN
    Posts
    3,196

    Re: Seat Bolt nut lock washer better description 1941 Big Twin

    Pretty sure I used colony kit 9696-18 5 years ago and had no problems
    1947 EL
    1948 FL Project
    1947WL Project
    2000FLSTC

    But there's booze in the blender
    And soon it will render
    That frozen concoction that helps me hang on

    You never get better....you just get less awful. "Joe Walsh"

  7. #7

    Re: Seat Bolt nut lock washer better description 1941 Big Twin

    Colony changes their kits when the wind blows.What you bought yesterday may not be what you order today & neither one may be correct.9696-18 does not have 3107-36 that kit is saddle to seat t,not seat pivot...8875-5 or 9676-5...both of these look like hardware store 2" bolts,not long shank short threads like OEM
    Last edited by duffeycycles; 03-18-2020 at 09:37 AM.

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