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Thread: 1925 FDCB Harley-Davidson

  1. #1

    Default 1925 FDCB Harley-Davidson

    Well, i went and did it... i just bought this bike on ebay from the pictures and now the fun begins.
    I need all the help i can get...
    thanks Ken

  2. #2


    and more picture of the parts that i need to change and looking for all the cam parts, when i opened it up there was none!photo 4.jpgs-l1600 (2).jpgs-l1600 (3).jpgs-l1600 (5).jpgphoto 5.jpg

  3. #3
    Join Date
    Aug 2013
    1 mile east of the Rocky Mountains.


    Quote Originally Posted by wowswitch View Post
    and more picture of the parts that i need to change and looking for all the cam parts, when i opened it up there was none!
    that's a buzz kill......

  4. #4


    well, i got the motor apart and all looks to be ok, got 2 different barrels, 2 different intakes, and the bores look good and they are the same!... so what to do? photo 9.jpgphoto 10.jpgphoto 18.jpgphoto 19.jpgphoto 21.jpg

  5. #5
    Join Date
    Jan 2006
    Menomonie, WI


    If I were you I would talk to Mark Masa - 330 714-6453 is the number I have for him. He is the JD guru (one of) and is usually willing to trade if he can. He posts here regularly and I am sure will leave a message.

    I built a 1925 JD for the Cannonball and found out the hard way that it has more one year only stuff than probably any other year HD.


  6. #6


    What to do next all depends on what you want to end up with. 100 point restoration, bobber/cutdown, or just a rider that looks like a cool old motorcycle without much regard for correctness. I can tell you that your rear cylinder is a 1925/26 and your front is in the 1927-mid 1929 range. The intake housings are different from each other but will work. The rocker arms are 1928 style. The frame is a 1928/29 and the trans and rear fender are 1926-29 style. The trans will have a raised pad on the rear stamped with either 26-something (1926) or 27-something (1927) or will be blank (1928-29)
    It's all good trading stock if you do lean towards doing a correct restoration. If you go that route, doing a 1928 may be the way to go since the frame is 28/29. I say 1928 because there are a few parts on a 1929 that are DIFFICULT or EXPENSIVE. specifically the dual headlights, horn and dual exhaust.
    JD stuff is generally easy to find and there is good aftermarket parts support from people like Competition Distributing, Replicant Metals and myself just to name a few.
    It's a decent looking pile of parts to start with, but like I said at the beginning, you need to decide on the end goal first.
    Mark (the Mark Masa Jerry was talking about)

  7. #7


    Thanks Jerry and Mark,
    yes it looks like the bike i going to build with the parts i have and need to get will be like a race bike( like this picture) so im going to start with the motor and i would like the cylinders to be the same, i need a 1927-1929 range, if you know of one i will trade my 1925-1926?

  8. #8
    Join Date
    Nov 2015


    Very cool bike, depends how much you want to do yourself really! Rip the whole thing down to the frame and make sure it is straight (the seat bar casting looks to have been hacked up). Jerry has an EXCELLENT thread on his 25. Then get to work on finishing the engine, how far over are the barrels bored? Jon Nueman sells venolia pistons that work pretty well. Motion Machine can do your barrels (, but the valves will probably have to be done somewhere else. If you don't care about correct-ness you won't need to find the one year fenders and one year tranny...

    Go get yourself some books!

    Shop dope vol 1

    The link above has a book with the best print of the original factory J/twin engine rebuild I can find. Also it has great details about other stuff

    I have the 29 riders handbook too and that is real handy for cutaways and settings

    One of those books has a sheet with all the clearances you should check on your engine. Happy bushing! Keep a lot of bearing bronze around and never assume it was done right until you go in and check yourself.

  9. #9


    Thanks whp, I'm doing all the work here at my 10,000 Sq. shop, we have a lot of tools because we build electric magnets, (see our web site ) today we are working on the old gas tanks to see if i can use them. im trying not to buy new ones! but we will see...
    photo 32.jpgphoto 33.jpgphoto 35.jpgphoto 31.jpgphoto 37.jpg

  10. #10


    Ok, all welded up and we just fixed the spots that were the worst... i floated lead in all the seams to seal them up.
    photo 39.jpgphoto 40.jpg

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