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78 CB750 Bobber build, lots of pics

Discussion in 'Motorcycles' started by Nick701, Feb 13, 2012.

  1. Feb 13, 2012 at 4:17 AM
    #1
    Nick701

    Nick701 [OP] Well-Known Member

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    Ok well here it goes; I started with a 78 Cb750 that I picked up for 100bucks. 20 bucks later (new plugs etc) and it ran so I started stripping it down. Here is what it looked like when I started and the progress I have made up until now.

    I just think it’s to dam ugly...
    DSCN0418_148a55427a9dcca7f9c6c6cc81d63a33cfac075e.jpg
    DSCN0419_d861b767323b1e6fe02ae54a325560dd157591ca.jpg

    Strip down progress
    DSCN0432_5e36bc707b59fa94df29fe3ad7e5c8c3f2fc0c43.jpg
    DSCN0447_2895b79eb950c9daade3c0b49e0396892dcd568f.jpg

    Cut the rear seat support area to get a low stance
    DSCN0453_fe40479f12a3b8c5d573350be639fa4b28c82749.jpg
    DSCN0458_8536b415586a2c9fda7ab99320a3522b562c2a03.jpg

    At this point I was thinking I could keep the rear swing arm and do a simple hard tail, keep the factory tank, add a Springer seat and make things real simple.
    Simple hard tail, crappy welds, fire ext oil tank that I could never seal...
    DSCN0469_bf6b8d8feec62829712a5daee40adc0ad955826a.jpg

    Simple seat pan...
    DSCN0474_f82606ade9a676fb1d694f6c96a01d6744a1f6a1.jpg

    And this is what you get
    DSCN0490_502d101c4d74c4c7ade90a35e57876f8e4185ed4.jpg
    DSCN0492_8ac2603457cbd457e6ee1bdce64b655db056053b.jpg

    I liked it but wasn’t thrilled.... so I didn’t stop there



    Then I found a HD tank that I had liked on other bobber and wanted to go that route
    36105_405783686565_500026565_484456_ec23bec10258a2fdf54283643693e08497bebf90.jpg
    36105_405783706565_500026565_484456_506478bc2af363c89fa38c28561f682f4f28b67c.jpg

    That’s when it hit me…. I don’t like the frame like it is.
    36105_405783711565_500026565_484457_27f73007247de3c38e4daefd2eacca4567785b0f.jpg

    And I hated the big block junction where all the frame rails came together, right where the seat is, behind the gas tank.
    So I chopped that crap off…
    DSCN0545_b41b3975daa55ad5ce4be61472b5aef8a2581c4b.jpg
    DSCN0546_6dabeafc565c85435fc3f5cb4111f9121ef4398c.jpg
    DSCN0552_0baee05b966f104feb6cf487c02bb97fd94b6879.jpg

    Now calm down cause I know I am going to get some “you screwed up no jigging that frame before cutting” comments. But be patient because that’s what I’m getting to. I may have screwed up buy not cutting it on the jig but it worked out and took a lot of work to fix my saz-all crazy moment. I’m glad I did it too, because it wouldn’t look like it does now if I didn’t chop it up.



    This is about 6 months after I started… I found an old server computer rack that I could make a frame out of. It was heavy, square and perfect for what I was going to do with it. Here we go…
    IMAG0608-1_007211fbf816536408cb17edab141e6f88a6d9be.jpg
    IMAG0609_03bb6cd212f3d14f05c966ff32cd6959c5e03cff.jpg
    IMAG0612-1_84d31e9329e97e8fd8137c165ed94b1ee045e96d.jpg

    Front fork support
    IMAG0614_ecdb42a35ed4cef6127c2c3a37f7cc9a6ff7fccf.jpg

    Rear axle supports and started on frame rail supports
    IMAG0617_6f99cc26502d13a5e73420d17894c0b98b287446.jpg

    Getting there
    IMAG1009_4ce665e649a21f7ad36f966838b72553e577634e.jpg
    IMAG1012_2044040a46cb3c1c7c38b3f5d6b83813b82d7a0c.jpg
    IMAG1182_36e84e3d96608ce508833bd256cef1aae66c7976.jpg

    Now all of this took months of work I’m probably at 9months now and it’s all downhill from here. I plan on adding 6in of stretch to the rear and lowering the ride height a little bit.

    O yeah I had custom plugs built for the frame tubing, better welding and straight frame rails
    IMAG1008_94de4e6f3d61426238979de9eb60d1d2fc9edc84.jpg
    IMAG1010_616ed1bebc083dff10e48e9ea28a073802b59a74.jpg



    Once I built the jig and assembled the frame, I took it to Mike at “Old STF” cycles, so that he could verify my frame was straight and true and to tig weld everything together.

    Here is how I got it back…
    IMAG1192_535268f18bb3e44dba1e73451ee790d5f56c4fb3.jpg

    Finally got to put the tires on and see how I did.
    IMAG1193_d244cc5afc692de91f1239069eb63685d09ae9c6.jpg
    IMAG1195_76eee8a9803a0888788dfc08099103aeef805432.jpg
    IMAG1196_10385b15a403aa8b05e1e90c30ee8bbcf6d63314.jpg

    I really like this one because I can see how it flows, I picture it together and how it’s going to work out
    IMAG1197_c051319f2ae7b599a6fac365ea340911dfb2b436.jpg

    Now that the frame was together I started buying the other things I needed
    IMAG1228_cc820f25829115066c8f82bdcf243d8a1cc07c41.jpg

    Handle bars, dirt bike, I needed them to clear the tank at full turn, I will be cutting them down 2-3in on both sides after I get proper controls
    IMAG1230_3b590480a620a4578bb15a29d1cee06e36542207.jpg

    Biltwell seat and bracket, only new thing on this bike so far
    IMAG1232_8347597edd037070ff888249a0498dd282f56700.jpg

    Think its and old BSA fender, I liked the shape but the radius was to big
    IMAG1238_b1e3413a724a1db557d77cfd583cd19aa19439d1.jpg

    Fixed fender and this is about where I am now.
    IMAG1239_f7617840ed71ec0f253893b6d67cfbf769f8a258.jpg
    IMAG1236_760733a02fdc0e71e6ec76bf6547436f43246884.jpg

    IMAG1240_79bae95d0cc6541994bbe7299bfa76bebf710fe4.jpg


    Stay tuned for more progress, waiting on oil tank kit and some other stuff. Wish me luck.
     
  2. Feb 13, 2012 at 4:31 AM
    #2
    samhain

    samhain Well-Known Member

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    I love it. Great job so far.
     
  3. Feb 13, 2012 at 6:24 AM
    #3
    113tac

    113tac Well-Known Member

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    subbed. im diggin it so far!
     
  4. Feb 13, 2012 at 6:29 AM
    #4
    bizjettech

    bizjettech Well-Known Member

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    WOW.....that is too cool! Nice work, keep us posted. I want to see more pics!
     
  5. Feb 13, 2012 at 10:00 AM
    #5
    The Driver

    The Driver Trail Runner/Barefoot Beach Runner/Snow Skier

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    Aftermarket tranny cooler, 5100 Series Bilsteins, ToyTec Bilstein front coilovers, SPC UCA's, Alcan leafs, Class 3 Hitch, Alcan Leafs,
    More into Cafe Racers, but I LOVE your craftmanship. GOOD JOB!!!
     
  6. Feb 13, 2012 at 10:39 AM
    #6
    SampleFool

    SampleFool Three Percenter

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    Nice progress man I like it, subbing for more info when I build mine.
     
  7. Feb 14, 2012 at 9:39 PM
    #7
    oldtimertoyota

    oldtimertoyota Well-Known Member

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    When I first saw what you were doing to that classic Honda I was a little unsure but as I scrolled through the pictures I think I see where you're going with it and I must say that it's turning out pretty nice.
     
  8. Feb 15, 2012 at 3:32 AM
    #8
    Nick701

    Nick701 [OP] Well-Known Member

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    Thanks for all the great replies guys, im waiting on a few parts to make some more progress but i will keep ya posted
     
  9. Feb 16, 2012 at 1:59 AM
    #9
    Nick701

    Nick701 [OP] Well-Known Member

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    Got my oil tank kit, assorted bungs for mounting tank and fender, mirrors, rotor on its way, tires, light bracket and key soon

    for now im gonan get going on the oil tank and fender, stay tuned for progress and pics
     
  10. Feb 20, 2012 at 7:00 AM
    #10
    Nick701

    Nick701 [OP] Well-Known Member

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    Not the greatest pictures but i will take better ones tomorrow, this is what i came up with before work today...

    IMAG1299_61c27de4fcba2d58e181583911d8cdc495c5f5ce.jpg
    IMAG1300_cfdfae4903fc8d9ed0405d67c556b313dd6a5023.jpg

    Stay Tuned
     
  11. Feb 20, 2012 at 7:09 AM
    #11
    4wd Boss

    4wd Boss Shake and Bake

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    hey man sweet build! love what you did with the frame. Looks 100% better imo. looking to bob mine out someday as well. good luck with build, cant wait for more pics! (mine = 79 kawasaki kz650)

    [​IMG]
     
  12. Feb 20, 2012 at 7:22 AM
    #12
    11TRD

    11TRD MERICA

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  13. Feb 20, 2012 at 7:29 AM
    #13
    hard2kill

    hard2kill Well-Known Member

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    Nice build man ... Looks very cool
     
  14. Feb 21, 2012 at 2:04 AM
    #14
    Nick701

    Nick701 [OP] Well-Known Member

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    Here is what I did today

    IMAG1301_584fe71734a3a319c1a5a87e3d4e99be49043805.jpg
    IMAG1304_bbf4c7dd9d915b2926cb6b617f17fca26033eb88.jpg
    IMAG1306_7550f827f8981c0968c80698ef4d7c99d354441d.jpg
    IMAG1308_79dd3f30022b382b848ae4ad1b9c7526fa83fba9.jpg
    IMAG1309_b3a2dc2d608b85e133151c1cbf4f9d27a593028b.jpg

    Thank you all for the comments, i will adding more til its done
     
  15. Feb 21, 2012 at 5:00 AM
    #15
    bizjettech

    bizjettech Well-Known Member

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    very cool.......dig everything except that vertical post supporting the rear fender.....I'd ditch the fender to do away with the support......LOL...... The open wheel look would match the front.
     
  16. Feb 21, 2012 at 9:08 AM
    #16
    113tac

    113tac Well-Known Member

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    pretty sweet. i like the fender. are you going to repaint the take too?
     
  17. Feb 21, 2012 at 8:04 PM
    #17
    Nick701

    Nick701 [OP] Well-Known Member

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    I would be afraid of my ass being only inches away from a tire doing 70 on the freeway so I think ill keep the fender lol, I do like the open wheel look though

    The gas tank, oil tank, and fender will be painted when its all done
     
  18. Feb 22, 2012 at 9:03 AM
    #18
    4wd Boss

    4wd Boss Shake and Bake

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    no rear fender = not a good look
     
  19. Feb 23, 2012 at 5:06 PM
    #19
    hard2kill

    hard2kill Well-Known Member

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    agreed :D
     
  20. Feb 23, 2012 at 5:10 PM
    #20
    bizjettech

    bizjettech Well-Known Member

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    looks similar

    [​IMG]
     
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