• Enter the March CB750 Supply gift certificate giveaway! It's easy... Click here, post something, and you're entered into the drawing!

fabricating

  1. T

    Advice on Rear Fairing Fab

    Hey all, this is my first post so I appreciate any advice that helps. I have a 1980 cb750f that I'm doing a full cafe build on. I've been looking into different tail options and although I like a lot of options out there I'd love to try and use the stock rear tail and integrate it into my new...
  2. Giampa Booja

    4 into 2 dilemma, kickstand mount trouble

    A friend gave me a set of 4 into 2 pipes off his 750 F. I thought they would look/be/sound better that the raggedy-a 4 into 4 on my '82 750 Custom. After getting the bike up on the centerstand, I removed the kickstand and old 4/4s. Got the 4/2 in place, nothing snugged down, checking the...
  3. B

    Starter Solenoid Help

    Hi all, I'm rewiring my '81 CB750C. I just got to the starter solenoid, which I assume is the original, OEM unit. I see the 4 male connectors go to the reg/rec, starter switch, ignition switch, and clutch diode but I'm unable to find out which one is which. Is there a way to test them? Does...
  4. Z

    Cb750c serial number

    Hello i’am new here and i life in Belgium. I bought myself a cb750c. The previous owner told my that the bike came from America where it had a speedometer in miles and he changed it into km. The certificate of comformity says that the bike is from 1981, its in Dutch and came from Aalst (Honda...
  5. Luis Etchenique

    '79 CB750F SS -- 4 into 2 exhaust fabrication

    The process of restoring/modifying a CB750F SS which I have recently acquired includes --among many other things-- includes the fabrication of an exhaust system; I was wondering if anyone in the group has done this in the past -- and what the experience was ( or is ... ) like. The easy route...
  6. H

    Engine test stand

    Hello all, Long time lurker and I think first time poster. I'm in the final throes of rebuilding my '76 CB750F's engine. I'd like to start it and run it before I put it back in the frame. I thought I saw a couple pics of engine test stands that allowed this. I've since searched the web and...
  7. J

    71 cb 750 question

    Does anyone know if the two coils on my 71 cb 750 can be rebuilt? When I say that, I mean can the coil wires be replaced? Im aware the boot end comes off, but does the other end of the lead twist off the coil? Regards......
  8. I

    Center Stand

    Hey everyone, I recently purchased a 1980 CB750 cafe racer project and I want to put it on a center stand. While it was at the shop for getting the carbs tuned, I ordered a complete center stand assembly for him to install. When I checked in, he has some pretty interesting news. The bottom of...
  9. U

    72' into an 81'

    ok guys, so to start, im very mechanically inclined, ih am a proficient welder and im not afraid to use a sawzall to make it it fit! my question is, will a sohc motor fit in my 81' frame? i know i will need to fab up an oil bag, lines, redo my electrical, an so on and so forth! i really just...
  10. I

    Can I Cut Muffler 1979 CB750

    Hey Everyone, I'm new here and was hoping I could get some opinions. I have a 79 CB with a 4 into 2 exhaust. I was thinking about cutting the mufflers in half and purchasing one of those after market baffles. The headers are perfect but the mufflers were spray painted black so I dont mind...
  11. K

    Cognito Moto BOLT-ON CB750 OIL CAN

    So kind of a complicated situation I've gotten myself into... but after doing some modifying of the frame geometry, I'm trying to calculate whether the Cognito Moto oil can will work on my bike... what I need is the dimensions between the mounting studs. So, distances between the four holes...
  12. U

    speedo recommendations

    not sure if this is the right place to post this but its the best I could find. I'm looking to mount a mini speedo somewhere on my bobber. having some issues finding any good ideas. I do NOT want to mount it on the bars!!!! thinking about making a mount on the fork tube and mounting it to the...
  13. I

    How to chop the frame of the rearend to proper accommodate a cafe style seat ?

    Good afternoon, I recently purchased a rounded (brat style) seat. The link can be found below, http://4into1.com/tracker-brat-style-seat-black/ And was wondering if anyone here has any experience installing such a seat on their CB750? A quick google search revealed the below YouTube video...
  14. Wez_

    82 Nighthawk gas tank compatibility

    Trying to figure out what gas tanks will fit on a 1982 750 Nighthawk. This is my bike frame These are craigslist advertised as mid 70's (72-76) CB 750 tanks that I would like to try....anyone know if they will fit nicely or require heavy modifications?
  15. A

    FZR 600 monoshock swingarm on 750F - need measurements

    I am building a SOHC retromod and looking to put a FZR 600 rear (swingarm, wheel, brakes) on a 78 750F... If anyone has already done this mod I would greatly appreciate your input - and the measurements you used to weld the mounting points and tabs to the frame. Aubrey
  16. K

    Front Sprocket Conversion

    Has anyone had any experience getting a front sprocket that fits a 525 chain? I've been scouring the internet to try and find one but it's proving fairly difficult. I've though about getting a 525 blank from mcmaster carr and paying someone to machine out the 1978 honda splines. Any advice/...
  17. 1

    1980 CB750K Bobber plans.

    A Year ago I purchased a 1980 CB750k that was in some pretty rough shape. The idea behind it was to fix the mechanical issues to make sure it runs well and then strip it down to turn it into a bobber. I've always been fascinated with bobbers and since I began riding, always wanted to make one...
  18. S

    New passenger footrest and brackets.

    Hi. I need help. The last owner of my cb750 1975 has cut the passenger footrest brackets to the frame and I would like to weld others but I do not have the original measurements. Can you help me.
  19. A

    Hole in Crank; Worth my time?

    Hey guys! I'm in love with the old cb's, and am looking to pick one up on the cheap side to fix up over this winter! Found this girl in town, with a freshly snapped chain, and a nice hole in the case. I've seen plenty of posts by people with "cracked" cases, where people call for a quick weld...
  20. K

    Cafe build seat issues by newbie for 91 Nighthawk

    Hello all. This is my recently acquired 92 Nighthawk. I am planning on turning it into a cafe racer. However, I did notice that the frame takes a dip in the middle (unlike many of the older versions). This makes is a little harder to find a good seat. If you have any ideas on how to make the...
  21. 6

    Daryl's bike is almost done!

    Hello all.. just about wrapped up with Daryl's bike off the Walking dead.. was fairly quick build.. have a whole new respect for people that do this regularly! Been bitten by the fabricating bug, picked up a '54 Harley Servicar that is going to be a similar build as the walking dead bike and a...
  22. G

    Alternative to original cast rotors

    Hi everyone, First post. I used the search function but couldn't find the definitive answer. I want something better than the original rotor on my 77 750K. Ideally I would like to find a drilled rotor/caliper combo that would work. I can do any bracket or machine work needed, I just need to...
  23. H

    Need Help! Swapped my pegs around..

    Hey guys! First post here. I picked up a 78 cb750k about a month ago. The bike has been a lot of fun so far, but I'm having trouble with one thing. I swapped my stocks pegs, left side to right side and vice versa so they say a little lower for me as the original set up was too high for me. The...
  24. F

    Help with A 81 CB750c bolts

    Hey guys first time posting. I am needing help with bolts. I got CB for like 200 bucks. It had been laid down but nothing serious. It ran when afterwards good. It was missing the stator and rotor. I got a new stator,cover and rotor. What's wrong is I am missing the rotor bolt and the bolts that...
  25. S

    Front end swap

    Hello All, I just registered and new here. I'm hopeful I can get and share help. I just bought a cb750. According to the numbers the frame is a 76' and motor is 75'. Is this common? I had several bikes when I was younger when I had more money than brains now I have both. I plan to modify my 750...
  26. M

    79 CB750K First Build Questions

    Hello everyone ! I'm new to the forum, and new to the CB750. My dad owned a few CB's of varying size when I was a kid, and I've always wanted to build one. I was looking for an SOHC, but came across a barn-find dohc deal that I couldn't say no to. Got the bike complete but non running, I...
  27. M

    Steer Tube Problem

    Hey guys, new to the forum and new to the CB750. I am building a rigid bike but an issue that I am having is that the frame has a HD Big Twin 1" neck tube but I want to use the stock front end off of the 92 Nighthawk (dont want to FORK out all the money to convert over to a HD front end) I am...
  28. W

    Fork Swap & Swing Arm Swap

    Fork: So I've seen a bunch of fork swaps and things and the gsxr seems to be prefered for this I there a specific reason for that? I'm assuming its got good suspension. Also, I was wondering what goes into a fork swap? What kind of things need to be changed or replaced? Like what come in the...
  29. W

    Fork Swap & Swing Arm Swap

    So I've seen a bunch of fork swaps and things and the gsxr seems to be prefered for this I there a specific reason for that? I'm assuming its got good suspension. Also, I was wondering what goes into a fork swap? What kind of things need to be changed or replaced? Like what come in the fork swap...
  30. C

    Technical details for custom oil cooler assembly, I can use some expertise.

    Hello, I'm collecting a pile of parts right now, about to do a café/brat and am new to CBs. I live in a hellish wasteland called Arizona and summer temps climb frequently to 116. I know damn well, even with an oil cooler, there's no riding in July here...not on an air-cooled 4 cyl motor...
Back
Top