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Author Topic: 1977 CB750 cafe racer build  (Read 137703 times)

Offline SpeedBump

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1977 CB750 cafe racer build
« on: Jun 27, 2012, 11:21:34 »
So I've been working on this bike since January. I use this forum for help but never post so I figured I'd share my build.

I found this bike on Craigslist with 60,000 miles on her running and had a valid inspection. Needed lots of work but that was okay since I was planning to rip it apart.


I took some dimension and drew up a rear cowl. Found a fellow on the forum to build it for me


Metalandspeed did a great job and super fast! He sent me daily updates




I purchased a cx500 tank off eBay because I like the shape. Kinda round and has a semi tank dent. I then got out the orbital sander and went to town.




I received the tank and laid it out in apt.





That weekend I stripped bike a bit and tried out tank and seat.





Wife having a seat






At this point it was time to have a friend do some welding for me. I drew up the rear loop filler, oil tank, Electrical box, rear set plates for the CBR rearsets I purchased off ebay. I loaded it into my brothers trooper for a 2.5 hr ride

« Last Edit: Jun 27, 2012, 15:08:23 by fly2devin »

Offline SpeedBump

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Re: 1977 CB750 cafe racer build
« Reply #1 on: Jun 27, 2012, 14:07:27 »
I've had issues loading the pictures but I think I got it now. I'll keep loading. If you have questions please ask. I know I'm leaving a lot out.

Offline SpeedBump

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Re: 1977 CB750 cafe racer build
« Reply #2 on: Jun 27, 2012, 15:04:34 »
We cut off the two rear tabs and welded on rear set plates to frame


We heated the loop and bent it up a bit then welded it on


We had to then cut the rear cowl I had made to match the loop.


We filled in the loop with a plate

Added the rear tail light bracket.


Cut the stock header and added a muffler from Dime city cycles.


Needed to add some material to the seat since the loop pushed it further back. 


The clip-ons seemed a bit low so I bought a drag bar to try. I just donít like the look.




Made some drawings for the oil tank, cut them and had them welded up. Cutted original oil tank for fittings and such.



We welded on plates I had made to mount the rear set but I didnít like the look so I drew up some bolt on plates. Iím an engineer and have CAD and a lazer jet cutter so I was able to draw up anything and have it made relatively quick.  I threw them on and moved bike to storage unit for disassembly


Just some pics







Then I took entire bike apart and sent them off for powder coating. Iím rebuilding calipers and wheels since everything had to come apart to be powder coated. I should have frame back Friday. The motor has been cleaned but Iíve decided since it still runs with no issues I will leave it alone. Maybe rebuild it next winter when I hopefully have a garage and not a storage unit to work on it.


Iím currently wire brushing all of the bolts and debating sending them off for zinc plating.

Offline biker_reject

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Re: 1977 CB750 cafe racer build
« Reply #3 on: Jun 27, 2012, 16:33:30 »
Nice!  Love the seat and would like to know where you got that trim you put around the rear seat cowl?

Offline JustinLonghorn

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Re: 1977 CB750 cafe racer build
« Reply #4 on: Jun 27, 2012, 16:36:09 »
Looking fantastic, man!
I'm going to eat your brains and gain your knowledge.

Into The Sunset, CB750 build

TT500 the Animal

Offline SpeedBump

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Re: 1977 CB750 cafe racer build
« Reply #5 on: Jun 27, 2012, 17:37:43 »
Nice!  Love the seat and would like to know where you got that trim you put around the rear seat cowl?

http://www.mcmaster.com/#catalog/118/3770/=i5w3qq

It stays good but I would like to find one for the smaller radii.

Offline SpeedBump

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1977 CB750 cafe racer build
« Reply #6 on: Jun 27, 2012, 18:25:26 »
Does anyone know where to find these tank grips? I found this company called TechSpec that makes the stuff but not sure if they make it custom cut or if Docs Chops custom cut them.

Look at this on eBay:

TechSpec Gripster Tank Grip Pads - General Sheets

http://bit.ly/Mxwhrc

Offline SpeedBump

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1977 CB750 cafe racer build
« Reply #7 on: Jun 27, 2012, 22:02:44 »
My bolts all sanded

Wheel parts to be replaced

Brake parts to be cleaned up

Offline Von Kirk 75 dt250

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Re: 1977 CB750 cafe racer build
« Reply #8 on: Jun 27, 2012, 22:19:13 »
I'll watch this build. So far, so good.
Four wheels move the body,
But two wheels move the soul.

I don't need special paint and chrome
for my bike, i know how big my cock is.
http://www.dotheton.com/forum/index.php?topic=35089.0

Offline xruze56

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Re: 1977 CB750 cafe racer build
« Reply #9 on: Jun 27, 2012, 23:36:39 »
LOL that totally looks like my bikes twin brother!