My CB 750 Custom Chopper Project

by Horacio
(Mexico City)

cb 750 custom chopper

I always wanted a Harley...and I started considering a loan, but after stepping out of a dealer I realized I could not get most of my salary for the monthly payments alone (financing is just crazy around here...52% year rate). So I hit the ground and almost forgot about it. Suddenly, I saw an add for an old bike. A 1978 CB750 model K, and it had an already chopped frame!

To make things shorter I rented a van and drove 4,000 miles back and forward to get the thing.

It fired after two kicks, needed a tune up (which no shop around here dared to attempt, so I really studied hard and did it myself...getting the jets alone was hellish).

After the excitement of getting a cool cheap ride vanished, I realized I could change a few things here and there. So after 3 years I have changed the front end (It´s a hardtail, and the forks didn´t had that much compression, even though I changed the oil), made an oil tank out of a 5" pipe, made a V bar with a friend´s welding skill´s help, and made an internal throttle which I haven´t finished yet.

Well, it still has many things undone. It is not a Harley, but I have an efficient machine (the thing is almost 30 years old, it hasn´t been touched yet, and compression is still good!)

It's a cool ride for a lot less that the Harley dealer asked for, and a whole a lot less than the 10,000 US dollars that a chopper shop asked for a rebuild.

CB 750 Custom Project Part 2

Part 3

Custom Motorcycle Building Mini Course

Comments for My CB 750 Custom Chopper Project

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Mar 28, 2013
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Would like to see some frames
by: Anonymous

I would like to see some frames to fit my c.b 750 motor with wide tire and rim link up

May 04, 2012
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Righteaous
by: dr spike

Like your style bro. Kev England.

Dec 10, 2010
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750 4
by: chris

My dads got a honda 4 chopper they are f'n mad. He's thinking of selling in city nsw.

Aug 16, 2010
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LOVE THE CHOPPER
by: Bigdaddyhonda 78

Love the bike man. Awesome look. Anybody have any tips on how to make some budget forward controls for a 78 cb750?I've got one that's a daily rider that i have $250. into,she's low budget and I would like to keep that theme because I'm disabled and I just can't afford anything else.Check it out on my youtube page at bigbaddaddy72. It"s a cool bike but not as cool as the bike your looking at now. Keep the faith brother,BIKERS 4 LIFE!!

Jun 16, 2010
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Great Bikes
by: Drew

Always loved CB750 choppers with the springers or girders. I built a long bike using an 80in Evo motor and now have a line to a CB750 real cheap that I can't pass up. Gonna do a budget build but it will have more character than any $20-60,000 bike. Gotta love all things built in someones garage!

Jun 14, 2010
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ride for life
by: wayne the pain

I was looking for a ride myself,having sold my sporty 73 got an old cb750 replaced the rusty tank with a spare from the sporty, replaced the rear fender with a spare from the sporty put a bitch seat on it & it runs great not as cool as years.

Nov 20, 2009
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Great engine CB 750
by: Ausy Rod UK

My first road bike in Australia (1980) CB750 k2 ex-police bike with an open 4into pipe, loved it. Road across Australia, Sydney to Perth and back, over 6000mls and all I had to do is adjust the chain and fit a rear tyre,superb engine reliable and to easy to maitain.
Luv the chop mate, Ride free Live long.

May 15, 2009
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wicked machine!
by: yellowduc

Horatio, this beats a Harley any day. Any douchebag can get a Harley... and then pay a top dollar builder to pimp it out.

Sonny Barger, the former head of Hell's Angels in Oakland had great things to say about Japanese bikes. Back in his day, they were more expensive than H-Ds, and harder to work on, though they never required much work. H-Ds did require lots of work, but they were at least cheap and easy to fix.

A$$holes who rant about Harleys are what are known as Rolex Riders. Let 'em waste buckets of cash on them. The playing field is level between H-Ds and 'metric' bikes these days anyway. But the hottest choppers back in the day were all CB750s.

I've been thinking about building my own CB750 chopper, and you've totally inspired me!

Apr 22, 2009
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Looks cheap...
by: Horacio

To the yuppie folk that just send in a comment: Yeah idiot: It is a cheap bike, done at home, so what? Why don't you send us a picture of your precious Voodoo Chop, maybe you have a Sucker Punch Sally, maybe you don't even know these brands couse maybe all you know about rides is what you see at Orange County Choppers or at your local Harley Davison' s ripper...ooops! excuse meee! dealer...don't you read what is this page all about? Yeah send us a picture of your brand new SUV...you are probably a successful professional with lots of plastic money...not that I really care but I had nothing to do now so I just wanted to reply and to waste some time...like you do

Apr 10, 2009
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nice chopper
by: Anonymous

That looks badass brother keep up the good work

Jan 14, 2009
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My gast tank...again...
by: Horacio

Well...I need to lunch, forgot to write my e-mail address:
orgespunk@yahoo.com
All right?
Peace!

Jan 14, 2009
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My Gas tank
by: Anonymous

Hey jay,

Well the tank was provided (Installed and functioning) with the bike when I bought it, I've tried to find out as well, the bike had already lots of modifications on: Rigid Frame (A bit twisted I might say, I haven't been able to get rid of some bobbling over 80 mph, I have tried several adjustments to the rear wheel, balancing, also forn end changes, changed bearings, etc) 45 rake degree, spring solo seat, and such...
Send me your e-mail I've seen some similar to mine, I will forward you the vendor address

Good luck!

Horacio

Jan 14, 2009
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Your gas tank...
by: Jay

Where did you get it?! Did you build it?I really need a tank like this for my 1980 cb750 I'm building. Any help would be greatly appriciated!

Jan 10, 2009
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Great ride
by: Dan

I know what ya mean about things being quite expensive. That bike is cool in everyway and the fact tha it's a Honda powered machine doesnt hurt the coolness at all. Good job, Hope you keep the wind in your face for a long time on that bad ride.☠☠

Sep 04, 2008
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cb chop
by: Anonymous

bitchin chop bro, i'm buildin a 750 with a frame outta the 70's of unknown origin, also have a 400 4 supersport that i'm gunna make a cafe racer out of someday.....I BUILT MINE!!!!!

regards
pbr man

Jun 05, 2008
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exaust
by: Anonymous

I love that exhaust man! It looks mean!
How does it sound?

Apr 23, 2008
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Hi all you honda CB guys
by: SImon

Howzit guys , used to live in SA as a kid, i feel for you , trying to import stuff and stupid % prices. Im Building a honda 400/4 bobber, anyone wanna talk about parts or see any pictures e mail me simon@networkspares.com. Good luck to you all my SA brothers .

Cheers

Apr 23, 2008
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Horacio's bike
by: Hugo

hi there dude

It is most defenately the most awesome looking set of pipes i've seen on a bike. Although i'm not a bobber fan, my chopper will have the same style for her pipes.Nice work,great paint job,a close up photo would have been nice,so come on lad dont be shy ....you should be proud.Keep up the good work,i've got your number now so i'll show you soon what i'm up to,thanks for the tail pipe cofigiration....exceland man i love it.

In admiration
Hugo

Apr 23, 2008
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speek to me delport [sa]
by: hugo

hello delport
my adress is rac1@lantic.net let mehear of you i am also in the same shit hole as you {south africa} and would like to build a decent chopper to show the big heads abroad what artisanship is all about. my problem is to find a reliable v twin motor in access off minimum 750 cc.one last thing i am staying p.e.witch is the fucken worst place to be when trying to build a geniune custom chopper.....i dont want to chop a bike into a chopper i want to build my self a chopper therefor i need a motor.a v twin motor.my friend is in louisiana right know, got a mail tonight from him to tell me a new harley motor is $6000,a 2nd hand one goes for $2500,where is the import duties? hello..... for fuck sakes i am living in south africa.thats why i am looking for a alternative option, but it must be a v twin.
its good to know that i am not the only one with ambition in this shit hole.
kind regards
hugo

Apr 08, 2008
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bad ass chopper
by: Dylan

That is so bad ass I beat you put a lot blood, sweat, and tears into that bike I have a 1987 kz 750 chopper its 9" long it took me 1 year to finish it. it will top out at about 145 mph.

Mar 12, 2008
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bonjour
by: Anonymous

Custom Chopper Project

Feb 08, 2008
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comment from alaska
by: freezerburn

nice bike, just remember this when it comes to old hondas vs harleys in general... most of the guys riding hogs now grew up riding import japanese dirt bikes as a kid and need to be reminded of this once in a while... unless they were rich kids!! regards from a true two wheel rider- j

Jan 23, 2008
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dude...
by: Anonymous

awesome!!!!!!!

Jan 13, 2008
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Diamond In The Rough
by: Mark

Greetings And Good Day To You Horacio. Horacio, as you can tell by the comments a lot of us old school chopper fans find your bike very interesting. Can you leave a comment back on you bike as more information about our bike? What type of exhaust do you have installed? The size of the rear tire, type rear tire rim. Is the front wheel a drum or disk brake? Find a way to put some more pictures on the internet of your bike and give us a link. Keep up the good work. ON thre right side of the engine, it looks like a Z shaped bar, what is it?

Jan 12, 2008
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BAD A**
by: Anonymous

DO YOU HAVE MORE PICTURES? IF SO EMAIL ME PLEASE!!
I have a custom CB750 as well i will send you pictures if you like

vw_lifer01@yahoo.com

Jan 11, 2008
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Diamond in the rough
by: Mark Cole

Hector, you make a good choice with the CB750 and congratulation on finding a diamond in the rough. Take lots of pictures while you are building your chopper and I hope you will be able to post those pictures in the future. I will keep an eye on Google using the search of “Horacio Mexico City CB750” to see if I can find more pictures. Good Luck To you and Happy Ridding. US/CA/SAC

Jan 07, 2008
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Great look
by: Javahut

Lots of stuff goin' on there to draw the eye, like the pipes, different and interesting, but you need to get some more pics up there, it has to look good from other angles too.

Jan 07, 2008
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nice scoot!
by: bigdan

killer pipes! i like to see more photos.

Dec 23, 2007
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nice
by: Anonymous

Nice work man!!

Oct 01, 2007
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Hurray for Jap Scrap
by: rider75 in Canada

Hola Hector,
A pretty cool looking old Honda amigo! Home garage built choppers rule! Keep on with it. I remember when 55 to 57 Chevy cars were beginning to climb in price as more people hotrodded them. There were plenty of four door sedans around but nobody wanted the 4 doors, only the 2 door models. Now the 4 door cars are worth just as much. Same goes for old Jap bikes. I recently picked up my Kawasaki project bikes from an auto wrecker in trade for an old car that did not run.
I am still in the process of stripoping and cleaning the old '76 KZ750 Twin and am not yet sure if I will go for the cafe Racer look, the Bobber look, or go all out with a cycle One rigid frame. Even going full out rigid custom, the finished bike will be at most 2 to 3 thousand dollars. Try building a Yankee bike for that!

Sep 20, 2007
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EXCELENT
by: Delport

Howsit.

I like what you have done to the CB750. Im busy building a rigid frame CB550 bobber. Mainly because I cant afford a harley too and being in South Africa doesn't help the effort :-)

Good luck and it is looking good.

Delport

Sep 11, 2007
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honda
by: Anonymous

nice ride. I am working on a 500cc honda chop
tb

Sep 11, 2007
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WOW! Great ride!
by: Doug Lyons

That's a sweet bike. When I was young, a CB750 was a very prized possession and everyone wanted one. Don't worry if it's not a Harley. The latest thing is chopping a metric bike. There is a builder here in town that does nothing but metric (Honda)customs. He puts out some awsome stuff, but none as nice as your's is. Keep up the good work and post pictures of your progress. I'm looking forward to seeing your bike when it is done.
Thanks,
Doug Lyons

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