Author Topic: New CB750 Chop owner  (Read 2006 times)

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Offline benross

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New CB750 Chop owner
« on: June 26, 2016, 09:27:04 AM »
Hi there,

I've just brought a CB750 DOHC chop as a project. So far I've realised the wirings pretty messed up so its a non runner at the moment  and the brakes don't work, but hoping to get it all sorted and on the road.

Can anyone tell me anything about it? It looks like it has Suzuki wheels but Honda brakes?


Offline Scott S

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Re: New CB750 Chop owner
« Reply #1 on: June 26, 2016, 09:42:45 AM »
Hey Ben, and welcome.
 I'm moving this to the Other Bikes forum since its a DOHC.
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Offline CycleRanger

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Re: New CB750 Chop owner
« Reply #2 on: June 26, 2016, 10:15:20 AM »
Howdy!  Neat looking bike.
I'll bet you can find some wiring diagrams over here: http://www.cb750c.com/
Do you have a copy of the Honda Shop Manual or Parts List for your bike? Get one here:
https://www.honda4fun.com/materiale/documentazione-tecnica
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Offline benross

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Re: New CB750 Chop owner
« Reply #3 on: June 26, 2016, 10:53:18 AM »
Hey there,

Thanks for the advice, I've found the wiring diagrams but I find it quite hard to compare something on paper to actual wires. I have a friend who is better at wires than me having a look at them on Tuesday. Hopefully it's something simple.

Id like to renew the brake cylinders and hoses but without knowing what is on there now, it's hard to know what will fit.

Offline Alan F.

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Re: New CB750 Chop owner
« Reply #4 on: June 27, 2016, 08:12:11 AM »
Nice chop there, somebody put some good work into that one.
Brakes look stock from what I can see in that pic, front master could be from the 90's, sport bike master cyls don't have mirror mounts, so that narrows the search.

Offline Desert-SOHC

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Re: New CB750 Chop owner
« Reply #5 on: June 27, 2016, 10:13:47 PM »
Nice!
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Offline Bankerdanny

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Re: New CB750 Chop owner
« Reply #6 on: June 28, 2016, 10:58:58 AM »
Wiring is a system. If your bike has custom wires then you need to trace from point to point and take notes on what colors bring power to and from what. Once you map your bike you can then look at the diagram and note the actual color of your wires in a particular circuit vs the colors shown or noted in the diagram.
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Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline 70CB750

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Re: New CB750 Chop owner
« Reply #7 on: June 28, 2016, 11:16:45 AM »
Welcome!
Prokop
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I love it when parts come together.

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Offline TomsK8resto

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Re: New CB750 Chop owner
« Reply #8 on: June 30, 2016, 06:14:08 PM »
Very clean looking chop.  Welcome.

Tom
'69 CB750 long gone
'76 CB750F gone
'78 CB750K in progress.....
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Offline Retro Rocket

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Re: New CB750 Chop owner
« Reply #9 on: June 30, 2016, 06:41:05 PM »
Nice chop there, somebody put some good work into that one.
Brakes look stock from what I can see in that pic, front master could be from the 90's, sport bike master cyls don't have mirror mounts, so that narrows the search.

Calipers are DOHC Honda, wheels, and it looks like the discs are Suzuki... ;)
750 K2 1000cc
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750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.