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AllenCB750
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Joined: Jul 26, 2022
Posts: 5
Location: Southern CA

PostPosted: Sat Jul 30, 2022 11:40 am Reply with quote Back to top

Hello all. I am brand new to the forum and pretty new to the Honda CB world. I am in the process of restoring a 1980 CB750C. I like the original gas tank but it seams to be beyond repair from all the rust. I am sure I could braze it and use a tank liner but I am not 100% sure it would be reliable. So my question is, does anyone know of a gas tank maker that makes a tank that looks similar to to original or a tank that would fit? I have searched several places and have not found one that was specifically made just for my model. I have considered a original as well but am a tad skeptical about getting a rusted tank. Thanks for the help

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1980 Honda CB750C

Last edited by AllenCB750 on Sat Jul 30, 2022 9:28 pm; edited 1 time in total 
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pd750
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Joined: Aug 01, 2007
Posts: 24866
Location: On the road , again .

PostPosted: Sat Jul 30, 2022 1:34 pm Reply with quote Back to top

Welcome to the site Allen . Smile
You might get lucky and find a used tank that needs nothing , but , consider repairing your tank .
Remove as much rust as possible . Spray the affected area with a couple coats of something like Flex Seal . Let cure well and then coat the inside with a quality liner . I used Red Kote and am impressed . Caswell's is top shelf and has an excellent reputation .

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genesound
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Joined: Jul 24, 2007
Posts: 44383
Location: Studio City, CA

PostPosted: Sat Jul 30, 2022 1:39 pm Reply with quote Back to top

Welcome here!

I've never heard of a suitable replacement for the stock tank. A 900c tank might fit, but they may be a tiny bit longer.

Problem is the huge relief clearance on the bottom necessary to fit over the 3 pipe backbone unique to these DOHC Honda bikes.

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NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
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AllenCB750
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Joined: Jul 26, 2022
Posts: 5
Location: Southern CA

PostPosted: Sat Jul 30, 2022 4:25 pm Reply with quote Back to top

Thanks for the replies. I know each to his own but I really like the stock tank so I will try and repair it.
I was thinking of leading the tank, then doing a good acetone flush to get all the old tank liner out, once I know it’s all gone I can coat with red kote. The flex seal sounds good but I think it might be desolved by the acetone. I know I have to get all the old tank seal out so it does not trap any moister behind it and do further damage. Gene Winfield has a great video on YouTube from Eastwood. Please let me know if any of the steps catch your eye as a potential problem. Thx

Here is a pic. Still lots to do. The 80 is just a concept that we might stay with. The tank was tested before the paint but somehow the gas found its way….. uggggg

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genesound
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Joined: Jul 24, 2007
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PostPosted: Sat Jul 30, 2022 6:22 pm Reply with quote Back to top

No pic?

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
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AllenCB750
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Joined: Jul 26, 2022
Posts: 5
Location: Southern CA

PostPosted: Sat Jul 30, 2022 9:17 pm Reply with quote Back to top

I think my pic might be to large to upload……hmmmm

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genesound
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Joined: Jul 24, 2007
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PostPosted: Sat Jul 30, 2022 11:04 pm Reply with quote Back to top

Try saving it as about 640x480 or so, then attach it.

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
View user's profile Send private message Send e-mail Visit poster's website
AllenCB750
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Joined: Jul 26, 2022
Posts: 5
Location: Southern CA

PostPosted: Sun Jul 31, 2022 10:54 am Reply with quote Back to top

Gonna do, new exhaust or cerakote existing, led turn signals, side covers will be metal frame brazed together with diamond lath, new tires, need to finish up the moto gadget mo unit blue wire harness, I might go with Murray 4into2 carbs.

Hopefully the pic uploads this time

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genesound
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PostPosted: Sun Jul 31, 2022 11:23 am Reply with quote Back to top

I think you might like Murray's carbs.

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
View user's profile Send private message Send e-mail Visit poster's website
AllenCB750
This Just In
This Just In



Joined: Jul 26, 2022
Posts: 5
Location: Southern CA

PostPosted: Sun Jul 31, 2022 1:42 pm Reply with quote Back to top

genesound wrote:
I think you might like Murray's carbs.


Heard nothing but good about them. Plus they are suppose to come synced and tuned, and if they ever need syncing or tuning again it will be way better to do two instead of four.
I got the tank all stripped last night. I will upload photos of the finish project.

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Fitz
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Joined: Oct 19, 2010
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PostPosted: Mon Aug 01, 2022 8:51 am Reply with quote Back to top

If you want your tank lined with a life of bike warranty, send it to www.gastanklining.com and Tony will hook up your tank with an epoxy lining you can get no where else on the planet
That's a lifetime warranty you'll never find an equal to.

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Ray #1

Fasterspider retired and is the olderslowerspider now

You must have bumped your head, I don't even have a 4 cylinder DOHC Honda motorcycle anymore but, I am here to help or something.

Arthritis has taken me off the bike but, I still fix 'e 
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