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Author Topic: Old cb750 Tank.  (Read 566 times)

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Offline BenelliSEI

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Old cb750 Tank.
« on: January 11, 2023, 02:13:49 PM »
Stripped the chrome, cap and badges off the s/c tank today and took it to a paintless dent remover that has an excellent reputation. It has a few dents, but no cracks in the paint. If he can “save” it, I want to polish it up and leave truly original. Fingers crossed!
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Offline BenelliSEI

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Re: Old cb750 Tank.
« Reply #1 on: January 11, 2023, 02:15:41 PM »
It’s date stamped May, 1969.
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Offline Johnie

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Re: Old cb750 Tank.
« Reply #2 on: January 11, 2023, 07:48:47 PM »
I hope it works out for you. Would be really nice to keep an original. I took a CB750K tank in to a paintless dent repair guy and was told these Honda tanks are so thick he couldn't do it. Maybe he didn't want to mess with it too.
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1970 CB750K0 - Candy Ruby Red
1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
1970 Chevy Chevelle SS396 - Cortez Silver
1976 GL1000 Sulphur Yellow

Oshkosh, WI  USA

Offline BenelliSEI

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Re: Old cb750 Tank.
« Reply #3 on: January 12, 2023, 06:10:19 AM »
Quote from: Johnie on January 11, 2023, 07:48:47 PM
I hope it works out for you. Would be really nice to keep an original. I took a CB750K tank in to a paintless dent repair guy and was told these Honda tanks are so thick he couldn't do it. Maybe he didn't want to mess with it too.

I’ve had that response in  the past too. This fellow seemed more interested in giving it a try.
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Offline jlh3rd

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Re: Old cb750 Tank.
« Reply #4 on: January 12, 2023, 06:18:20 AM »
supposedly....this guy was like the first motorcycle tank paintless dent repair.......
Ca.

lol, sorry about the leg...
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Offline MauiK3

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Re: Old cb750 Tank.
« Reply #5 on: January 12, 2023, 07:03:28 AM »
I'm sure he can do it.
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1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline Shtonecb500

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Re: Old cb750 Tank.
« Reply #6 on: January 12, 2023, 11:56:14 AM »
nice tank.
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73/74'' CB500/550 resto-mod - sold
75' 750f 91' cbr f2 swap cafe - mock up
74' 750 chopper hardtail - complete - sold
74' CB750/836kit - Black mix & match - daily rider - always tweaking
71' cb500 K0 survivor - complete
71' K1 - CANDY GOLD/BROWN Winton kit - in process

Offline BenelliSEI

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Re: Old cb750 Tank.
« Reply #7 on: January 12, 2023, 01:13:48 PM »
Quote from: Shtonecb500 on January 12, 2023, 11:56:14 AM
nice tank.

Thanks! Hopefully get it smoothed out and polished up decently. I do not want to paint it. I have a matching set of side covers and the headlight bucket and fork ears are “presentable”.......

The tank in photo #2 is a later tank (prepping it for my K1).
« Last Edit: January 12, 2023, 01:18:31 PM by BenelliSEI »
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Offline ekpent

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Re: Old cb750 Tank.
« Reply #8 on: January 12, 2023, 06:33:30 PM »
I'm lost or dense tonight. How is the date deciphered from that " 4 5 1" stamp ? And where is it located on the tank ?
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Offline BenelliSEI

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Re: Old cb750 Tank.
« Reply #9 on: January 13, 2023, 05:10:29 AM »
Quote from: ekpent on January 12, 2023, 06:33:30 PM
I'm lost or dense tonight. How is the date deciphered from that " 4 5 1" stamp ? And where is it located on the tank ?

Not at all! This stamp is only on the very early tanks and the explanation is a bit convoluted. I’ll dig out my notes so I get it right!
« Last Edit: January 13, 2023, 05:57:44 AM by BenelliSEI »
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Offline BenelliSEI

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Re: Old cb750 Tank.
« Reply #10 on: January 13, 2023, 06:03:16 AM »
Quote from: ekpent on January 12, 2023, 06:33:30 PM
I'm lost or dense tonight. How is the date deciphered from that " 4 5 1" stamp ? And where is it located on the tank ?

The “4” means 44 years after the death of the last Emperor (4 + 40 = 44).  1925 + 44. = 1969.
5.1 means May 1.

May 1, 1969! Explained by the experts on the Sandcast Only Forum.....
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Offline Stev-o

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Re: Old cb750 Tank.
« Reply #11 on: January 13, 2023, 06:41:20 AM »
Quote from: BenelliSEI on January 13, 2023, 06:03:16 AM
Quote from: ekpent on January 12, 2023, 06:33:30 PM
I'm lost or dense tonight. How is the date deciphered from that " 4 5 1" stamp ? And where is it located on the tank ?

The “4” means 44 years after the death of the last Emperor (4 + 40 = 44).  1925 + 44. = 1969.
5.1 means May 1.

May 1, 1969! Explained by the experts on the Sandcast Only Forum.....

Sounds like urban myth!  But I'm not a Sandcast guy....
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline ekpent

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Re: Old cb750 Tank.
« Reply #12 on: January 13, 2023, 06:46:47 AM »
 Thanks John.  1 9 6 9 sure sounds easier !!  :D   Did that tank also come with the special size petcock that was only used on the real early stuff. Think it was shorter in overall length ??
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Offline BenelliSEI

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Re: Old cb750 Tank.
« Reply #13 on: January 13, 2023, 06:50:06 AM »
Quote from: ekpent on January 13, 2023, 06:46:47 AM
Thanks John.  1 9 6 9 sure sounds easier !!  :D   Did that tank also come with the special size petcock that was only used on the real early stuff. Think it was shorter in overall length ??

Yes.... I got it apart yesterday, should be able to use it. The lever face plate is held on with screws, not rivets. Looks like a stock cb450 unit?
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