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Author Topic: Mystery tank  (Read 984 times)

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Offline gmog44

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Mystery tank
« on: January 23, 2018, 10:54:16 PM »
My '72CB450 project's tank (left) was rusted out, so I found a replacement (right) on CL.  The 450-esque lines fooled me and I had it home before I realized it's massively wide.  Any guesses as to what this is?
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'78 CB550
'72 CB450

Offline seanbarney41

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Re: Mystery tank
« Reply #1 on: January 24, 2018, 06:13:10 AM »
Guessing.....some version of nighthawk or maybe cm
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If it works good, it looks good...

Offline calj737

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Re: Mystery tank
« Reply #2 on: January 24, 2018, 06:30:00 AM »
Your original tank can probably be repaired. De-rust with any number of cheap, easy methods. Then, if there's hols you can have them brazed up, sheet metal replaced, or line the tank with POR-15 or Caswell. Maybe post some pictures of the rust damage for input?
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline lowriderbud

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Re: Mystery tank
« Reply #3 on: January 24, 2018, 07:43:36 AM »
The tank on the right sure looks like my tank which is off of a '72 CB750K.  Pictures of the front and back would help with the identification.  Also, which side is the pitcock on?

I would repair the original tank if it was my project.

Later, Bud...
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Offline 754

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Re: Mystery tank
« Reply #4 on: January 24, 2018, 10:35:15 AM »
Pic of underneath will explain a lot.
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Maker of the WELDLESS 750 Frame Kit
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Kelowna B.C.       Canada

My next bike will be a ..ANFOB.....

It's All part of the ADVENTURE...

73 836cc.. Green, had it for 3 decades!!
Lost quite a few CB 750's along the way
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