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Author Topic: Frame differences question CB750  (Read 1633 times)

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Offline jkp2240

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Frame differences question CB750
« on: January 14, 2011, 02:51:34 PM »
What are the differences between 1969  to K6 CB frames? Seat mounting and Main stand, are they the same?

Offline 754

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Re: Frame differences question CB750
« Reply #1 on: January 14, 2011, 07:27:43 PM »
Early 69 had horn mount on other side for short time, also no data tag on some of 69.

 C-stand on early 69 had no brace.

 Seat latch changes after 71. .

  That what comes to mind right away..
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Offline HondaMan

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Re: Frame differences question CB750
« Reply #2 on: January 14, 2011, 07:42:54 PM »
The 1969-9171 (K0-K1) frames had the same seat. The K2-K4 had a common style of latching seat. The K5-K6 seat was a little higher mount, flatter pad, and fitting the K2-K4 seat to it makes a small gap appear underneath the seat (i.e., hinges on the seat, and the latch, were taller on late K4, K5, and K6). The gas tank swapped petcocks to the other side by K5, necessitating a change in the carb feed manifold, and in early K5 it became just one feed hose for the carbs instead of two. This doesn't affect the frame, but watch for it when swapping gas tanks around on frames.

There are trifling details in their changes, but all of the frames will actually fit each other's parts quite well. The engines and swingarms, forks and triple trees will all fit each other in that era.

Then came the K7/K8, but we won't talk about those....
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Offline Huh??

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Re: Frame differences question CB750
« Reply #3 on: January 14, 2011, 08:01:11 PM »

Then came the K7/K8, but we won't talk about those....


Hey now...... Why all the hate? ;) ;)

Offline HondaMan

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Re: Frame differences question CB750
« Reply #4 on: January 14, 2011, 10:28:46 PM »

Then came the K7/K8, but we won't talk about those....


Hey now...... Why all the hate? ;) ;)

No hate, just confusion: Honda flipped everything around the other way, changed the latches, spacing, height, brackets, lock, tank mount, rear fender and shock mounts....it takes a long time to explain all those details.  :o
The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
Hondaman's creed: "Bikers are family. Treat them accordingly."

Link to Hondaman Ignition: http://forums.sohc4.net/index.php?topic=67543.0

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Offline jkp2240

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Re: Frame differences question CB750
« Reply #5 on: January 16, 2011, 12:09:13 PM »
OK to sum up 69-71 frames are interchangeable for seat mounting and main stands are same to k7 except that early 69 did not have cross bracing on it correct?
John

Offline HondaMan

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Re: Frame differences question CB750
« Reply #6 on: January 16, 2011, 05:10:55 PM »
OK to sum up 69-71 frames are interchangeable for seat mounting and main stands are same to k7 except that early 69 did not have cross bracing on it correct?
John

While the stands may fit each other with some minor mods, the K0-K6 stands are different from the later ones. There were 2 later ones, too, although I think Honda morphed them into one part number after a while.
The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
Hondaman's creed: "Bikers are family. Treat them accordingly."

Link to Hondaman Ignition: http://forums.sohc4.net/index.php?topic=67543.0

Link to My CB750 Book: http://forums.sohc4.net/index.php?topic=65293.0

Link to website: www.SOHC4shop.com

 

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