Author Topic: 1968 CB750 Example  (Read 8544 times)

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Offline jakec

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1968 CB750 Example
« on: May 05, 2024, 11:28:42 AM »
Has anyone seen more information on this bike? It's not on the Vic World website. I found it randomly on instagram today.

https://www.instagram.com/p/C6j5CM0ShU-/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==

1970 CB750 K0
1977 CB750 Chop
1997 XR650L

Offline jakec

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Re: 1968 CB750 Example
« Reply #1 on: May 05, 2024, 12:21:52 PM »
1970 CB750 K0
1977 CB750 Chop
1997 XR650L

Offline 69cb750

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Re: 1968 CB750 Example
« Reply #2 on: May 05, 2024, 12:28:56 PM »
Early prototype, non production alternator cover, carbs, air cleaner, side cover.

Offline Kevin

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Re: 1968 CB750 Example
« Reply #3 on: May 05, 2024, 02:00:58 PM »
I think this is it:
https://www.motorcyclistonline.com/news/honda-cb750-sandcast-prototype/

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Offline grcamna2

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Re: 1968 CB750 Example
« Reply #4 on: May 05, 2024, 02:17:59 PM »
Following
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
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Offline 69cb750

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Re: 1968 CB750 Example
« Reply #5 on: May 05, 2024, 02:29:10 PM »
2110 gold
2111 red
2112 dark green
2113 blue-green Vic World
2113 has production alternator cover, carbs, air cleaner, side covers.

These photos are an earlier prototype, like the November 68 prototype at the Toyko motor show.

Offline jakec

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Re: 1968 CB750 Example
« Reply #6 on: May 05, 2024, 10:23:28 PM »
Kevin, even though the article seems to describe the bike the photos don’t. Kinda of odd? All of the prototype details in the pics I provided from this past weekend are not on the pics in the article you linked.
1970 CB750 K0
1977 CB750 Chop
1997 XR650L

Offline 69cb750

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Re: 1968 CB750 Example
« Reply #7 on: May 06, 2024, 05:13:04 AM »
Quote
Kevin, even though the article seems to describe the bike the photos don’t. Kinda of odd? All of the prototype details in the pics I provided from this past weekend are not on the pics in the article you linked.
The photos Kevin posted is 2113.
The photos you posted is an earlier prototype.

Offline jwurbel

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Re: 1968 CB750 Example
« Reply #8 on: May 06, 2024, 08:22:11 PM »
Looking at the right handle bar.  Push pull set up on the prototype?  Yet sandcast release used a single cable.
Maybe I am confusing the two different pictures.
.

Offline willbird

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Re: 1968 CB750 Example
« Reply #9 on: May 07, 2024, 04:23:02 AM »
Looking at the right handle bar.  Push pull set up on the prototype?  Yet sandcast release used a single cable.
Maybe I am confusing the two different pictures.
.

I think there are pictures of two different bikes kind of the same color.

https://www.motorcyclistonline.com/resizer/UFlSPQW46mH4XkqwuZ9E9zW6xZI=/968x645/smart/cloudfront-us-east-1.images.arcpublishing.com/octane/JRWTTWZG4EN53OPLELWQN7QRNE.jpg

Offline CycleRanger

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Re: 1968 CB750 Example
« Reply #10 on: May 07, 2024, 05:33:10 AM »
There's some more images of early 750's in this thread.
http://forums.sohc4.net/index.php/topic,194544.0.html
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
CB750K5        '79 XL250s     CL350K3
CB750K3        '76 XS650      '76 CJ360T

Offline Ujeni

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Re: 1968 CB750 Example
« Reply #11 on: May 07, 2024, 07:35:24 PM »
Lots of info about this bike can be found here.

https://www.cb750prototype.com/

I actually helped in its restoration! An amazing piece of history.
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Offline newday777

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Re: 1968 CB750 Example
« Reply #12 on: May 08, 2024, 04:12:28 AM »
Lots of info about this bike can be found here.

https://www.cb750prototype.com/

I actually helped in its restoration! An amazing piece of history.

Very cool reading. Thanks for sharing it Sam.
Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline newday777

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Re: 1968 CB750 Example
« Reply #13 on: May 08, 2024, 04:15:02 AM »
Early prototype, non production alternator cover, carbs, air cleaner, side cover.
And lots more too!
A lot of very unique parts
Stu
Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline 69cb750

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Re: 1968 CB750 Example
« Reply #14 on: May 08, 2024, 06:16:39 AM »
Quote
Lots of info about this bike can be found here.
https://www.cb750prototype.com/
I actually helped in its restoration! An amazing piece of history.

Sam,
Are you free to tell the story how Vic got it and what will happen with the bike ?


Offline Stev-o

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Re: 1968 CB750 Example
« Reply #15 on: May 08, 2024, 07:14:13 AM »
Lots of info about this bike can be found here.

https://www.cb750prototype.com/

I actually helped in its restoration! An amazing piece of history.

So much interesting info there, amazing how many changes were made for whatever reason.

Thanks for sharing.

Admin - can you pin the website link?  Thx
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline MauiK3

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Re: 1968 CB750 Example
« Reply #16 on: May 08, 2024, 08:07:45 AM »
I thought Vic World had it several years ago and sold it for around $250k with the original rubber on the tires.
I seem to remember an article about the sale.
1973 CB 750 K3
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Offline JamesH

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Re: 1968 CB750 Example
« Reply #17 on: May 08, 2024, 09:44:40 AM »
I thought Vic World had it several years ago and sold it for around $250k with the original rubber on the tires.
I seem to remember an article about the sale.
I thought so too, but that was one of the 4 pre-production bikes (the Candy blue green one).

I had no idea he owned/restored the prototype precursor to these 4. What an insane machine - I’m surprised Honda don’t have it in their possession?


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Offline Glenn Stauffer

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Re: 1968 CB750 Example
« Reply #18 on: May 09, 2024, 05:36:32 AM »
Here is an article on a CB750 claimed to be one of the early prototype bikes.  http://www.sohc4.com/cb750/history/#the-cb750-prototype

The article and English translation was provided to me many years ago along with these more recent color photos of the bike.  The B&W photo is from the  Japanese article.


Offline Stev-o

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Re: 1968 CB750 Example
« Reply #19 on: May 09, 2024, 06:48:32 AM »
Saw this yesterday in my news feed.......

"Honda CB750 Prototype Takes Top Honor At The Quail"

https://www.roadracingworld.com/news/honda-cb750-prototype-takes-top-honor-at-the-quail/

'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline jakec

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Re: 1968 CB750 Example
« Reply #20 on: May 10, 2024, 09:57:11 AM »
Lots of info about this bike can be found here.

https://www.cb750prototype.com/

I actually helped in its restoration! An amazing piece of history.

I wish there was photos of how it looked when it was found. Do you have anything like that?
1970 CB750 K0
1977 CB750 Chop
1997 XR650L

Offline 69cb750

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Re: 1968 CB750 Example
« Reply #21 on: May 10, 2024, 06:42:32 PM »


Offline 69cb750

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Re: 1968 CB750 Example
« Reply #22 on: May 10, 2024, 06:44:46 PM »
Observe the differences between the 1969 black and white photo and the color photo.
1) Notice how the side cover enters the gromet in the two photos differs.
2) Notice the size and shape of the side cover triangle in front of the gromet differs.
3) Notice how the black and white has another step below the triangle the color photo does not have.
4) Notice how the black and white photo has a break in front of the screen the color photo does not have
5) Conclusion - these are different side covers.



Offline Ujeni

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Re: 1968 CB750 Example
« Reply #23 on: May 13, 2024, 09:05:50 PM »
Quote
Lots of info about this bike can be found here.
https://www.cb750prototype.com/
I actually helped in its restoration! An amazing piece of history.

Sam,
Are you free to tell the story how Vic got it and what will happen with the bike ?

Though I do know the story, it is not mine to tell. I don't know if Vic is on this site. If so, perhaps he will share.

I will say that Vic has had it for a long time and told very few people about it. Again, this is a project that Vic has been working on for a long time, so I don't want to steal any of his thunder. I enjoyed helping him with the restoration and seeing the bike completely disassembled. I thought his pre-production prototype was an incredible bike (it was and still is of course)...but the ACTUAL 1968 prototype is genuine motorcyling holy-grail material.

I would be surprised if it ends up selling for less that $500k.
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Sandcast #538 Watch the restoration!
Sandcast #6592 All original daily driver.

Offline AshimotoK0

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Re: 1968 CB750 Example
« Reply #24 on: May 19, 2024, 05:25:40 AM »
Just looked on Sandcast Only forum and nothing mentioned about it ...apart from my post saying the same thing.

I guess Facebook has taken over ... real shame because it was the go-to site for anything early CB750 and a wealth of knowledge on there ...probably regurgitated (and possibly distorted) on social media. At least this site and the sister UK site thrives on...long may it continue.
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