Author Topic: Back after 34 years  (Read 2832 times)

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Offline ksteve

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Back after 34 years
« on: December 03, 2011, 07:24:22 PM »
Hi, All,

I just rejoined the ranks of sohc CB750 owners after...ehem...a few years’ absence.

My last sohc was a candy gold 750 K2. It was the summer of 1977, Chicago, when I bought it. I had a first date on that straight-stock bike, riding double into Michigan with the woman who now is still my wife. I had to sell that beauty after the first snowfall that year to pay college bills, but I can still hear its grumble to this day.

Well, look what I found last month:

 [/img]

1972 CB750 K2, candy gold, 99% stock, 19,000 miles.
The bike was waiting for me in a driveway, looking like a long-lost friend.

Its second owner had pulled it out of its hibernation in his garage, where it had sat unused for 25 years. Now he just wanted to see it in understanding hands.

I noticed it had a few dents, a broken clutch-lever fitting, no center stand, the tank paint slightly faded. There was mirky funk in the tank--a semi-liquid mash of deceased gasoline, a scum of lacquer and a thin layer of rust.

But we were neither of us young anymore were we?

So my sons and I had no choice but to settle that nagging question: Can you tuck a CB750 into an Odyssey? (That's my eldest son's face, my butt.):

[/img]

Back home, I took a better look. No gunk at all in the carb bowl I opened up and the float needles move freely.

[/img]

The engine turns over, and the rubber is still in remarkably good shape.

Things to fix:

-New seals, gaskets, brake master, tires, lots more.

-Find a center stand.

-Replace smashed points cover.

-Replace cut-off petcock lever (anyone got a lever to spare?).

-Replace broken left-hand switch/clutch-lever fitting.

-And those beehives have got to go:

[/img]

But it's all coming back as I pore over this bike, like looking into an old photo album at an old close friend.

You see, this is my 4th CB750.

-#3 was that K2 back in ’77. 

-#2 was a K0/K1/K2/K3 Frankencycle I built in ‘75. I couldn’t afford even a used 750—I was in high school in Tokyo. So I started with an engine a friend sold me for $10 and built up a hybrid from parts I bought cheap off junked bikes I found in the back lots of Tokyo motorcycle shops.

The end result, bike and owner, in the summer of '75:

[/img]

I had to sell that cobbled-together beauty to fly to the U.S. for college.

-#1 was one of those Tamiya plastic models, a golden CB750 K0 I glued together as a 9th grader after seeing the real things on the streets and not being able to wait until I was 16.

I feel like I'm back there again.

Thanks in advance for all the help I suspect I'll find on this site as I revive this bike to its original rideable beauty. First step is to rebuild carbs and clean the tank as I plan how to test out the engine and look for used parts to replace the broken and missing ones.

Cheers,
Steve

 

Offline Roach Carver

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Re: Back after 34 years
« Reply #1 on: December 03, 2011, 08:13:28 PM »
Welcome back? Make sure the points shaft or whatever its called isnt bent.

Offline scottly

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Re: Back after 34 years
« Reply #2 on: December 03, 2011, 08:24:18 PM »
Great intro! Welcome back. ;D
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Offline mrbreeze

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Re: Back after 34 years
« Reply #3 on: December 03, 2011, 08:31:49 PM »
Took ya long enough!!!! Enjoy the new project..............good lookin' bike!!!
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Offline Terry in Australia

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Re: Back after 34 years
« Reply #4 on: December 03, 2011, 10:32:04 PM »
That's a nice looking jigger mate, well done! I'm sure you're gonna replace those tires with some nice fresh new ones, obviously you're not gonna risk life and limb relying on 25 year old rubber? I wish I could find bikes like that here in Oz! Cheers, Terry. ;D
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Offline MoMo

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Re: Back after 34 years
« Reply #5 on: December 04, 2011, 03:48:45 AM »
Welcome, good intro and nice find....Larry

Offline milk bone

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Re: Back after 34 years
« Reply #6 on: December 04, 2011, 05:31:22 AM »
looks like a great project to start with. welcome back, most of all have fun

Offline dhall57

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Re: Back after 34 years
« Reply #7 on: December 04, 2011, 05:52:35 AM »
Welcome back to the sohc4 world Steve. I like your vintage photo of you and the 750 back in 1975. Keep us up to date on your current project ;D I know what your saying, I was out of the Honda bike world for many years. I sold my 76 CB550 in the late 70's and it wasn't until 2009 that the bug hit me again a CB750K6 and than May of this year got a CB750KO. Now I'm hooked for good ;D More pics when you get a chance, and some info how and where did you find it etc.? Its amazing what you can get in a mini van ::) Two other members, Johnie and hoodellyhoo did the same thing with a CB 750 hoodelly had purchased.

thanks
dhall
« Last Edit: December 04, 2011, 07:42:43 AM by dhall57 »
1970 CB750KO
1971 CB500KO-project bike
1973 CB350G- project bike
1974 CB750K4-project bike
1974 CB750K4
1976 CB750K6
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1997 Harley Wideglide

Offline Prospect

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Re: Back after 34 years
« Reply #8 on: December 04, 2011, 08:46:39 AM »
Great story.  Good luck with the project.  I have a gold k1 that I'm working on too. 
Current Bikes

1969 CB750  Sandcast #256
1971 CB750K1
1972 CB750K1
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1954 Harley Davidson Panhead
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Offline CycleRanger

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Re: Back after 34 years
« Reply #9 on: December 04, 2011, 08:55:26 AM »
Great intro! Welcome back. ;D

Indeed a good intro! 

Howdy!  Thanks for the the great pictures.
Do you have a copy of the Honda Shop Manual or Parts List for your bike? Get one here:
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Offline Damfino

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Re: Back after 34 years
« Reply #10 on: December 04, 2011, 09:07:52 AM »


Awesome Steve. Looking pretty 'groovy' in that picture there. ;D  Good luck with #4!
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Online Stev-o

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Re: Back after 34 years
« Reply #11 on: December 04, 2011, 10:53:49 AM »
Welcome! We'll help you out in any way you need.

Parts are plentiful, check the for sale section of this forum and eBay.
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Offline ksteve

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Re: Back after 34 years
« Reply #12 on: December 04, 2011, 02:53:23 PM »
Thanks for the warm welcome, everybody!
It's going to be a fun project for over the winter.
I took a closer look at the tank today, inside and out. A few pix:

Outside (small dent at front of black stripe;cut-off petcock handle):




And inside (smells nasty):




The tires definitely need to go:




Need to find a replacement for this:




Anyone have an explanation for these?



I guess I should soon start a projects thread.

Cheers,
Steve

Offline MoMo

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Re: Back after 34 years
« Reply #13 on: December 04, 2011, 03:05:45 PM »
Nasty looking tank, but the outside does look very useable.   The fork caps are one of many different  products put out in the 70's to turn a 750 into the ultimate street cruiser ::) ::).  Those tires still have many miles left :P...Larry

Offline Roach Carver

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Re: Back after 34 years
« Reply #14 on: December 04, 2011, 03:13:20 PM »
Nasty looking tank, but the outside does look very useable.   The fork caps are one of many different  products put out in the 70's to turn a 750 into the ultimate street cruiser ::) ::).  Those tires still have many miles left :P...Larry

Those look tappet cover dealies to me.

Online Stev-o

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Re: Back after 34 years
« Reply #15 on: December 04, 2011, 03:16:24 PM »
Nasty looking tank, but the outside does look very useable.   The fork caps are one of many different  products put out in the 70's to turn a 750 into the ultimate street cruiser ::) ::).  Those tires still have many miles left :P...Larry

Those look tappet cover dealies to me.

And the only miles those tires are doing is to the dump!  [or better yet, the recycler]
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline ofreen

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Re: Back after 34 years
« Reply #16 on: December 04, 2011, 03:19:56 PM »
Anyone have an explanation for these?



Yes.  Somebody wasn't breast-fed by their mommy and their subconscious took over.
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Offline Prospect

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Re: Back after 34 years
« Reply #17 on: December 04, 2011, 05:58:47 PM »
You'll be surprised how well those chrome rims can clean up using steel wool.
Current Bikes

1969 CB750  Sandcast #256
1971 CB750K1
1972 CB750K1
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1975 GL1000 Goldwing
1954 Harley Davidson Panhead
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Re: Back after 34 years
« Reply #18 on: December 04, 2011, 06:07:31 PM »
You'll be surprised how well those chrome rims can clean up using steel wool.

Especially the rear rims that have been well preserved by chain lube!
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline bender01

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Re: Back after 34 years
« Reply #19 on: December 04, 2011, 06:46:45 PM »
Welcome. Thats a great reunion!
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So, the strategy is to lie to people you are asking for help?

I think I'll be busy going for a ride.

Good luck!
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Offline Terry in Australia

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Re: Back after 34 years
« Reply #20 on: December 04, 2011, 10:59:01 PM »

Anyone have an explanation for these?


Cheers,
Steve

G'Day Steve those "Beehive" tappet adjuster caps were popular "back in the day" and probably easier to remove and install than the "soft as cheese" originals. Take them off, but don't throw them away, they're part of America's custom motorcycle history! Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline bjatwood

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Re: Back after 34 years
« Reply #21 on: December 05, 2011, 12:25:54 PM »
Welcome back. These bikes get in your blood and there is NO cure for it. You just always have to have one.
You have found the right site for any and all questions about your bike. And a few answers to why the Earth rotates also! LOL
I will be following your progress as the bike returns to 1970's Greatness  ;)
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Offline 754

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Re: Back after 34 years
« Reply #22 on: December 13, 2011, 10:34:31 AM »
 I really enjoyed your intro story.. I too had a gold 72 for my first 754..

 The tappet covers were sold by Jammer and others, people willing to buy that stuiff these days..
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Offline 70CB750

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Re: Back after 34 years
« Reply #23 on: December 13, 2011, 12:24:34 PM »
Great intro, welcome!
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Offline zzpete

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Re: Back after 34 years
« Reply #24 on: December 13, 2011, 01:16:42 PM »
Welcome back! You have a great project to start with. Your carbs look pretty good ant that tank should clean up nice! Good Luck!!! ;D
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Offline ksteve

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Re: Back after 34 years
« Reply #25 on: December 13, 2011, 09:31:56 PM »
Thanks for the warm welcome, everyone!
I've got the carbs off and ready to rebuild, the tank off and ready to un-crud, and am starting to collect some of the missing or broken parts.
Importantly, I got proper tappet plugs to replace the beehives.
Best of all, my wife's all into this project. (As I mentioned in my intro, my last K2 in 1977 was the vehicle for our first date, so it's like "Honey, I just want to restore it to how that bike was on our first date." hehe. )
I'll start a thread soon in the projects section.