Author Topic: New Bike Day!! 1976 CB750!!  (Read 1463 times)

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Offline God of Thunder

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New Bike Day!! 1976 CB750!!
« on: April 08, 2024, 09:26:09 PM »
To start with - I'm still working on the 1970 CB750K1, but when this beauty came up today - there was no telling it 'no!'

This is a 1976 CB750 with a title. I'm told that the bike was parked in 1986 because he was scared it was too fast! He said every month or so, he'd come out into his shed and turn it over with the kickstarter to keep the engine oil moving around. The bike is covered with dirt - but dang after a bath she's going to look gorgeous!

Not only am I quite thrilled, it's got the original HM341's!! So far, I haven't found anything wrong with the exhaust (holes, rust, etc). The compression "feels" incredibly strong, stronger than any other CB750 I've had - I honestly feel with a short blast of starting fluid, she might just start up. I'm "told" there is no oil leaks or anything like that - but she just got home so we'll see to that tomorrow.

So far, it all looks original to me and I'm THRILLED!

I'll update this thread as we get deeper, but I'm about to move the 1970 back to the house, so it should be a real good time!

Also - the headlight is in the fairing that was included, I've got to figure out how to remove it from there and re-hook it up! Tomorrow will be a great day and we'll see what happens with some battery power!



















1970 CB750K1
1976 CB750K6

Offline newday777

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Re: New Bike Day!! 1976 CB750!!
« Reply #1 on: April 09, 2024, 12:21:09 AM »
😎
Congratulations
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 gearsoup

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Re: New Bike Day!! 1976 CB750!!
« Reply #2 on: April 09, 2024, 01:36:27 AM »
Congratulations!
Interesting that the PO relocated the rear blinkers. On my '76, they're attached to the grab bar. They also appear to be the older style of blinkers, don't they?
Current Project: CB750-K6 (hoping for OEM look)
Future Project: CB750-K8  (likely go wild on this build)

Offline newday777

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Re: New Bike Day!! 1976 CB750!!
« Reply #3 on: April 09, 2024, 01:57:37 AM »
Congratulations!
Interesting that the PO relocated the rear blinkers. On my '76, they're attached to the grab bar. They also appear to be the older style of blinkers, don't they?
The bike probably had saddlebags added, which necessitated relocation of the signals
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 rocket johnny

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Re: New Bike Day!! 1976 CB750!!
« Reply #4 on: April 09, 2024, 07:03:01 AM »
good looking project !   looking forward to seeing some pics after she gets a good bath and some scrubbing !  the 76's are great bikes

Offline denward17

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Re: New Bike Day!! 1976 CB750!!
« Reply #5 on: April 09, 2024, 07:53:43 AM »
Nice looking find, especially with title.

Offline God of Thunder

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Re: New Bike Day!! 1976 CB750!!
« Reply #6 on: April 09, 2024, 01:18:19 PM »
Afternoon everyone! I need to do a basic wash on this thing to get off years of grime. Of all the things I've found, not one talks about just "washing" - its all threads on what to use if you're about to paint the engine. I'm just needing a basic wash, can I use like Dawn Dish Soap? Or should I just go to walmart and get an automotive/motorcycle specialty soap? I don't want to take any finish/shine/etc off the original engine or paint!
1970 CB750K1
1976 CB750K6

Offline denward17

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Re: New Bike Day!! 1976 CB750!!
« Reply #7 on: April 09, 2024, 02:31:23 PM »
I would think Dawn dish washing detergent would be fine, might even be too mild for some greasy areas on the engine.

Offline newday777

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Re: New Bike Day!! 1976 CB750!!
« Reply #8 on: April 09, 2024, 03:01:46 PM »
With all that dirt layer you need to soften it gently(easy running hose, no pressure, and do not rub it into the paint. There's a foaming car/bike spray on with a hose applicator (@ 6:55 in video)(sorry I don't remember the name).
Brickhouse Builds uses the hose applicator and foam, but I don't recommend using a pressure washer like he did
first.

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: New Bike Day!! 1976 CB750!!
« Reply #9 on: April 09, 2024, 03:14:18 PM »
A foam cannon to spray the foaming soap will loosen that embedded dirt.

Foam cannon

Modena Detailing Car Wash Foam Gun + Microfiber Wash Mitt - Car Foam Sprayer - Foam Cannon Garden Hose - Spray Foam Gun Cleaner - Car Wash Kit - Car Accessories - Snow Foam Blaster (Blue) https://a.co/d/h1eQIUF

Foaming soap

Chemical Guys CWS 110 16 Honeydew Snow Foam Car Wash Soap (Works with Foam Cannons, Foam Guns or Bucket Washes) Safe for Cars, Trucks, Motorcycles, RVs & More, 16 fl oz, Honeydew Scent https://a.co/d/7H1SrQl
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 God of Thunder

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Re: New Bike Day!! 1976 CB750!!
« Reply #10 on: April 09, 2024, 09:01:16 PM »
So I opted for a small amount of dawn as a basic wash. I figured if it was safe enough for ducks, it would be good on an engine. Unfortunately that train of thought was poor because it did appear to strip some paint from the engine heads. Here's a few before and after photos! I also took some videos so I'll link those at the bottom!

BEFORE:












and the AFTER!:














« Last Edit: April 09, 2024, 09:28:35 PM by God of Thunder »
1970 CB750K1
1976 CB750K6

Offline God of Thunder

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Re: New Bike Day!! 1976 CB750!!
« Reply #11 on: April 09, 2024, 09:03:34 PM »
1970 CB750K1
1976 CB750K6

Offline Stev-o

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Re: New Bike Day!! 1976 CB750!!
« Reply #12 on: April 10, 2024, 06:59:23 AM »
Congrats....cleaned up nice.
'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: New Bike Day!! 1976 CB750!!
« Reply #13 on: April 10, 2024, 08:04:03 AM »
Looking forward to where this one goes.
1973 CB 750 K3
10/72 build Z1 Kawasaki

Offline Don R

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Re: New Bike Day!! 1976 CB750!!
« Reply #14 on: April 10, 2024, 08:40:50 AM »
 My Sandcast 750 came home looking a lot like that, I discovered the chrome was coated with WD40 and the paint had blue coral wax on it. All of the dirt came right off the chrome and fortunately the wax also wiped off after it was washed. 
 It was lucky for me, the dirt looked like corrosion and scared off the other bidders at the estate sale.

 Congrats on the find, it looks pretty complete except where the windjammer was and those parts are not hard to find. I have similar taillight brackets on my license plate frame but I run drag specialties red mini lights that work with the tail and brake lights and kept the original yellow turn signals. It would also be easy to adapt to the early turn signals with the shorter stalks if you aren't doing an original restoration.
« Last Edit: April 10, 2024, 08:46:53 AM by Don R »
No matter how many times you paint over a shadow, it's still there.
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 You don't need a weatherman to know which way the wind blows.

Offline God of Thunder

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Re: New Bike Day!! 1976 CB750!!
« Reply #15 on: April 10, 2024, 08:54:03 PM »
Small update. I went out and put battery power to it for the first time. The dash lights up, recognizes its in neutral. No headlight. No tailights. Brake light works. Start button does not trigger the starter. I didn't dive any deeper right now, but that's where it's at after a very quick check!
1970 CB750K1
1976 CB750K6

Offline Shtonecb500

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Re: New Bike Day!! 1976 CB750!!
« Reply #16 on: April 11, 2024, 11:39:09 AM »
nice score, I would just make it whole and leave it alone as a patina rider. I had a 550 I found in a barn once and I chopped it up. I found old pictures of it and wish I had parked it in the garage as is and never touched it.

I would have had a solid, purple, running survivor 550, instead I was an idiot.


Nice score on your k1 as well, You couldn't score the tach and speedo for 400 if you tried, plus a title! My biggest thing about a K1 is finding one with title and its original motor, I always find them with a swapped power plant. My k1 was missing a bunch of stuff, cost a little bit of coin to make it whole again but it was worth it...still dragging it to the finish line.
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: New Bike Day!! 1976 CB750!!
« Reply #17 on: April 11, 2024, 03:33:27 PM »
I’d pull that air box and make sure there is nobody living there before you spin it! Nice project.

Offline Don R

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Re: New Bike Day!! 1976 CB750!!
« Reply #18 on: April 11, 2024, 06:36:27 PM »
 That 76 start button can fail and take out the starter and the headlight.
No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline HondaMan

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Re: New Bike Day!! 1976 CB750!!
« Reply #19 on: April 12, 2024, 08:16:09 PM »
What a nice find!
Did you get the fairing, too?
(Being a since-the-beginning fan of the Windjammer, I'm always curious.) ;)
See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

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

Link to My CB750 Book: https://www.lulu.com/search?adult_audience_rating=00&page=1&pageSize=10&q=my+cb750+book

Link to website: www.SOHC4shop.com

Offline God of Thunder

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Re: New Bike Day!! 1976 CB750!!
« Reply #20 on: April 12, 2024, 11:12:35 PM »
What a nice find!
Did you get the fairing, too?
(Being a since-the-beginning fan of the Windjammer, I'm always curious.) ;)

Oh yes.....there's a fairing! LOL
1970 CB750K1
1976 CB750K6

Offline God of Thunder

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Re: New Bike Day!! 1976 CB750!!
« Reply #21 on: April 12, 2024, 11:13:32 PM »
Can anyone confirm I have the placement and orientation correct for the key? I wanted to relocate it back down to the side!



1970 CB750K1
1976 CB750K6

Offline newday777

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Re: New Bike Day!! 1976 CB750!!
« Reply #22 on: April 13, 2024, 01:12:02 AM »
Can anyone confirm I have the placement and orientation correct for the key? I wanted to relocate it back down to the side!




Yes that is the original spot from the factory.
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 BenelliSEI

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Re: New Bike Day!! 1976 CB750!!
« Reply #23 on: April 13, 2024, 05:39:54 AM »
Is the washer there? One with tabs that lock in the switch and the bracket? When used, the switch only goes one way……..Usually gone, when the switch gets relocate  I like the “ON” position straight up.

Offline newday777

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Re: New Bike Day!! 1976 CB750!!
« Reply #24 on: April 13, 2024, 09:01:35 PM »
Is the washer there? One with tabs that lock in the switch and the bracket? When used, the switch only goes one way……..Usually gone, when the switch gets relocate  I like the “ON” position straight up.
It looks like it is there and the switch is in the proper position.
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