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Author Topic: K8 Build - Saved from the scrapyard  (Read 555 times)

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Offline CB_Jeff

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K8 Build - Saved from the scrapyard
« on: March 31, 2025, 01:19:35 PM »
Well I was not looking for another project, but I found one none the less.  It's interesting that K7 and K8's seem to be my "brand" - I do like them!
Anyhow, I found this K8 in the Northeast on Marketplace and was told that it's days were numbered before it went out for scrap.  The chrome looked good and the spokes weren't rusted, which is what I normally look for. 
The wiring was hacked and it looks like something fell on it and took out the headlight and fork ears.
I went for it with the justification that I had many of the spares needed to piece it back together. 

« Last Edit: March 31, 2025, 01:31:10 PM by CB_Jeff »
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Online denward17

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Re: K8 Build - Saved from the scrapyard
« Reply #1 on: March 31, 2025, 01:31:43 PM »
Hopefully the gas tank did not get damaged, good luck with the project, following for updates.
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Offline CB_Jeff

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Re: K8 Build - Saved from the scrapyard
« Reply #2 on: March 31, 2025, 01:33:48 PM »
No tank, sidecovers, carbs, or airbox.
Sean has hooked me up with some spares and I have some carbs.
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Offline newday777

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Re: K8 Build - Saved from the scrapyard
« Reply #3 on: March 31, 2025, 02:00:33 PM »
Congrats Jeff 👏
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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 CB_Jeff

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Re: K8 Build - Saved from the scrapyard
« Reply #4 on: March 31, 2025, 02:32:43 PM »
Through some sleuthing I found that this was the bike several years before I picked it up:

https://youtu.be/Emwihc4CWvs?si=AwMgnnQRRuPF5o_P
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Offline CB_Jeff

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Re: K8 Build - Saved from the scrapyard
« Reply #5 on: March 31, 2025, 02:35:15 PM »
Thanks Stu, I am going to need to need some swap meet parts to piece this one together.
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Offline newday777

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Re: K8 Build - Saved from the scrapyard
« Reply #6 on: March 31, 2025, 08:00:33 PM »
In case you haven't seen these Swapmeet posts coming up soon.
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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 Alan F.

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Re: K8 Build - Saved from the scrapyard
« Reply #7 on: March 31, 2025, 08:05:15 PM »
Also:
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Offline CB_Jeff

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Re: K8 Build - Saved from the scrapyard
« Reply #8 on: April 01, 2025, 12:00:50 PM »
I am planning to go to Mike's event in Worcester.  Have you been to the CT meet? 
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Offline Alan F.

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Re: K8 Build - Saved from the scrapyard
« Reply #9 on: April 01, 2025, 12:41:22 PM »
I went in 2008 or so, found a rough 19" Lester for $10 and sold it on ebay that night for $180, it was a good mix of American and Japanese with some automotive stuff, but it wasn't very big meet then, not sure about now.

I'll be at Mike's early with my van on my way out of town for a few weeks. I can carry stuff back up north for you guys, but I won't be back for a while.
« Last Edit: April 01, 2025, 12:44:24 PM by Alan F. »
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Offline newday777

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Re: K8 Build - Saved from the scrapyard
« Reply #10 on: April 01, 2025, 05:20:51 PM »
Quote from: CB_Jeff on April 01, 2025, 12:00:50 PM
I am planning to go to Mike's event in Worcester.  Have you been to the CT meet?
I haven't been to the CT Swapmeet yet.
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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 CB_Jeff

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Re: K8 Build - Saved from the scrapyard
« Reply #11 on: May 18, 2025, 12:59:44 PM »
Well, today's swap meet was a bit of a disappointment.  The good news is that i will have more funds available for Rice-o- Rama in September. 
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Offline newday777

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Re: K8 Build - Saved from the scrapyard
« Reply #12 on: May 18, 2025, 04:14:33 PM »
Quote from: CB_Jeff on May 18, 2025, 12:59:44 PM
Well, today's swap meet was a bit of a disappointment.  The good news is that i will have more funds available for Rice-o- Rama in September.
You were at Jap Bike Mike's Swap Meet?? I was there!
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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 madmtnmotors

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Re: K8 Build - Saved from the scrapyard
« Reply #13 on: May 18, 2025, 05:39:22 PM »
I happen to prefer the K8's as well. There are the newest SOHC CB750 you can get!
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TAMTF...


Wilbur



Projects:
"Evolution": http://forums.sohc4.net/index.php?topic=100352.0
"P.O. Debacle": http://forums.sohc4.net/index.php/topic,126692.msg1441661.html#msg1441661
F2/F3 O-rings: http://forums.sohc4.net/index.php?topic=113672.msg1300721#msg1300721
Cam Tower Studs: https://www.mcmaster.com/#93210a017/=t19sgp
Clean up that nasty harness: http://forums.sohc4.net/index.php?topic=137351.msg1549191#msg1549191
http://forums.sohc4.net/index.php/topic,148188.msg1688494.html#msg1688494
http://forums.sohc4.net/index.php/topic,139544.msg1579364.html#msg1579364
                                          
Charging system diagnosis: http://forums.sohc4.net/index.php?topic=1012.msg8345#msg8345
Get the manuals: http://manuals.sohc4.net/cb750k/
The Dragon: http://forums.sohc4.net/index.php?topic=45183.msg1571675#msg1571675
Headlight Switch: http://forums.sohc4.net/index.php?topic=113986.msg1283236#msg1283236
Branden's leak free top end thread: http://forums.sohc4.net/index.php?topic=107040.0
Engine Lifting Made Easy: http://forums.sohc4.net/index.php/topic,58210.msg1684742.html#msg1684742
                                      http://forums.sohc4.net/index.php/topic,100352.msg1675840.html#msg1675840
Static and Dynamic Timing: http://www.hondachopper.com/garage/carb_info/timing/timing1.html
Airbox Gasket Replacement: http://forums.sohc4.net/index.php/topic,114485.msg1290000.html#msg1290000
"Café" : http://forums.sohc4.net/index.php/topic,84697.msg953814.html#msg953814
PD Carb Choke Linkage: http://forums.sohc4.net/index.php/topic,100352.msg1669248.html#msg1669248
                                    http://forums.sohc4.net/index.php/topic,110931.msg1248354.html#msg1248354
                                    http://forums.sohc4.net/index.php/topic,48858.msg515204.html#msg515204
Follow up on your damn posts: http://forums.sohc4.net/index.php/topic,144305.msg1791605.html#msg1791605
Taiwanese Cam Chain Tensioners:  http://forums.sohc4.net/index.php/topic,155043.msg1774841.html#msg1774841
Gumtwo Seat Cover: http://forums.sohc4.net/index.php/topic,164440.msg1897366.html#msg1897366
Primary Drive: http://forums.sohc4.net/index.php/topic,166063.msg1919278.html#msg1919278
Tank Latch: http://forums.sohc4.net/index.php/topic,165975.msg1919495.html#msg1919495
Shorten your forks: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-shorten-forks-td4042465.html DO NOT CUT THE SPRINGS!
Clutch How To: http://vintage-and-classic-honda-s.456789.n3.nabble.com/How-to-change-and-adjust-a-clutch-SOHC-td4040391.html
Late model K7/K8/F2/F3 front sprocket cover removal: http://forums.sohc4.net/index.php/topic,178428.msg2072279.html#msg2072279
630 to 530 conversion: http://forums.sohc4.net/index.php/topic,180710.msg2094423.html#msg2094423

Sent from my Tandy TRS-80!

Offline CB_Jeff

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Re: K8 Build - Saved from the scrapyard
« Reply #14 on: May 19, 2025, 02:49:51 AM »
Yes, I was there, early-ish btwn 7 and 8.
Not much Honda stuff at that point.
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Offline CB_Jeff

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Re: K8 Build - Saved from the scrapyard
« Reply #15 on: May 28, 2025, 02:40:02 AM »
Update - and fast forward a month or two, the bike is a runner.  Sort of.  The bike needed alot, including a new harness, carbs, carbs rebuilt, etc....but it is back together enough to run it.  Pics to follow this evening.
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