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Author Topic: CB 750 K1 GT New Pics with a new look  (Read 124985 times)

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Offline tweakin

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CB 750 K1 GT New Pics with a new look
« on: November 14, 2013, 06:03:49 PM »
I thought I was done with builds for awhile but the universe works in strange ways...  After checking out BrandEns 74 build I started to get a slight urge for a build but could have fought it off.  That was until I received a text from a buddy who was cleaning out his garage and offered my his titled K1 that was partially torn apart for $600, DAMN!  Hooked up the trailer and headed up to his place, cash in hand.  When I get there and start loading the K1 he says... Why don't you just take the K3 also...$#%#!  No cost I just want my garage cleared out.  Thanks Russ!

The K1 is complete but partially torn down and the K3 is complete but without a title.  All I really know is F2/F3 so I will be needed some guidance from the experts on this build.
K1





K3





Both are pretty crusty but the plan is to build the K1 and use the K3 for parts as needed.  Both fuel tanks are in excellent condition and all parts are there for both bikes.



« Last Edit: May 30, 2016, 01:02:06 PM by tweakin »
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Offline cheftuskey121

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Re: Tweakin's K1 build
« Reply #1 on: November 14, 2013, 06:07:16 PM »
It's like role reversal day or something. Good luck with it. I know you can turn it into something pretty, so what's your goal here?
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Offline Stev-o

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Re: Tweakin's K1 build
« Reply #2 on: November 14, 2013, 06:10:21 PM »
Subscribed.  I've seen your F build threads, doubt you'll need much guidance!
Why'd he pull the K1 motor?
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Offline brandEn

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Re: Tweakin's K1 build
« Reply #3 on: November 14, 2013, 06:20:45 PM »
Hell YA, count me in.
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Offline MoMo

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Re: Tweakin's K1 build
« Reply #4 on: November 14, 2013, 06:32:37 PM »
You certainly have your work cut out..........................slight understatement ::).  That's a great deal though...larry
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Offline tweakin

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Re: Tweakin's K1 build
« Reply #5 on: November 14, 2013, 06:49:04 PM »
Quote from: Stev-o on November 14, 2013, 06:10:21 PM
Subscribed.  I've seen your F build threads, doubt you'll need much guidance!
Why'd he pull the K1 motor?
Thanks Stev-o.   He pulled the motor because he was planning a total rebuild of the bike.
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Offline tweakin

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Re: Tweakin's K1 build
« Reply #6 on: November 14, 2013, 06:50:36 PM »
Quote from: MoMo on November 14, 2013, 06:32:37 PM
You certainly have your work cut out..........................slight understatement ::).  That's a great deal though...larry
When I rebuild a bike I do a complete rebuild from the engine up, so I see this as time saved... Ha ha.  Less tear down for me.
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Offline Blackfin5

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Re: Tweakin's K1 build
« Reply #7 on: November 14, 2013, 08:52:08 PM »
Being so impressed with your '77 F2 build (amazing is an understatment), I will definitely be following this one for guidance VERY closely since i just picked up a '76 F1 too (and another 550 for my buddy)!  My F1 has to wait until my 550 Gulfstream is finished.....well, maybe not............

I'm sure this will not disappoint.

Cheers.
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Tweakin's K1 build
« Reply #8 on: November 14, 2013, 08:58:31 PM »
I was wondering how long you'd be able to hold out  ;)
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Offline SOHC4 Cafe Racer Fan

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Re: Tweakin's K1 build
« Reply #9 on: November 14, 2013, 09:13:07 PM »
What a steal of a deal!!   ;D
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1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
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"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

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2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
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Offline flybox1

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Re: Tweakin's K1 build
« Reply #10 on: November 14, 2013, 09:16:03 PM »
No doubt they'll be awesome.  8)
« Last Edit: November 15, 2013, 07:13:27 AM by flybox1 »
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Offline nvr2old

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Re: Tweakin's K1 build
« Reply #11 on: November 14, 2013, 10:47:10 PM »
Boy, those bikes are rough, but if anyone can make a silk purse out of a sow's ear, it's you, tweakin.  We'll be following along for sure.  My 400F will be a cake-walk compared to that.. ;D
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Offline tweakin

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Re: Tweakin's K1 build
« Reply #12 on: November 15, 2013, 04:58:28 AM »
Quote from: nvr2old on November 14, 2013, 10:47:10 PM
Boy, those bikes are rough, but if anyone can make a silk purse out of a sow's ear, it's you, tweakin.  We'll be following along for sure.  My 400F will be a cake-walk compared to that.. ;D
Thanks Larry.  As soon as I get my FB side covers I will be sending some bits your way.
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Offline lwahples

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Re: Tweakin's K1 build
« Reply #13 on: November 15, 2013, 07:48:27 AM »
Two for one deal,Sweet! Looks like I'll have some good reading this winter. Good Luck.
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Offline SOHC4 Cafe Racer Fan

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Re: Tweakin's K1 build
« Reply #14 on: November 15, 2013, 09:24:48 AM »
Quote from: lwahples on November 15, 2013, 07:48:27 AM
Two for one deal,Sweet! Looks like I'll have some good reading this winter. Good Luck.
+1
Tweakin', you must have a roomy garage for all your beautiful toys.
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline Retro Rocket

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Re: Tweakin's K1 build
« Reply #15 on: November 15, 2013, 01:47:33 PM »
I'm in... ;)
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Offline andy750

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Re: Tweakin's K1 build
« Reply #16 on: November 15, 2013, 05:03:48 PM »
K1 is interesting as the triple tree has the red light in the center which I believe was a speed indicator and usually only found on Japanese models.

Cant wait to see what you do with these.
Good luck!
Andy
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Offline tweakin

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Re: Tweakin's K1 build
« Reply #17 on: November 15, 2013, 05:43:04 PM »
Quote from: andy750 on November 15, 2013, 05:03:48 PM
K1 is interesting as the triple tree has the red light in the center which I believe was a speed indicator and usually only found on Japanese models.

Cant wait to see what you do with these.
Good luck!
Andy
Thanks for checking in Andy.  that is interesting about the red light in the unicorn, maybe I will post up a question to get clarification.  It also has a 6 hole front brake carrier that is different than the K3.
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Offline Greggo

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Re: Tweakin's K1 build
« Reply #18 on: November 15, 2013, 06:08:02 PM »
Subscribed! 

Do any of the stickers on the bike (swing arm, rear fender, oil tank) have japanese writing on them?  Could have just been a top triple swap with the changed out tach, but if there are other signs, it may be an actual JDM (Japanese Domestic Market) bike.
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Offline Retro Rocket

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Re: Tweakin's K1 build
« Reply #19 on: November 15, 2013, 11:57:07 PM »
Quote from: tweakin on November 15, 2013, 05:43:04 PM
Quote from: andy750 on November 15, 2013, 05:03:48 PM
K1 is interesting as the triple tree has the red light in the center which I believe was a speed indicator and usually only found on Japanese models.

Cant wait to see what you do with these.
Good luck!
Andy
Thanks for checking in Andy.  that is interesting about the red light in the unicorn, maybe I will post up a question to get clarification.  It also has a 6 hole front brake carrier that is different than the K3.

Red light = speed alert for Japanese domestic models mate, Andy is correct.... ;D ;)
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750 K2 1000cc
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If You can't fix it with a hammer, You've got an electrical problem.

Offline tweakin

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Re: Tweakin's K1 build
« Reply #20 on: November 17, 2013, 12:53:47 PM »
The Plan is for a complete engine rebuild, 836, minor head work ect.  nothing like having a rebuilt engine sitting in the shop to keep me motivated.  Then I will have never2old do the paint and build the bike around that.

Tore down the 71 engine this am and have been surprised so far on how everything looks.


Soaking the studs for a few days to help with removal.


Next i will inspect all the internals and order new bearings.
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Offline Just4fun

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Re: Tweakin's K1 build
« Reply #21 on: November 17, 2013, 08:57:00 PM »
I learned a lot reading both you and Branden's other builds, I am subscribed. 


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Offline tweakin

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Re: Tweakin's K1 build
« Reply #22 on: November 18, 2013, 06:26:23 AM »
Branden does a much better job documenting his builds for sure.  I am more of a go into the garage, put in work and take pictures later.  Ha Ha.
Thanks for joining up.
Quote from: Just4fun on November 17, 2013, 08:57:00 PM
I learned a lot reading both you and Branden's other builds, I am subscribed. 


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Offline Tews19

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Re: Tweakin's K1 build
« Reply #23 on: November 18, 2013, 09:22:28 PM »
Subscribed! Fast work tearing into the engine.
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Offline nvr2old

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Re: Tweakin's K1 build
« Reply #24 on: November 19, 2013, 10:08:35 AM »
After your first two, you should be able to tear an engine down in your sleep at this point, eh, tweakin?   ;D   Anxious to see the progress.
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