Author Topic: Donny_B 1978 CB750K Build..  (Read 6141 times)

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Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #25 on: January 08, 2012, 06:15:42 PM »
Well, It's been a while since I posted. I was out of the country working. I changed my mind about the front end. I decided to go with a modern GXSR front end instead. I really like the look. Added were:

GSXR Front End
Benjie Oil Tank
MAC Exhaust
Joker Points Cover
Joker Clutch Cover
Joker Side Mirrors
Dyna Electronic Ignition
Rick's Rectifier/Regulator




Offline ryanbfast

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Re: Donny_B 1978 CB750K Build..
« Reply #26 on: January 08, 2012, 06:34:01 PM »
Looks sweet
69 cb350 X2
73 rd350
67 cl77
cb550 build
http://forums.sohc4.net/index.php?topic=98239.0

Offline lucky

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Re: Donny_B 1978 CB750K Build..
« Reply #27 on: January 08, 2012, 10:21:05 PM »
Very nice bike and good work.
Will like to see it painted.

What did you do to convert the steering stem from the R6 to fit the Honda?

Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #28 on: January 08, 2012, 10:45:34 PM »
Very nice bike and good work.
Will like to see it painted.

What did you do to convert the steering stem from the R6 to fit the Honda?

Thank you very much.. I used the CB stem in the GSXR front end. The are a couple of guys here that did it. I got all the info from this site.

Offline Retro Rocket

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Re: Donny_B 1978 CB750K Build..
« Reply #29 on: January 08, 2012, 10:48:42 PM »
Hi Donny, its cool that the CB stem is the same diameter, i have one in a GSXR1100K front end, pressed straight in. Is that rear wheel a 17 or 18 mate.?
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #30 on: January 09, 2012, 06:34:41 AM »
Hi Donny, its cool that the CB stem is the same diameter, i have one in a GSXR1100K front end, pressed straight in. Is that rear wheel a 17 or 18 mate.?

Thanks Rocket..... the stem is a tad bit smaller. I placed a shim in there to make it work. Its in there pretty tight.

Offline Retro Rocket

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Re: Donny_B 1978 CB750K Build..
« Reply #31 on: January 09, 2012, 04:37:37 PM »
Hi Donny, its cool that the CB stem is the same diameter, i have one in a GSXR1100K front end, pressed straight in. Is that rear wheel a 17 or 18 mate.?

Thanks Rocket..... the stem is a tad bit smaller. I placed a shim in there to make it work. Its in there pretty tight.

Cool, i didn't need any shims, just a decent press to reinstall it. Whats your rear rim size mate.? 17 or 18.?
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #32 on: January 09, 2012, 05:19:22 PM »
Hi Donny, its cool that the CB stem is the same diameter, i have one in a GSXR1100K front end, pressed straight in. Is that rear wheel a 17 or 18 mate.?

Thanks Rocket..... the stem is a tad bit smaller. I placed a shim in there to make it work. Its in there pretty tight.

Cool, i didn't need any shims, just a decent press to reinstall it. Whats your rear rim size mate.? 17 or 18.?

There was a member here who heated the stem and stretched it to fit. I wanted to do that too, but I don't have that kind of heat and tool to do that. I couldnt find anyone here in AZ to help me either so I had to shim it. The rear is a stock 17, I wish it was an 18 though. I don't like the way it looks.

Offline Retro Rocket

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Re: Donny_B 1978 CB750K Build..
« Reply #33 on: January 09, 2012, 06:13:57 PM »
I actually like the 17 on your bike because you've managed to find a higher profile tire to fill up the rear of the bike, looks good.
750 K2 1000cc
750 F1 970cc
750 Bitsa 900cc
If You can't fix it with a hammer, You've got an electrical problem.

Offline dawdish

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Re: Donny_B 1978 CB750K Build..
« Reply #34 on: April 15, 2012, 07:38:17 AM »
Nice front end, is the front wheel Honda? or something else.
'75 CB400F
'72 CB500 Four
1 CB550 Chappa (barn find)
1 '75 CB550 (barn find)
'81 Guzzi V1000( I couldn't help myself)

Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #35 on: April 15, 2012, 10:24:59 AM »
Nice front end, is the front wheel Honda? or something else.


Thanks you, the front wheel is a Narrow Glide Harley wheel....take care. db

Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #36 on: June 23, 2012, 03:08:14 AM »
The bike is pretty much done except for paint. I've been overseas a lot. I replaced the seat with a seat I ordered from the boys from Dime City, also added a new headlight. I had some issues with the carbs leaking and not running smoothly. So I ordered bigger jets and new gaskets. The bike runs pretty good now, but it needs to be fine tuned. I don't know how to sync carbs so I'll have to take it to a shop. I also have to find a way to mount a steering stabilizer on it. I want to thank this website for all the info. I've learned so much here.




Offline SOHC4 Cafe Racer Fan

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Re: Donny_B 1978 CB750K Build..
« Reply #37 on: June 23, 2012, 06:52:18 AM »
Donny,

Compliments to you on the build.  It looks great and the GSXR front end looks awesome.  You will love those radial mounted brakes!

Don
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)

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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
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Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #38 on: June 23, 2012, 07:32:04 AM »
Donny,

Compliments to you on the build.  It looks great and the GSXR front end looks awesome.  You will love those radial mounted brakes!

Don

Thanks Buddy... The brakes are great. Stops on a dime.

Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #39 on: January 07, 2013, 06:41:15 AM »
Just and update pic..

Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #40 on: January 07, 2013, 09:09:07 AM »
Here is another one.




Offline SKTP

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Re: Donny_B 1978 CB750K Build..
« Reply #41 on: January 07, 2013, 07:06:39 PM »
Looking good. Love that oil tank.
1978k rebuild thread http://forums.sohc4.net/index.php?topic=68423.0
BIKE OF THE MONTH - OCTOBER 2017
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1997 Honda CR-V
2004 Honda CR-V
1966 Honda S90

Offline Donny_B

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Re: Donny_B 1978 CB750K Build..
« Reply #42 on: January 07, 2013, 10:42:16 PM »
Looking good. Love that oil tank.

Thanks SKTP.