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Author Topic: "Poor Kid" 1981 CB750K - first build  (Read 26695 times)

Offline madd750

  • Posts: 89
Re: "Poor Kid" 1981 CB750K - first build
« Reply #30 on: May 28, 2013, 15:50:27 »
Looking good dude, and i agree with not polishing the cover. Leave that to those with fancy schmancy bikes.

Offline kraptastic k

  • Posts: 222
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Re: "Poor Kid" 1981 CB750K - first build
« Reply #31 on: May 28, 2013, 16:27:02 »
Thanks for the support. Next bike will have polish, but this one will be nice and gritty with a hint of oil.




Offline LBC

  • Posts: 203
Re: "Poor Kid" 1981 CB750K - first build
« Reply #32 on: May 28, 2013, 17:36:43 »
Thanks for the support. Next bike will have polish, but this one will be nice and gritty with a hint of oil.

If anything it needs to be scuffed up a bit more. Keep rockin! Love the progress!

I'm interested in the details of how the new carbs get set up.

CB900 Scrambler -http://www.dotheton.com/forum/index.php?topic=48753.0

KZ400 Full Fairing Thing - http://www.dotheton.com/forum/index.php?topic=57849.0


Modify and add lightness...

Offline kraptastic k

  • Posts: 222
  • ask me how i got here
Re: "Poor Kid" 1981 CB750K - first build
« Reply #33 on: May 28, 2013, 20:11:22 »
Well, I was using another swapper's notes to set these up. A bit bareboned, but I figured it out mostly.

Here's the old link:
http://older-carsandbikes.blogspot.com/2010/10/gsx-r750-caruretor-swap-for-cb750c.html?m=1

The author used some general terms and relative descriptions, which caused me slight hiccups. However, I can answer any questions you might have about the swap as done by me right now... But I suppose all my answers are incredible being that my bike isn't riding status yet. After I snap up the vacuum petcock, I'll be able to speak with credentials.

Uninsured advice by a kid named kraptastic on a bike ten years older than the owner... Trustworthy, eh?

1981 CB750K (really good bluffer)


Offline LBC

  • Posts: 203
Re: "Poor Kid" 1981 CB750K - first build
« Reply #34 on: May 29, 2013, 13:19:40 »
You can have the vacuum petcock from my project if you like. It may need a new diaphram(I'd recommend it.) but it looks like its in good working order. I'm more used to using the one on the tank so I didn't reinstall the vacuum unit after my carb rebuild. Gotta shed weight somewher since this is going to be a race bike. ;D

My petcock on my tank leaked a little fuel when I turned it to ON at first but that went away after some use. I just used the RES position until it cleared up.

CB900 Scrambler -http://www.dotheton.com/forum/index.php?topic=48753.0

KZ400 Full Fairing Thing - http://www.dotheton.com/forum/index.php?topic=57849.0


Modify and add lightness...

Offline rocketritch

  • Posts: 38
Re: "Poor Kid" 1981 CB750K - first build
« Reply #35 on: May 29, 2013, 13:47:35 »
Looks good.

Offline Texasstar

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Re: "Poor Kid" 1981 CB750K - first build
« Reply #36 on: Jun 01, 2013, 00:08:54 »
Your handle has replaced the over used word epic in our home..."how does this look Zeke?" Dad it is Kraptastic! Lol
It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

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http://www.dotheton.com/forum/index.php?topic=45872.0

Bultaco El Montadero 360

http://www.dotheton.com/forum/index.php?topic=64349.0

Offline McBrenner

  • Posts: 40
Re: "Poor Kid" 1981 CB750K - first build
« Reply #37 on: Jun 01, 2013, 00:16:16 »
Keep at it man. These long projects feel great when they are finally finished. Looks great
'81 Honda CX 500D

Offline kraptastic k

  • Posts: 222
  • ask me how i got here
Re: "Poor Kid" 1981 CB750K - first build
« Reply #38 on: Jun 01, 2013, 00:36:08 »
Thanks for the compliments and the reassurance- makes the frustration lessen when I feel accomplished. Today was payday! After rent I'll be able to see how much goes to the "petcock dilemma of 2013." I'm expecting about $200 total...
Glad to see there are people who enjoy my taste.

Hey Pat! I hope I haven't become a bad influence via the forums >:) Tell Zeke that my ride was built on a kraptastic budget! I still gotta meet you two, I feel creepy watching the build via internet when we live in the same town! :3

Soooo... Does anybody care to hear a video of it running when I get the petcock installed?

1981 CB750K (dying to live)


Offline Rich Ard

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Re: "Poor Kid" 1981 CB750K - first build
« Reply #39 on: Jun 01, 2013, 00:39:41 »
Do it
unplug the connectors from the harness and multimeter the shit out of them

Bad Points, a comic :: CB450 Restomod (sold) :: Viragostrosity :: GL1000 daily rider :: Kaw 175