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WWW.CB750C.COM :: View topic - 1981 cb750C carb hose connections

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stifler
This Just In
This Just In



Joined: Sep 19, 2018
Posts: 6
Location: laporte, IN

PostPosted: Sun Nov 04, 2018 1:47 pm Reply with quote Back to top

so my brother took apart his carbs and went away. I have some knowledge of the bike I am just trying to hook up all the right hoses to the right places. I have the carbs in hand a bunch of hoses. He took off the air box and there is K@N air pods on it. I know where most of them go, but some i do not. If someone could post a diagram or help me figure out where the hoses go that would be so helpful. {yes i know about the airbox vs pods debate. yes i did rejet them i just need help with the hoses}

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1981 cb750C
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pd750
Moderator



Joined: Aug 01, 2007
Posts: 23882
Location: Queen Creek , Az .

PostPosted: Sun Nov 04, 2018 3:54 pm Reply with quote Back to top

The FSM has diagrams .

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sunshine New members , Please read and understand :

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Every man makes his own chains .
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A candle loses nothing by lighting another candle ...

"The only thing that you have which can never be replaced or recovered is your time. Use it well." Author Unknown .
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1982 CB750C - Sold > Looking for my next one .
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pidjones
Getting up steam
Getting up steam



Joined: Sep 13, 2018
Posts: 33
Location: East Tennessee

PostPosted: Tue Nov 06, 2018 8:34 pm Reply with quote Back to top

On my '79 CB750F: Four drain hoses connect to the drain/overflow on the bottom of each float bowl. Don't know what to do with the two large crankcase vent hoses that go up each side and join at a Tee that connects to the air box when you don't have an air box. I guess run a hose from the Tee to road draft. Fuel line in to the brass tube between 1 and 2. Vent line from the small plastic Tee between carbs should go to a hose leading up high. If you have the vacuum petcock, throw it away, buy a standard petcock, and plug the vacuum port on #2 for the spawn of Satan valve. There is a pretty good write-up in the carb rebuild manual (Rev G is the latest, I believe).

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"Love Žem all.... Let GOD sort Žem out!"
Newly acquired "rat rod" 1979 CB750F
Custom ´78 with ´75 engine GL1000
2006 GL1800
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pd750
Moderator



Joined: Aug 01, 2007
Posts: 23882
Location: Queen Creek , Az .

PostPosted: Wed Nov 07, 2018 9:40 am Reply with quote Back to top

There is no good reason to toss the AFV if it's working as it should .

_________________
sunshine New members , Please read and understand :

Please put the year and model of your bike in the signature section on your profile page and set "Always attach signature " to YES .
NOTE : In order for your signature to show up in posts you also have to check the box that's labeled "Attach signature (signatures can be changed in profile)" , just below the Quick Reply box at the bottom of threads , when making your next post . This only has to be done once . Thanks

New Members Read This Thread :
http://www.cb750c.com/modules.php?name=Forums&file=viewtopic&p=98405#98405

Picture Posting :
http://www.cb750c.com/modules.php?name=Forums&file=viewtopic&t=11546

Checklist :
http://www.cb750c.com/modules.php?name=Forums&file=viewtopic&p=68384
* *
Every man makes his own chains .
* *
A candle loses nothing by lighting another candle ...

"The only thing that you have which can never be replaced or recovered is your time. Use it well." Author Unknown .
* *
1982 CB750C - Sold > Looking for my next one .
View user's profile Send private message
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