DOHC carb cleaning procedure

[NewGuy]

I just received a 79 cb750 in number of boxes. The air filter box is gone and I am trying to figure out what the second t-fitting is. The solid brass fitting is the fuel line but what is the other hose that passes through the bank bracket is a mistery. Can you help?
Thanks,

[seestheday]

I believe it is an air vent used for the auto petcock. The auto petcock is often removed as it isn't necessary and makes cold starting harder.
I just took mine off and noticed a significant improvement.
If yours is already missing you can probably just leave that not hooked up to anything (as long as the vacuum nipple on the 2nd carb is properly capped).

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From: "NewGuy [via Honda CB750'S]" <[hidden email]>

Date: Wed, 16 Nov 2011 19:04:39 -0800 (PST)

To: seestheday<[hidden email]>

Subject: Re: DOHC carb cleaning procedure

I just received a 79 cb750 in number of boxes. The air filter box is gone and I am trying to figure out what the second t-fitting is. The solid brass fitting is the fuel line but what is the other hose that passes through the bank bracket is a mistery. Can you help?
Thanks,

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NAML

[seestheday]

Actually, after thinking about this a little more, the auto petcock was on models later than 81. You'll have to wait for tools or someone else who knows more about your bike.
You might consider a picture and creating your own thread.

Sent from my BlackBerry device on the Rogers Wireless Network

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From: "NewGuy [via Honda CB750'S]" <[hidden email]>

Date: Wed, 16 Nov 2011 19:04:39 -0800 (PST)

To: seestheday<[hidden email]>

Subject: Re: DOHC carb cleaning procedure

I just received a 79 cb750 in number of boxes. The air filter box is gone and I am trying to figure out what the second t-fitting is. The solid brass fitting is the fuel line but what is the other hose that passes through the bank bracket is a mistery. Can you help?
Thanks,

---

If you reply to this email, your message will be added to the discussion below:

http://honda-cb750-s.456789.n3.nabble.com/DOHC-carb-cleaning-procedure-tp867809p3514664.html

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NAML

[CptStinkyBoots]

im not gonna lie to you guys, this stuff looks a little intimidating. i think i can do it but im gonna have to study the crap out of this. just incase i chicken out, how much do you think a shop would charge to clean and rebuild the carbs if i popped them off and brought them down?

[shinyribs]

If you sit down and read all the measurement ,names...etc. it  can seem very intimidating. Once you get in there it really is not bad at all. If you are worried you won't remember hoe something came apart,make notes. If it ends up not working,then take them to a shop. You got nothing to lose by giving it a shot!

[seestheday]

Take your time. Take your own pic as you go. Follow the guides carefully. You'll do fine. Before this, the most advanced thing I did on my bike change the brake pads.

Sent from my BlackBerry device on the Rogers Wireless Network

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From: "CptStinkyBoots [via Honda CB750'S]" <[hidden email]>

Date: Sat, 18 Feb 2012 22:44:27 -0800 (PST)

To: seestheday<[hidden email]>

Subject: Re: DOHC carb cleaning procedure

im not gonna lie to you guys, this stuff looks a little intimidating. i think i can do it but im gonna have to study the crap out of this. just incase i chicken out, how much do you think a shop would charge to clean and rebuild the carbs if i popped them off and brought them down?

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NAML

[Piute]

   STUDY,I've heard of that,,My very bad memmorie and no time makes thing take a while but they get done IF it's something I like to do.4 carbs there all the same ..took mine apart a couple times on and off about 7-8 , cause wasn't sure I did something,or  added a idea, painted them,Bike always ran better every time.
 Dive in  the waters fine

[CptStinkyBoots]

alright, you guys convinced me.... btw ordered my last needed gaskets, oil filter, and next paycheck the brake pads. so im hoping to have everything within a couple of weeks then i just need to make two welds around the seat and put everything together, finish carbs and ill be able to start this baby for her first time (since i got her). dont worry ill have video haha

[shinyribs]

If you can manage the extra cash for Honda brake pads it MAY be worth it. I have Bikemaster pads on mine and they are very noisy. I have heard that the Honda pads are quiet. I can't promise from experience,though. Just a thought. Good luck with your carbs!

[seestheday]

For what its worth, I bought pads from the dealer and felt I overpaid, but they are as quiet as a mouse.
I needed to get a pin that was only available from the dealer and was going to drive across town to get a cheaper set of pads, but while I was there I said screw it and bought the pads there too.

Sent from my BlackBerry device on the Rogers Wireless Network

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From: "shinyribs [via Honda CB750'S]" <[hidden email]>

Date: Sun, 19 Feb 2012 23:01:18 -0800 (PST)

To: seestheday<[hidden email]>

Subject: Re: DOHC carb cleaning procedure

If you can manage the extra cash for Honda brake pads it MAY be worth it. I have Bikemaster pads on mine and they are very noisy. I have heard that the Honda pads are quiet. I can't promise from experience,though. Just a thought. Good luck with your carbs!

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NAML