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Author Topic: carbs  (Read 1080 times)

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Offline Lost and Confused

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carbs
« on: November 20, 2013, 08:54:12 AM »
Is there a site or book, that will show me my carbs, and  break them down. I would like to know what are  low speed jets , emulsion tubes etc. I know nothing about them at this time.

Please don't try to explain it to me in the forum. I would like a reference in front of me. If I can't get my bike sorted, it's gone.


1974Cb750k  stock carbs

Thanks, Bob
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Offline flybox1

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Re: carbs
« Reply #1 on: November 20, 2013, 09:09:21 AM »
the CB750 shop manual, plus a Clymer or Haynes repair manual to go along with it are great.

good online references, with pictures
http://www.hondachopper.com/garage/carb_specs/carb_specs.html

and every link on this page.  go through each one.  its worth it.
http://www.hondachopper.com/garage/carb_info/carb_info.html
« Last Edit: November 20, 2013, 09:12:51 AM by flybox1 »
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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
77/78 cool 2 member #3
"Knowledge without mileage equals bullsh!t" - Henry Rollins

"This is my CB. There are many like it, but this one is mine…"

Jay Ace

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Re: carbs
« Reply #2 on: November 20, 2013, 09:19:03 AM »
See if this helps. It's just sitting in my Drop Box. I have not really look at it.

https://db.tt/REI3cBDe
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Online Johnie

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Re: carbs
« Reply #3 on: November 20, 2013, 09:20:33 AM »
Contact member Hondaman...he wrote a tell all book on the CB750 and has a great section on the carbs from a mechanics restoration perspective. I think you can find it in the For Sale section of this board. A must for the 750 buff...
« Last Edit: November 21, 2013, 06:43:41 AM by Johnie »
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1970 CB750K0 - Candy Ruby Red
1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
1970 Chevy Chevelle SS396 - Cortez Silver
1976 GL1000 Sulphur Yellow

Oshkosh, WI  USA

Offline Bankerdanny

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Re: carbs
« Reply #4 on: November 20, 2013, 09:57:35 AM »
YouTube can be your friend too. Just search CB750 and you will find all kinds of video how-to's.
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline Duanob

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Re: carbs
« Reply #5 on: November 20, 2013, 10:36:38 AM »
Quote from: Bankerdanny on November 20, 2013, 09:57:35 AM
YouTube can be your friend too. Just search CB750 and you will find all kinds of video how-to's.

Yes! Youtube vids have saved my bacon more than a few times. But you have to learn to weed out the hacks from the people that actually know what they're talking about.
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"Just because you flush a boatload of money down the toilet, doesn't make the toilet worth more",  My Stepfather the Unknown Poet

1974 CB360T
1976 CB550K2 Resurrected
1976 CB550F2 Barn Find
1979 CX500 VG "HONDA-GUZZI"
2007 Moto Guzzi Breva 750ie
2015 BMW F700GS
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Offline bjbuchanan

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Re: carbs
« Reply #6 on: November 20, 2013, 02:42:20 PM »
salocal

http://www.salocal.com/sohc/tech/carb/carb.htm

Tons of pics step by step, enjoy
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The dirty girl-1976 cb750k, Ebay 836, Tracy bodykit
Round top carbs w/ 38 pilots, middle needle position, airscrew 7/8ths out, 122 main jet
Stock airbox w/ drop in K&N, Hooker 4-1

Don't trust me alone with a claw hammer and some pliers

Offline becken

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Re: carbs
« Reply #7 on: November 21, 2013, 05:13:02 AM »
A big +1 on Hondaman's book. You may also want to try here http://www.helminc.com/helm/search_service_owner.asp?Style=helm&class%5F2=AHC
They do reprints of the old Honda service manuals. I just got one for my new to me 1984 Aspencade and it's very high quality.
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1976 CB550F bought new
1981 CM400A wife bought new
2004 GL1800

Offline David B

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Re: carbs
« Reply #8 on: November 21, 2013, 07:48:12 PM »
+1 on Hondaman's book. It really is invaluable!  Theres an excellent step-by-step book here as well:

http://www.cb750carbs.com/

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DB

Offline evanphi

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Re: carbs
« Reply #9 on: November 22, 2013, 07:03:06 AM »
Quote from: bjbuchanan on November 20, 2013, 02:42:20 PM
salocal

http://www.salocal.com/sohc/tech/carb/carb.htm

Tons of pics step by step, enjoy

This is what got me through my first rebuild.
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--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive
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