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Author Topic: cb550 carb rebuild 1975  (Read 1015 times)

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Offline blakes1975

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cb550 carb rebuild 1975
« on: August 10, 2013, 06:20:21 AM »
cleaning the carbs and was wondering what the stock main jet and jets in the carbs were???????
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Offline goldarrow

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Re: cb550 carb rebuild 1975
« Reply #1 on: August 10, 2013, 07:06:32 AM »
Should be 38 and 100 with needle on 4th.  1 1/8 turns out
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Life Is Full Of Challenges - And My Backyard Is Full Of SOHC4's

CB550 K0
CB750 K0, K2, K23 JDM, K45, K5
And the little ones z50r, xr50r, st90


750k5 http://forums.sohc4.net/index.php?topic=114817.0

Offline Killer Canary

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Re: cb550 carb rebuild 1975
« Reply #2 on: August 10, 2013, 06:26:33 PM »
Goldarrow knows. He went from rank amateur to SOHC guru at a speed that made my head spin!
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If it's worth doing at all it's worth over-doing.
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Offline goldarrow

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Re: cb550 carb rebuild 1975
« Reply #3 on: August 10, 2013, 09:17:26 PM »
Quote from: Killer Canary on August 10, 2013, 06:26:33 PM
Goldarrow knows. He went from rank amateur to SOHC guru at a speed that made my head spin!

Lol. Reading too much on the forum and not from the manual....hahaha
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Life Is Full Of Challenges - And My Backyard Is Full Of SOHC4's

CB550 K0
CB750 K0, K2, K23 JDM, K45, K5
And the little ones z50r, xr50r, st90


750k5 http://forums.sohc4.net/index.php?topic=114817.0

Online Stev-o

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Re: cb550 carb rebuild 1975
« Reply #4 on: August 11, 2013, 01:58:18 PM »
Gold Dude Guru

K or F model?
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'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline goldarrow

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Re: cb550 carb rebuild 1975
« Reply #5 on: August 11, 2013, 02:04:25 PM »
Quote from: Stev-o on August 11, 2013, 01:58:18 PM
Gold Dude Guru

K or F model?

Settings above for 022A and 087A carbs
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Life Is Full Of Challenges - And My Backyard Is Full Of SOHC4's

CB550 K0
CB750 K0, K2, K23 JDM, K45, K5
And the little ones z50r, xr50r, st90


750k5 http://forums.sohc4.net/index.php?topic=114817.0

Offline blakes1975

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Re: cb550 carb rebuild 1975
« Reply #6 on: August 11, 2013, 09:14:44 PM »
its 550 f 4 cyl.
while were at it
were is a good place to get the main get because i can't find them..... any web sites??
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Offline blakes1975

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Re: cb550 carb rebuild 1975
« Reply #7 on: August 11, 2013, 09:15:35 PM »
to stevo i have the clymers manual and its not listed in the manual... i'll go thru it again.
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Offline goldarrow

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Re: cb550 carb rebuild 1975
« Reply #8 on: August 11, 2013, 09:41:04 PM »
Quote from: blakes1975 on August 11, 2013, 09:14:44 PM
its 550 f 4 cyl.
while were at it
were is a good place to get the main get because i can't find them..... any web sites??

That Changes few settings than mentioned above.  Your carbs should be 069A with 38 and 98 jets, 2nd groove needle
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Life Is Full Of Challenges - And My Backyard Is Full Of SOHC4's

CB550 K0
CB750 K0, K2, K23 JDM, K45, K5
And the little ones z50r, xr50r, st90


750k5 http://forums.sohc4.net/index.php?topic=114817.0

Offline Tews19

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Re: cb550 carb rebuild 1975
« Reply #9 on: August 11, 2013, 09:42:32 PM »
F is 069 carbs....

Stock airbox?
Stock exhaust????


Factory is 98 main 38 idle
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1969 Honda CB750... Basket case
1970 Honda CB750 survivor.

Offline blakes1975

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Re: cb550 carb rebuild 1975
« Reply #10 on: August 11, 2013, 10:06:06 PM »
yes stock air box stock exhaust-----
what you are saying about the jets i have 2-98's
1-100
1-110
thats what i pulled out.
and my slow jet cracked on the reinstallation. (got the broken thread out)
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Offline Tews19

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Re: cb550 carb rebuild 1975
« Reply #11 on: August 11, 2013, 10:17:11 PM »
If you have stock cb550F carbs they are 069..... look on the side of the carb body. That should be stamped...

those come with one main jet per carb body.... 98 is the main jet size...

PO may have changed them.
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1969 Honda CB750... Basket case
1970 Honda CB750 survivor.

Offline blakes1975

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Re: cb550 carb rebuild 1975
« Reply #12 on: August 11, 2013, 10:45:26 PM »
ok i have two 98 were can i purchase more??
also look at this video
Carburetor Cleaning and Repair
when the mechanic takes the float bowls apart there is a clip that going on the main jet and when you reinstall the bow it holds the main in place.  are those factory cause when i opened my carbs didn't have them... if not i'm gonna make some.????????????????????????
SUPER SORRY ABOUT ALL THE DUMB ROOKIE QUESTIONS. 
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Offline Tews19

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Re: cb550 carb rebuild 1975
« Reply #13 on: August 12, 2013, 04:15:08 AM »
Take a pic of your carbs. Much easier moving forward that way.
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1969 Honda CB750... Basket case
1970 Honda CB750 survivor.

Offline blakes1975

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Re: cb550 carb rebuild 1975
« Reply #14 on: August 13, 2013, 09:33:32 AM »
i'm gonna take pictures today and post tonight, so i went to honda and ordered the slow jet that broke on me the other day 8.00$ a pc and honda no longer makes main jets for the carbs.   so you better be real goo with tuning and drilling out or keep your bike stock
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