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Author Topic: Made a newby mistake need HELP.  (Read 761 times)

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Offline tanman855

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Made a newby mistake need HELP.
« on: June 06, 2013, 02:03:04 PM »
I over tightened my main jet holder into the carb and not only bent the tube but warped the brass piece inside the carb that the needle passes through. Can I fix this piece in the carb or not? Any help would awesome.
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1974 cb750 (cafe in progress)

Offline Vinhead1957

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Re: Made a newby mistake need HELP.
« Reply #1 on: June 06, 2013, 02:09:19 PM »
Carb type, year bike?  CC
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Offline flybox1

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Re: Made a newby mistake need HELP.
« Reply #2 on: June 06, 2013, 02:10:41 PM »
tan..
contact members sohcdigger or harisuluv for replacement parts for the 750 carbs
post up pictures of the damaged parts and know the carb model number
harisuluv's thread...
http://forums.sohc4.net/index.php?topic=115539.0
« Last Edit: June 06, 2013, 02:15:43 PM 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…"

Offline tanman855

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Re: Made a newby mistake need HELP.
« Reply #3 on: June 06, 2013, 03:04:11 PM »
Quote from: Vinhead1957 on June 06, 2013, 02:09:19 PM
Carb type, year bike?  CC

1974 cb750k 657b
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1974 cb750 (cafe in progress)

Offline Xnavylfr

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Re: Made a newby mistake need HELP.
« Reply #4 on: June 06, 2013, 03:19:28 PM »
Which carb body is it??? I've some spare carbs , I have to check the model # and conditions!!



Xnavylfr(CHUCK)
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Offline tanman855

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Re: Made a newby mistake need HELP.
« Reply #5 on: June 06, 2013, 03:20:28 PM »
Quote from: Xnavylfr on June 06, 2013, 03:19:28 PM
Which carb body is it??? I've some spare carbs , I have to check the model # and conditions!!



Xnavylfr(CHUCK)


#3
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1974 cb750 (cafe in progress)

Offline ekpent

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Re: Made a newby mistake need HELP.
« Reply #6 on: June 06, 2013, 03:40:40 PM »
Did you just damage the brass emulsion tube only and not the carb body also. Usually the carb body will manifest its damage with a crack. Be sure to check the other 3 well for cracks if they got cranked hard also.
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Offline bjbuchanan

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Re: Made a newby mistake need HELP.
« Reply #7 on: June 06, 2013, 06:16:51 PM »
I've got you on a couple too if you need them. These things are only meant to be snugged down, it doesn't have to be "screwed in" all the way flush. Be careful with carbs you don't have to really crank on anything in them, finger tight is practically good enough

First time i saw wavy emulsion tubes I was confused as all hell how it happened, then I saw pics on this forum from other guys and it clicked
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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 tanman855

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Re: Made a newby mistake need HELP.
« Reply #8 on: June 06, 2013, 09:03:24 PM »
Luckily only did it to one of them, so I could use one. But I also damaged the brass insert inside the carb so it looks like I need to punch in a new insert or find a new #3 carb body. Know anybody who has one of those for sale?
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1974 cb750 (cafe in progress)
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