\', 1979 to 1983 DOHC CB750/900/1000/1100 Honda Custom, \' - \', Honda DOHC Customs, \'
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Beezer
This Just In
This Just In



Joined: Jan 31, 2012
Posts: 2
Location: Brockville, Ontario

PostPosted: Tue Jan 31, 2012 3:27 pm Reply with quote Back to top

In the process of possibly buying a 1982 CB750C. It appears to be in great condition except for maybe one thing; the engine sounds just too noisy for me. It's not a clacking valve noise but rather the engine sounds loose and noisy, not quite knocking but almost. I'm hoping to have my Honda tech. come with me to the owner's home to listen to it and see what he thinks. Any thoughts from anyone. Thanks for your time. Question
 
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genesound
administrator



Joined: Jul 24, 2007
Posts: 44113
Location: Studio City, CA

PostPosted: Tue Jan 31, 2012 3:29 pm Reply with quote Back to top

Welcome to here wave

There is a thread you need to read, before you start asking a lot of questions that are already answered in it, that will help you get a little indoctrinated to our forum. The New Member's Thread (click here) has the forum rules on various matters like permissible picture posting sizes and what bikes we're about and such, some answers to common questions that n00bies always ask about these bikes, links to the Honda Shop Manuals and so forth.

We require that you read that thread, and do the few housekeeping tasks requested there. It helps make everybody's membership here more useful and pleasant, and less redundant for all. It will also help you get a bit more familiar with some of the nuances and culture of membership here.

Be sure to put your DOHC relevant bike model in your sig and turn it on both places (1) in the profile and (2) in the reply box when posting. You'll know more about that after reading the info... Be sure to check it to make sure the sig is actually working, too.


If you have questions about any of this please ask.


If you are seeing this and you did put your signature in, you probably didn't do the second step that's required and click the "Attach signature (signatures can be changed in profile)" box when posting your message. You can edit your posts using the edit button in the upper right hand corner of your post and turn on that checkbox, however. Wink

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
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genesound
administrator



Joined: Jul 24, 2007
Posts: 44113
Location: Studio City, CA

PostPosted: Tue Jan 31, 2012 3:33 pm Reply with quote Back to top

Oh, the top ends of these motors make a bit of noise. The cam chains get quite noisy when loose, there is quite a bit of valve train noise, and there is also quite a bit of primary noise from the primary shaft bearings and clutch basket, especially older ones (they're all old now) with hard cushions in the primary shaft damper and clutch basket. Then when the idle carb sync is rough, all that stuff rattles pretty good.

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
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holysmokes
Admin



Joined: Jul 25, 2007
Posts: 37019
Location: ridge road springfield nova scotia

PostPosted: Tue Jan 31, 2012 3:37 pm Reply with quote Back to top

fix up your signature and we'll help you get it purring [as much as a 750 DOHC can purr]

_________________
On a steel horse i ride


People are just as happy as they make up their
minds to be.” ― Abraham Lincoln
http://i559.photobucket.com/albums/ss31/johnveinot/DSCF1663.jpg
04 vl800
09 50 honda jazz

Paint gelding 
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Beezer
This Just In
This Just In



Joined: Jan 31, 2012
Posts: 2
Location: Brockville, Ontario

PostPosted: Tue Jan 31, 2012 7:15 pm Reply with quote Back to top

Thank you for the replies. Your info. re my concern is somewhat comforting. I will make a final decision on whether or not to purchase the bike once my tech. gives his opinion - hopefully it will be as hopeful as your analysis. Until then, I have no pic. or signature to post.
 
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genesound
administrator



Joined: Jul 24, 2007
Posts: 44113
Location: Studio City, CA

PostPosted: Tue Jan 31, 2012 7:29 pm Reply with quote Back to top

Cool.

You could put the model of bike you'd like to purchase in there, and the fact that you are looking. You might get help, who knows?

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
View user's profile Send private message Send e-mail Visit poster's website
Next
Power Poster
Power Poster



Joined: Jan 21, 2011
Posts: 1218
Location: Boston, Ma

PostPosted: Tue Jan 31, 2012 7:40 pm Reply with quote Back to top

I know the help desk is usually closed till at least the sig requirement is met but what the hell, this may comfort you even more..

I doubt the engine noise is anything serious but you never know, these engines are noisy anyways at low idle. Most of us here at this forum turn up our idle to 1400-1500 rpm buy turning that little knob that is under and in the middle of the carbs. By doing this most of the noise these engines make smooths out and goes away Smile

Try that when you're checking out the bike and see what happens Wink

Now make sure you put that bike you're thinking of buying in your sig so I don't get yelled at for breaking the rules by the powers that be Cool

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[url=http://www.cb750c.com/modules.php?name=Forums&file=viewtopic&p=98405#98405]Please Click on This Link & Read The Thread for New Members About Site Rules.
Putting The Year & Make of Your Bike in Yo 
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Frank
Turbo-Powered Poster
Turbo-Powered Poster



Joined: Feb 27, 2010
Posts: 14379
Location: Eufaula, Oklahoma

PostPosted: Tue Jan 31, 2012 11:21 pm Reply with quote Back to top

Seriously??? You want someone to fill in a signature with a bike he is THINKING of buying!

I think I need a break.

_________________
You meet the nicest people on a Honda I sold my bike but I still have a 750 and a 900 that I will fix up some day. Right now I´m learning about Goldwings 
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genesound
administrator



Joined: Jul 24, 2007
Posts: 44113
Location: Studio City, CA

PostPosted: Tue Jan 31, 2012 11:58 pm Reply with quote Back to top

Hmm... It's not that much trouble really, and it lets people know your status.

Changing your profile is pretty easy, and familiarity with the software is worthwhile too. I do wish it was easier, but really, it's not like digging ditches or anything. laugh

I'd rather fill in my profile with that info than use my computer while trying to do a valve adjustment for instance to figure out which shim to use.

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
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D-Day
Here's Gumby!
Here's Gumby!



Joined: Jul 23, 2007
Posts: 5638
Location: Charlotte, NC

PostPosted: Wed Feb 01, 2012 12:03 am Reply with quote Back to top

Frank wrote:
Seriously??? You want someone to fill in a signature with a bike he is THINKING of buying!

I think I need a break.


Yeah, sounds silly at first, but if a potential buyer has some tech questions and such, which some have had before purchase, the bike type carries down the thread. Just a simple 'Looking to buy a 750' will do and keep somebody from spending 20 minute opining about shaft drives.....

and yes, you do need a break. We all do....

_________________
´81 CB900c Sold

2001 BMW K1200LT (RIP)
1991 Honda ST1100. 190K miles and smooth as silk. 
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genesound
administrator



Joined: Jul 24, 2007
Posts: 44113
Location: Studio City, CA

PostPosted: Wed Feb 01, 2012 12:31 am Reply with quote Back to top

Me too...

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
View user's profile Send private message Send e-mail Visit poster's website
Californiaman
Power Poster
Power Poster



Joined: Feb 27, 2010
Posts: 1707
Location: Durban, South Africa

PostPosted: Wed Feb 01, 2012 4:15 am Reply with quote Back to top

please no hips or legs...

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1980  
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holysmokes
Admin



Joined: Jul 25, 2007
Posts: 37019
Location: ridge road springfield nova scotia

PostPosted: Wed Feb 01, 2012 7:23 am Reply with quote Back to top

i like breasts

_________________
On a steel horse i ride


People are just as happy as they make up their
minds to be.” ― Abraham Lincoln
http://i559.photobucket.com/albums/ss31/johnveinot/DSCF1663.jpg
04 vl800
09 50 honda jazz

Paint gelding 
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torick
Running Strong
Running Strong



Joined: Jan 23, 2012
Posts: 289
Location: SLC

PostPosted: Wed Feb 01, 2012 7:40 pm Reply with quote Back to top

holysmokes wrote:
i like breasts


agreed.

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1980 CB750C Bobber

Image 
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badsportster
Feel the Power
Feel the Power



Joined: Jul 16, 2011
Posts: 538
Location: port richey florida

PostPosted: Thu Feb 02, 2012 3:34 am Reply with quote Back to top

holysmokes wrote:
i like breasts
me to

_________________
1980 cb750k
1994 ke100
1978 cx500 
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Next
Power Poster
Power Poster



Joined: Jan 21, 2011
Posts: 1218
Location: Boston, Ma

PostPosted: Thu Feb 02, 2012 4:27 am Reply with quote Back to top

funny how water balloons feel almost like real breasts do too, sometimes when I need a fix I fill a few up and play with them Twisted Evil





j/k Laughing

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[url=http://www.cb750c.com/modules.php?name=Forums&file=viewtopic&p=98405#98405]Please Click on This Link & Read The Thread for New Members About Site Rules.
Putting The Year & Make of Your Bike in Yo 
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genesound
administrator



Joined: Jul 24, 2007
Posts: 44113
Location: Studio City, CA

PostPosted: Thu Feb 02, 2012 7:08 am Reply with quote Back to top

What, you play stickball with water balloons? Shocked

I do need a break! laugh

_________________
NMT - New Member Thread, a Must Read, click here!!! - Information For New and Veteran Members.
Contains SITE RULES, how to enter required bike information in your signature, thread and picture posting...
Also some important DOHC wrenching tips, and some other information.
Kindly read this linked thread with the rules before posting
pictures or asking lots of questions that are already answered in it.

ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
81 CB900C, 83 CB1000C 
View user's profile Send private message Send e-mail Visit poster's website
Californiaman
Power Poster
Power Poster



Joined: Feb 27, 2010
Posts: 1707
Location: Durban, South Africa

PostPosted: Thu Feb 02, 2012 9:11 am Reply with quote Back to top

ok wait...nevermind. Rolling Eyes

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1980  
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