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GBPackerNut
This Just In


Joined: May 04, 2008
Posts: 5
Location: North Dakota
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Posted:
Sun May 04, 2008 11:00 am |
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Would like to say hello, I am new to DOHC Hondas, but looking at buying one here in the next week.
I have a friend that is selling his 1981 CB750 Custom, its in good shape from what I can tell, but he hasn't drove it (Yes I said drove, from what I can tell that seems to be one of FasterSpiders pet peeves) ok I will rephrase, he has not ridden it since 2003, when he took it in to the local Honda shop and they did a full tune-up on it... It sat for another 3 years or so before it got fired up again, and now its pretty much running on 3 cylinders...
I think its a carb or ignition issue, but leaning towards a carburetor related problem, as gas tends to varnish and clog stuff up...
Its a 1981 CB8750C with 14,000 miles on it, for the price he is asking, I think its worth the time and money to fix it up and ride again. But what are some things I should keep my eyes open for? And how much compression should each cylinder have, I am a very competent mechanic, but my experience is all on pushrod OHV engines, I assume its pretty much the same, just scaled down.
Any pointers and help is much appreciated.
Thanks |
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fasterspider
Turbo-Powered Poster


Joined: Jul 25, 2007
Posts: 9956
Location: Studio City, Kalifornicate, USA
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Posted:
Sun May 04, 2008 11:13 am |
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Greetings and salutations, welcome to DOHC Customs
So you are a bit of a smartass huh?
Welcome anyways because I like smartasses being I am the biggest smartass I know.
I am willing to bet the carbs are just dirty and there are no other problems to worry about.
The idle jets are the biggest cause of no fire after a bike has done some serious sitting around un-ridden.
Do the job yourself and keep the bike away from a shop unless it is my shop or my friend Lee's shop in Orange County, California. |
_________________ Ray #1 The fasterspider
You must have bumped your head
bakmanrayman@yahoo.com
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pd750
Moderator

Joined: Aug 01, 2007
Posts: 25139
Location: Waldron , Arkansas
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Posted:
Sun May 04, 2008 4:38 pm |
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Welcome to the site GBPackerNut ...
Is it even warm enough to ride up there , yet ?
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_________________ Please put the year and model of your bike in the signature section on your profile / member account page and set \"Always attach signature \" to YES . Just below the Reply box , check the box in front of \"Attach signature (signatures can be changed in profile)\" .
1982 CB750C (Sold) Haven\'t found another , yet . |
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holysmokes
Admin

Joined: Jul 25, 2007
Posts: 37017
Location: ridge road springfield nova scotia
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Posted:
Sun May 04, 2008 4:39 pm |
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pd750
Moderator

Joined: Aug 01, 2007
Posts: 25139
Location: Waldron , Arkansas
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Posted:
Sun May 04, 2008 5:06 pm |
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mosquitoes ???
I woulda thunk they still had Tyrannosaurus Rex up there ... LOL |
_________________ Please put the year and model of your bike in the signature section on your profile / member account page and set \"Always attach signature \" to YES . Just below the Reply box , check the box in front of \"Attach signature (signatures can be changed in profile)\" .
1982 CB750C (Sold) Haven\'t found another , yet . |
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holysmokes
Admin

Joined: Jul 25, 2007
Posts: 37017
Location: ridge road springfield nova scotia
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Posted:
Sun May 04, 2008 5:07 pm |
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pd750
Moderator

Joined: Aug 01, 2007
Posts: 25139
Location: Waldron , Arkansas
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Posted:
Sun May 04, 2008 5:15 pm |
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I knew it was up there somewhere ... LOL |
_________________ Please put the year and model of your bike in the signature section on your profile / member account page and set \"Always attach signature \" to YES . Just below the Reply box , check the box in front of \"Attach signature (signatures can be changed in profile)\" .
1982 CB750C (Sold) Haven\'t found another , yet . |
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GBPackerNut
This Just In


Joined: May 04, 2008
Posts: 5
Location: North Dakota
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Posted:
Sun May 04, 2008 5:38 pm |
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yeah it warmed up to a beautiful 70 degrees today, warmest day we have had all year! Too bad the wind is blowing 40mph... |
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fasterspider
Turbo-Powered Poster


Joined: Jul 25, 2007
Posts: 9956
Location: Studio City, Kalifornicate, USA
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Posted:
Sun May 04, 2008 5:40 pm |
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| GBPackerNut wrote: | | yeah it warmed up to a beautiful 70 degrees today, warmest day we have had all year! Too bad the wind is blowing 40mph... |
You should get a heavy bike like a CBX then, the wind hardly effects mine at all. And it do get windy here sometimes, like when those hot Santa Ana winds blow and the whole of So Cal catches fire.  |
_________________ Ray #1 The fasterspider
You must have bumped your head
bakmanrayman@yahoo.com
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GBPackerNut
This Just In


Joined: May 04, 2008
Posts: 5
Location: North Dakota
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Posted:
Sun May 04, 2008 7:13 pm |
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It is ALWAYS windy here, in fact the power companies have to shut down the wind powered generators frequently because the windspeed exceeds 30mph that often....
I sometimes hate North Dakota, 6months of winter, 2 months of spring, 2 of summer, 2 of fall, and 12 months of psychotic wind!
But on the positive side it keeps the riffraff out! |
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nbhab
Turbo-Powered Poster


Joined: Aug 09, 2007
Posts: 5810
Location: New Maryland, NB, CANADA
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Posted:
Mon May 05, 2008 5:58 am |
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Then why are you there?  |
_________________ 1982 CB900 Custom
Go Habs Go!!!!!!!!!!!!! |
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Nesarin
Running Strong


Joined: Jul 25, 2007
Posts: 331
Location: Texas
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Posted:
Mon May 05, 2008 11:56 am |
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"The weather keeps the riff raff out"
We should adopt that as the new state slogan. I hear it time and time again... especially when it hits -30F  |
_________________
______________________
1980 CB900C... Vetter fairing, hard cases, and trunk.
Coil relay and GM Coil Mod
\"An expert is a person who has made every mistake possible |
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RollTide
On a roll


Joined: Mar 14, 2008
Posts: 230
Location: Ringgold, GA
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Posted:
Tue May 06, 2008 6:34 pm |
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| Nesarin wrote: | "The weather keeps the riff raff out"
We should adopt that as the new state slogan. I hear it time and time again... especially when it hits -30F |
-30° Good grief! That's ridiculously cold!! (Oh I know, the Canadians think I'm crazy for wearing a jacket when it gets below 60°, but so be it. ) I've lived in the SE USA all my life so I only like warm weather.
Welcome to the forum, GBPackerNut. I'm sure you will enjoy your stay as I have mine. Your among friends both as a smartass and as a motorcycle rider. |
_________________ 1983 CB1000 Custom
1983 CB1000 Custom (parts bike)
Alabama Crimson Tide Football
Roll Tide Roll!!! |
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D-Day
Here's Gumby!


Joined: Jul 23, 2007
Posts: 5668
Location: St Petersburg, FL
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Posted:
Tue May 06, 2008 9:55 pm |
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I am the riff raff. |
_________________ ´81 CB900c Sold
2001 BMW K1200LT (RIP)
1991 Honda ST1100. 190K miles and smooth as silk. |
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