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by Folsoml
Fri Sep 29, 2017 6:32 pm
Forum: Technical Discussion
Topic: Carb vent pipe and fuel joints
Replies: 3
Views: 241

Re: Carb vent pipe and fuel joints

I go to a local auto parts store and get the appropriate size fuel line. They sell it in bulk. Even Lowes and Home Depot usually have it.

One of the things you have circled is the brass pipe that the fuel line from the gas tank connects to. Is this what you meant to circle? It's not rubber.
by Folsoml
Fri Sep 29, 2017 5:17 am
Forum: Everything else
Topic: Same size wheel / rims front and rear
Replies: 9
Views: 542

Re: Same size wheel / rims front and rear

David Stone wrote: How do you put image in this forum?


Hi David!

When you are at the "post a reply" screen, scroll down until you see the Options/Attachments tabs. Click on "attachments" and then "add files."
by Folsoml
Wed Sep 27, 2017 7:09 pm
Forum: Show it off
Topic: '79z Modern Cafe Build
Replies: 9
Views: 4095

Re: '79z Modern Cafe Build

Also where can I get carborators like that? Those are Keihin CR Smoothbores. Be prepared to pay a bundle for them. Here is a set on Ebay for $1289. http://www.ebay.com/itm/Keihin-39mm-CR-Special-Smoothbore-Carburetor-Dragbike-AHRMA-Gs-Gsxr-Cb-Xj-CR39-/272844658832?hash=item3f86cf1890:g:vnAAAOSw8FRZ...
by Folsoml
Tue Sep 26, 2017 11:53 am
Forum: General Discussion
Topic: Running great one night, died the second
Replies: 12
Views: 460

Re: Running great one night, died the second

Folsoml, you sound like you have encountered that problem before :lol: Isn't it referred to as the "Spawn of Satan"? :) Absolutely! It's the first thing I throw away when I get a new old bike. Thanks for the help guys I think I figured it out. The rubber gaskets in the carb bowls broke ap...
by Folsoml
Tue Sep 26, 2017 4:52 am
Forum: General Discussion
Topic: Running great one night, died the second
Replies: 12
Views: 460

Re: Running great one night, died the second

GeorgeSweety wrote: Is your fuel tap vacuum shut off still connected? as I've heard that these can cause huge problems with fuel delivery when they start to fail.


Yes they do!
by Folsoml
Tue Sep 26, 2017 4:50 am
Forum: Technical Discussion
Topic: 1981 CB650C Carbs
Replies: 5
Views: 352

Re: 1981 CB650C Carbs

Welcome to the forum! I wish I had a suggestion for you. :(
by Folsoml
Mon Sep 25, 2017 6:16 pm
Forum: Show it off
Topic: My Cafe Racer
Replies: 4
Views: 364

Re: My Cafe Racer

Nice!
by Folsoml
Mon Sep 25, 2017 5:36 am
Forum: General Discussion
Topic: Running great one night, died the second
Replies: 12
Views: 460

Re: Running great one night, died the second

When you say "lost power," I'm presuming you mean engine power and not electrical power. That being said, did you clean out the fuel tank when you got it? If not, there is the potential that some crud broke loose during your ride and has now gone into your carbs and gunked things up. Also,...
by Folsoml
Sun Sep 24, 2017 7:20 am
Forum: Technical Discussion
Topic: Cylinders 1 and 4 not running
Replies: 11
Views: 456

Re: Cylinders 1 and 4 not running

He has the 1980 Custom model. That has the PD51A carb bank on it. It has no air cutoffs or accelerator pump.

I'm now curious about your carbs--they have air cutoffs? If so, is that stock for the 650 Nighthawk in the UK? The US versions use a VB44C carb bank that does not have them.
by Folsoml
Sat Sep 23, 2017 3:54 pm
Forum: Technical Discussion
Topic: charging system
Replies: 12
Views: 943

Re: charging system

Yep. That's definitely not good. You should be getting around 14 volts or so at 3000 rpms. At what point did you change your rectifier? A bad rotor can burn out a new rectifier pretty quickly.
by Folsoml
Fri Sep 22, 2017 4:53 am
Forum: Technical Discussion
Topic: Cylinders 1 and 4 not running
Replies: 11
Views: 456

Re: Cylinders 1 and 4 not running

Sometimes I have to clean carbs two or three times to get them REALLY clean--and I completely disassemble them.
by Folsoml
Thu Sep 21, 2017 7:01 pm
Forum: Technical Discussion
Topic: No spark on cylinders 1/4 82' CB650sc
Replies: 17
Views: 653

Re: No spark on cylinders 1/4 82' CB650sc

Boom! I love success!
by Folsoml
Thu Sep 21, 2017 9:38 am
Forum: Technical Discussion
Topic: No spark on cylinders 1/4 82' CB650sc
Replies: 17
Views: 653

Re: No spark on cylinders 1/4 82' CB650sc

It is definitely obsolete. :(

Before I bought a used one that may or may not be any better than the one you have, I would physically check the length of the wires and see if you can feel a break. I might even go so far as to splice in a new wire to see if that fixed my problem.
by Folsoml
Thu Sep 21, 2017 5:24 am
Forum: Technical Discussion
Topic: No spark on cylinders 1/4 82' CB650sc
Replies: 17
Views: 653

Re: No spark on cylinders 1/4 82' CB650sc

GeorgeSweety wrote:Just found this and it will explain things better than I can :roll:
http://www.hondacb650.com/viewtopic.php?t=488



Nice find!
by Folsoml
Thu Sep 21, 2017 5:20 am
Forum: General Discussion
Topic: I’m back
Replies: 4
Views: 319

Re: I’m back

Welcome back, Dean!

The 1979 and 1980 had different carbs that the CV carbs you are used to. The good news is the mechanical slide carbs actually CAN be made to work with the pods.

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