• Required reading for all forum users!!!

    Welcome!
    Register to access the full functionality of the GSResources forum. Until you register and activate your account you will not have full forum access, nor will you be able to post or reply to messages.

    A note to new registrants...
    All new forum registrations must be activated via email before you have full access to the forum.

    A Special Note about Email accounts!
    DO NOT SIGN UP USING hotmail, outlook, gmx, sbcglobal, att, bellsouth or email.com. They delete our forum signup emails.

    A note to old forum members...
    I receive numerous requests from people who can no longer log in because their accounts were deleted. As mentioned in the forum FAQ, user accounts are deleted if you haven't logged in for the past 6 months. If you can't log in, then create a new forum account. If you don't get an error message, then check your email account for an activation message. If you get a message stating that the email address is already in use, then your account still exists so follow the instructions in the forum FAQ for resetting your password.

    Have you forgotten your password or have a new email address? Then read the forum FAQ for details on how to reset it.

    Any email requests for "can't log in anymore" problems or "lost my password" problems will be deleted. Read the forum FAQ and follow the instructions there - that's what we have one for...

  • Returning Visitors

    If you are a returning visitor who never received your confirmation email, then odds are your email provider is blockinig emails from our server. The only thing that can be done to get around this is you will have to try creating another forum account using an email address from another domain.

    If you are a returning visitor to the forum and can't log in using your old forum name and password but used to be able to then chances are your account is deleted. Purges of the databases are done regularly. You will have to create a new forum account and you should be all set.

Another dead on the roadside thread

  • Thread starter Thread starter Greenagain
  • Start date Start date
G

Greenagain

Guest
I'm in the process of ressurecting a 1980 GS1100E.
I had just replaced the stock fuel tank with one from a 750E, and changed the fuel lines.


See the last post for an update and my recent issues.
 
Last edited:
Usually the last thing you messed with is the culprit.

Is there gas getting into the carbs?

Is your fuel tank vent cloggged??? There is a vent in the gas cap.
Run it with the cap popped open, if it's fixed that's your trouble.

Could be a petcock thing too, clogged screen, vacuum diaphram not doing it's thing.

Is the vacuum line coming from the right place?

Assuming there is spark to the plugs? Not likely to fail the ignition after riding two miles or so...
 
Last edited:
tkent02 said:
Usually the last thing you messed with is the culprit.

Is the vacuum line coming from the right place?
Click to expand...

Yeap. Probably got a kink in your new petcock vac line. BTDT

Switch over to Pri. Any difference ?
 
dead one

dead one

Sure sounds like a clogged vent. Been there and done the whole routine. Runs well, then stops. A vacuum develops in the tank and the fuel cannot leave the tank.
Lee :-D
 
Sorry for the lame opener, with the lack of actual information. I guess I was just letting out my initial vent for being stranded for the first time in years. Waiting for tow trucks sucks.

Anyways when I get to investigate it further I hope I'll be able to add some relevant details.

Forgive my ****-poor internet forum manners. :)
 
Well when I took the gas cap off there was no sucking sound from any vacuum. Cranking with the cap off didn't help.
The fuel line leading to the carbs was pinched somewhat so I shortened it to alleviate that and tried again, but could still not seem to get fuel to the carbs.
I opened the drains off of 2 of the 4 carbs, and the one below the petcock had a small amount of rusty sludge on the top of the drain screw, but all the carbs were basically dry.
This is a new to me fuel tank. I removed it, and removed the petcock. I took the petcock apart, and the diaphram looks good- no rips or anything noticeable. The plunger moves freely. I tried spraying some brake cleaner in every different orifice to see if I could get it to flow one way or another but it doesn't. Hopefully I washed out anything that may have been blocking it.
I need to do something to this tank so it doesn't rust out before I try running it again. The gasoline that I poured out is rusty colored, and had some fine rusty sediment in it.
 
to test the petcock, you need to suck on the vacuum line. If you have the room, put in an inline fuel filter until you get your tank sorted. You may also need to put the petcock on prime until the bowls are full.
 
Booo Hiss.

Booo Hiss.

I wish I didn't have to bump this thread, but I'm still having trouble.
I removed my inline fuel filter yesterday, and filled my carb bowls by using a mity-vac on the vacuum line. The bike runs just fine around town, but today on the way to work while buzzing along the freeway at 75 mph or so for about 10 miles it managed to suck it's bowls dry, just like before. While on the side of the freeway I sucked on the vacuum line to draw fuel back into the bowls. Unfortunately I neglected to bring tools ( I thought I had the problem licked) so I couldn't lift the tank up to re-install the vacuum line to the carbs. I figured that if it wasnt' receiving enough vacuum to keep the bowls full, that the vacuum line wouldn't matter. I was wrong. It barely got 2 miles before dying. I re-loaded the bowls a 2nd time, and finally managed to get the line back on. This time I stayed under 70 mph, and made it the last 12 miles with no trouble.

What's my darned problem here?:mad:
 
filter screen?

filter screen?

You said there was sediment in the tank. Have you tried to remove and clean the filter screens above the needle valves? At least look at them and see if they're a mess. You had gunk in the bottom of the float bowl. It came from somewhere. You didn't mention if running in prime makes any difference, but that would tell you something, too.
 
You must log in or register to reply here.
Back
Top