• 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.

1984 GS1150 exhaust popping

  • Thread starter Thread starter youbloph
  • Start date Start date
Y

youbloph

Guest
I have an 1150, just got it running, it was initially running like crap on start up and traced it to a bad spark plug boot. I've since replaced all of the boots, and it seems to be running smooth, but is making occasional popping noises from the muffler, making it seem like it isn't simply an exhaust leak. The work i've done to the bike consists of rebuild engine, cleaned carbs, new plugs, new boots, new rotor, new clutch pack, rebuilt brakes. I've checked the wiring from the pick up through the signal to the coil, checked the coil, checked timing. I haven't balanced the carbs since i've gotten the bike, but i'm not sure if that would cause this issue. I'm starting to think its something with fuel delivery or intake (maybe air leak on one of the boots), but i'm honestly not sure. I'm in diagnostic mode right now so any suggestions will be useful.
 
Try spraying some carb cleaner around the boots & see if it revs up. You could also try a half turn out on the mixture screws. Better smarter guys then me will jump on here & help you
 
As Katarat said those more knowledgeable will be along...and they will likely ask.....when does the popping occur? Acceleration? Deceleration? Steady cruising?
 
It seems to happen most when i just let off the throttle, when setting in neutral or just starting to decelerate. I'll see if i can get an onboard video tomorrow morning before i go to work.
 
I'm not going to rule exhaust out yet, i'll go over the couplers and and make certain everything is sealed up in the morning
 
It could very simply be the fact that you haven't finished setting up the carbs yet. Vacuum synch them and then do your fine tuning and report back.
 
In my experience if it pops on decal the idle mixture screw is too lean, turn them out 1/2 like I said & try it. You do need to get everything else right too before you start making changes
 
I believe you really need to dial the carbs in before trying to troubleshoot anything else. There are several methods available, including the procedure linked in my signature.
 
I should have time tomorrow to balance and tune the carbs, i'll check in when i'm done
 
Don't know if you ever got the problem fixed or not but did you put the 4 exhaust collets back on the pipes for 2 & 3 cylinder. Mine were gone so I didn't know I needed them until I looked a parts diagram
 
Another quick note.... I recently leaned my carbs by turning in the idle screws (1/2 turn)- it was a rich at low speed. Now on decel, throttle closed, I get an occasional lean pop. Katarat may be on to it. Also, a full carb rebuild, replacement of bad intake boots, and synch made a huge difference in rideability and smoothness on mine.
 
You must log in or register to reply here.
Back
Top