Damn bike.

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  • Redbeard
    • Feb 2026

    #1

    Damn bike.

    Okay so I got my bike running and I went for a test drive and I was riding around the block and I noticed when I puttwist the throttle it like revs down and when I try driving with it it like the exhaust sounds like it's thudding and it's not going any faster than 10 mph
  • Guest

    #2
    A lot more information is needed here to speculate

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    • Redbeard

      #3
      Like what?

      Comment

      • Guest

        #4
        Is this post intended to alleviate some frustration and just a rant? or is it actually a post looking for help with why your bike isn't running properly?

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        • Redbeard

          #5
          1981 gs1000 35k miles.

          Comment

          • Redbeard

            #6
            Need help to Get it running/ rant lol

            Comment

            • bonanzadave
              Forum Guru
              Past Site Supporter
              • Jul 2006
              • 9623
              • Minnesota

              #7
              "Trying to diagnose running problems on a bike with an unknown maintenance history is an exercise in futility until a baseline is established through proper maintenance. Things like clean carbs, properly adjusted valves, sealed intake system (airbox, carb boots), a clean gas tank (no rust), and a properly functioning petcock are 100% mandatory for the bike to run properly. It's best to perform all the bikes maintenance when you first get the bike, and then if problems show up you will know what the problem is not."

              Mr. Nessism

              http://www.thegsresources.com/_forum...d.php?t=171846

              A poor running Bike sux ! But you've come to the right place for help and the guys here have BTDT many times over. So....I suggest start with this link (above) and then move on to this one.

              Last edited by bonanzadave; 01-12-2016, 08:17 PM.
              82 1100 EZ (red)

              "You co-opting words of KV only thickens the scent of your BS. A thief and a putter-on of airs most foul. " JEEPRUSTY

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              • tkent02
                Forum LongTimer
                Past Site Supporter
                • Jan 2006
                • 35571
                • Near South Park

                #8
                Not touching this one.....
                http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                Life is too short to ride an L.

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                • Nessism
                  Forum LongTimer
                  GSResource Superstar
                  Past Site Supporter
                  Super Site Supporter
                  • Mar 2006
                  • 35790
                  • Torrance, CA

                  #9
                  Wow!

                  Dave set up with the info. Go through the links and do some maintenance and then report back.
                  Ed

                  To measure is to know.

                  Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

                  Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

                  Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

                  KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

                  Comment

                  • Redbeard

                    #10
                    The carbs are clean the tank is clean and the petcock is properly working. It seems like there is a dead zone in the throttle when I twist it about a quarter of the way. And when I put it at full throttle it sounds like thudding but not getting any louder just constant thudding from the exhaust

                    Comment

                    • Frank Z.
                      Forum Sage
                      Past Site Supporter
                      • Sep 2009
                      • 1458
                      • Austin, TX

                      #11
                      Originally posted by nejeff
                      A lot more information is needed here to speculate
                      Is your bike completely stock, or does it sport any mods (pod filters, carb kit, 4/1 exhaust, etc.)? Have you rebuilt carbs, ensuring all parts are in good shape, accounted for, and reassembled properly? Carbs vacuum synced? How about inlet manifold o-rings... leaky ones will upset any performance you're trying to achieve.

                      As nejeff mentioned, you need to offer up as many details as you can think of. Post a couple pics of your bike as it sits now.
                      Last edited by Frank Z.; 01-13-2016, 07:06 PM.
                      '80 GS1000ST
                      '92 ZX-11
                      Past rides: '79 GS1000SN, '84 GPZ900R

                      http://totalrider.com/

                      Comment

                      • Carter Turk
                        Forum Sage
                        Charter Member
                        • May 2002
                        • 2281
                        • Bellingham Washington

                        #12
                        Exhaust manifold gaskets, maybe or broken/loose exhaust studs.
                        GS\'s since 1982: 55OMZ, 550ES, 750ET, (2) 1100ET\'s, 1100S, 1150ES. Current ride is an 83 Katana. Wifes bike is an 84 GS 1150ES

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