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Got a carb syncing tool. This is what it told me.

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    #16
    Originally posted by ZombiePotatoSalad View Post
    Which is the main carb that all the others are based off of? #3?
    Yes, #3

    But, I was referring to the gauges. You need to calibrate them from one source, so that you know they are showing the same amount of vacuum

    Then you can hook up and sync
    1978 GS 1000 (since new)
    1979 GS 1000 (The Fridge, superbike replica project)
    1978 GS 1000 (parts)
    1981 GS 850 (anyone want a project?)
    1981 GPZ 550 (backroad screamer)
    1970 450 Mk IIID (THUMP!)
    2007 DRz 400S
    1999 ATK 490ES
    1994 DR 350SES

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      #17
      Originally posted by Big T View Post
      Yes, #3

      But, I was referring to the gauges. You need to calibrate them from one source, so that you know they are showing the same amount of vacuum

      Then you can hook up and sync
      So, whatever #3 lands on, I have to match the others to?
      Remember, I'm autistic, and I've never done this before. I may need it explained with more detail. I've seen a couple videos, and I followed what was shown.
      1980 GS550E

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        #18
        Make sure the engine is up to temperature and is idling nicely on its own before you do carb sync. It sounds like, from what you were saying, that you were trying to sync them with the choke on.
        Richard
        sigpic
        GS1150 EF bought Jun 2015
        GS1150 ES bought Mar 2014: ES Makeover Thread AND blog: Go to the Blog
        GS1100 G (2) bought Aug 2013: Road Runner Project Thread AND blog: Go to the Blog
        GS1100 G (1) Dad bought new 1985 (in rebuild) see: Dad's GS1100 G Rebuild AND blog: Go to the Blog
        Previously owned: Suzuki GS750 EF (Canada), Suzuki GS750 (UK)(Avatar circa 1977), Yamaha XT500, Suzuki T500, Honda XL125, Garelli 50
        Join the United Kingdom (UK) Suzuki GS Facebook Group here

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          #19
          Originally posted by londonboards View Post
          Make sure the engine is up to temperature and is idling nicely on its own before you do carb sync. It sounds like, from what you were saying, that you were trying to sync them with the choke on.
          That's the only way it will run.
          And yes, I've cleaned the carbs. The pathways were unobstructed. Blew compressed air through all the holes.
          1980 GS550E

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            #20
            Originally posted by ZombiePotatoSalad View Post
            That's the only way it will run.
            And yes, I've cleaned the carbs. The pathways were unobstructed. Blew compressed air through all the holes.
            You're ahead of yourself. If it won't idle without the "choke" it is not time to sync the carbs yet.

            Carb cleaner and compressed air is not how you clean these carbs.
            Follow the instructions for a proper dip clean, which I am sure someone has linked you already.
            Adjust the valves. Start over.

            Is there no one near Davenport that can help this young man?
            Bob T. ~~ Play the GSR weekly photo game: Pic of Week Game
            '83 GS1100E ~ '24 Triumph Speed 400 ~ '01 TRIUMPH TT600 ~ '67 HONDA CUB

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              #21
              Please stop and put down all tools until you read these posts carefully.

              First, if you just sprayed carb cleaner through a few holes then the carbs are NOT cleaned. Did you remove the carbs from the bike, completely disassemble each and all of them, the clean them following Nessisms written procedure found at Basscliff’s site? http://members.dslextreme.com/users/bikecliff/

              Secondly, you just asked me about the valve adjustment procedure using the zip ties barely a week ago. Did you check those clearances yet and what was each one set to?

              Third, have you replaced the orings behind each intake boot? Are you sure each boot is still in good shape?

              Once all of the proper steps above have been PROPERLY and FULLY completed and the bike is able to start and run on its own without starter fluid, then and only then should you attempt to synchronize the carbs.

              You say you are autistic, then slow down and do this step by step as we have tried to lay out for you in the order we have tried to explain. Otherwise you are not helping yourself.
              Cowboy Up or Quit. - Run Free Lou and Rest in Peace

              1981 GS550T - My First
              1981 GS550L - My Eldest Daughter's - Now Sold
              2007 GSF1250SA Bandit - My touring bike

              Sit tall in the saddle Hold your head up high
              Keep your eyes fixed where the trail meets the sky and live like you ain't afraid to die
              and don't be scared, just enjoy your ride - Chris Ledoux, "The Ride"

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                #22
                Originally posted by cowboyup3371 View Post
                Please stop and put down all tools until you read these posts carefully.

                First, if you just sprayed carb cleaner through a few holes then the carbs are NOT cleaned. Did you remove the carbs from the bike, completely disassemble each and all of them, the clean them following Nessisms written procedure found at Basscliff’s site? http://members.dslextreme.com/users/bikecliff/

                Secondly, you just asked me about the valve adjustment procedure using the zip ties barely a week ago. Did you check those clearances yet and what was each one set to?

                Third, have you replaced the orings behind each intake boot? Are you sure each boot is still in good shape?

                Once all of the proper steps above have been PROPERLY and FULLY completed and the bike is able to start and run on its own without starter fluid, then and only then should you attempt to synchronize the carbs.

                You say you are autistic, then slow down and do this step by step as we have tried to lay out for you in the order we have tried to explain. Otherwise you are not helping yourself.
                1. I took it apart only as far as taking all the moving guts out. I started taking the seats out that the float needles reside in, but one of the screws heads stripped as I tried to remove it, becoming too loose for any of my screwdrivers. I was worried if I put it in the dip, the O-ring inside would be eaten. So I stopped and put everything back together, rather than compromise a seal. That's when I used compressed air and carb cleaner. Please do not assume I haven't read. I enjoy reading.
                2. I have not tried that zip tie method yet. I was waiting until I got the carb sync tool so I could do that afterward. I ordered a specific tool on Amazon, but the delivery date kept getting moved back and moved back, so I canceled that. That's when I settled on just using zip ties instead. I was also waiting on a digital caliper I ordered, which came the other day.
                3. Yes, even put new boots on it, AND put gasket sealant behind every one. Since one of the boot screws broke and I had been unable to extract it, I drilled through the remains with a self-drilling screw. I tested it with starting fluid. No leaks.

                When the carbs are empty of fuel and I attach the fuel tank, sometimes it kicks over quickly. Other times, it doesn't. If it won't be so hard on the o-ring, I'll take the carbs apart again and dip them. It's just that one screw. How long would you recommend leaving them in? But before that, I'll finally crack open the case and take measurements of the valve shims. I found a PDF from BikeCliff's website on that. I also found this website: https://biketech7.blogspot.com/2016/...ing-valve.html
                Last edited by ZombiePotatoSalad; 05-13-2020, 08:33 AM.
                1980 GS550E

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                  #23
                  You're ahead of yourself. If it won't idle without the "choke" it is not time to sync the carbs yet.
                  Exactly....really, the bike should be running pretty well before the carb synch. Carb synching is "tuning" -not repair or troubleshooting. (Mind you, a single vacuum gauge can help indicate cylinder problems...)

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                    #24
                    Originally posted by Gorminrider View Post
                    Exactly....really, the bike should be running pretty well before the carb synch. Carb synching is "tuning" -not repair or troubleshooting. (Mind you, a single vacuum gauge can help indicate cylinder problems...)
                    I had assumed it was the carbs, because that's often the first thing I was told. I had never taken an engine apart, and to me, trying to take any part of the main block off would result in me screwing something up horribly. Only recently did I learn the valves will muck up how an engine runs, and the cleanest carbs in the world couldn't fix that. So that's my next thing. I have some feeler gauges, a telescoping magnet, some screwdrivers, and zip ties.
                    1980 GS550E

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                      #25
                      Problem: the head is stuck fast, and I'm unsure how to loosen it. 1589392660168588969148423038620.jpg

                      EDIT: With a little heat and soft taps with a hammer and screwdriver, I got it loose.
                      Last edited by ZombiePotatoSalad; 05-13-2020, 02:19 PM.
                      1980 GS550E

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                        #26
                        Originally posted by ZombiePotatoSalad View Post
                        Problem: the head is stuck fast, and I'm unsure how to loosen it. [ATTACH=CONFIG]61001[/ATTACH]

                        EDIT: With a little heat and soft taps with a hammer and screwdriver, I got it loose.
                        That's just the valve cover, not the head. You are not "taking the engine apart"
                        Bob T. ~~ Play the GSR weekly photo game: Pic of Week Game
                        '83 GS1100E ~ '24 Triumph Speed 400 ~ '01 TRIUMPH TT600 ~ '67 HONDA CUB

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                          #27
                          Originally posted by Baatfam View Post
                          That's just the valve cover, not the head. You are not "taking the engine apart"
                          I didn't remember the word for it. That's why I included a picture, so you could make sense of it.
                          1980 GS550E

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                            #28
                            hopefully, you've kept track of the bolts, or put them in a cardboard "map". 2 of the bolts are a different length , 45mm. The other 14 are 40mm.

                            Rich
                            1982 GS 750TZ
                            2015 Triumph Tiger 1200

                            BikeCliff's / Charging System Sorted / Posting Pics
                            Destroy-Rebuild 750T/ Destroy-Rebuild part deux

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                              #29
                              Originally posted by ZombiePotatoSalad View Post
                              I set the idle screw to just touching the mixture screw hole, which I heard is a good baseline idle.
                              I, along with others, wish there was somebody near you to keep you from killing your bike.

                              Your idle screw does not go anywhere near the mixture screw hole, let alone to set "a good baseline idle".

                              The idle adjuster screw is below the carbs, right in the middle. You need to turn that IN (clockwise) to raise the idle speed so that the engine does not die.

                              Why are you messing with the idle mixture screws when you don't even have the carbs synched yet?

                              Which screws are you adjusting to sync the carbs?

                              .
                              sigpic
                              mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
                              hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
                              #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
                              #2 son: 1980 GS1000G
                              Family Portrait
                              Siblings and Spouses
                              Mom's first ride
                              Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
                              (Click on my username in the upper-left corner for e-mail info.)

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                                #30
                                Originally posted by Steve View Post
                                I, along with others, wish there was somebody near you to keep you from killing your bike.

                                Your idle screw does not go anywhere near the mixture screw hole, let alone to set "a good baseline idle".

                                The idle adjuster screw is below the carbs, right in the middle. You need to turn that IN (clockwise) to raise the idle speed so that the engine does not die.

                                Why are you messing with the idle mixture screws when you don't even have the carbs synched yet?

                                Which screws are you adjusting to sync the carbs?

                                .
                                All I can do is follow what I can see and read. Videos, guides, and these forums. Not many videos specifically deal with the 550.
                                1980 GS550E

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