Round Three?

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  • Eastcoaster
    XSive Maximus
    • Jan 2012
    • 500
    • oceancity NJ

    #1

    Round Three?

    XJ1100 did my second clean on the carbs I did not do a good job in the bowls on the starter feeds first round but now it starts great and runs well but when I go for a run anything over 3000rpm it bogs right down I replaced the pilot jets cleaned the mains set the floats replaced the needle valves and seats. It revs fine in neutral I just can't get it above 3000 on the ride I only cleaned the emulsion tubes in place I was not sure how to get out Can I replace them? Could the emulsions be causing the problem? I have been out of biking for 30 plus This awesome bike sat for 12 years It is in really good condition I just want to get this right I am just frustrated Thanks
    82 XJ1100J
    81 Venturer
    Newly acquired Aches N Pains collection
  • crazy steve
    XS-XJ Guru MODERATOR
    • Jan 2009
    • 7932
    • Beautiful outer Yelm, WA

    #2
    Originally posted by Eastcoaster
    ...I only cleaned the emulsion tubes in place I was not sure how to get out Can I replace them? Could the emulsions be causing the problem?
    If the carbs had any gum/crud in them, there's almost no doubt the emulsion tubes need cleaning too and that could be the problem. There's no need to replace them either unless they're damaged. To remove, pull the carbs, remove the bowls, main jets, and slide/diaphrams, then push the tubes into the slide hole until they drop out. Make sure you clean the holes out, and there's some small passages in there too. You can't get these carbs too clean....
    Fast, Cheap, Reliable... Pick any two

    '78E original owner - resto project
    '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
    '82 XJ rebuild project
    '80SG restified, red SOLD
    '79F parts...
    '81H more parts...

    Other current bikes:
    '93 XL1200 Anniversary Sportster 85RWHP
    '86 XL883/1200 Chopper
    '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
    Cage: '13 Mustang GT/CS with a few 'custom' touches
    Yep, can't leave nuthin' alone...

    Comment

    • XS1100_OEM4ME
      XS-XJ Guru
      • Mar 2009
      • 1619
      • Fort Myers, Florida

      #3
      +1

      +1 on CS, just pull them (emulsion tubes) and clean the crap out of them Also, check and re-check ALL float hights Running out of fuel is most often a float hight thing, or a clogged gas cap vent thing or a pinched fuel line thing, you get the idea Make SURE nothing is slowing down the fuel flow


      Originally posted by crazy steve
      If the carbs had any gum/crud in them, there's almost no doubt the emulsion tubes need cleaning too and that could be the problem. There's no need to replace them either unless they're damaged. To remove, pull the carbs, remove the bowls, main jets, and slide/diaphrams, then push the tubes into the slide hole until they drop out. Make sure you clean the holes out, and there's some small passages in there too. You can't get these carbs too clean....
      1979 XS1100 Special (Mad Max, OEM) Current
      1980 XS1100 Special
      1990 V Max
      1982 KZ750 LTD Twin
      1986 700 FZR Yamaha Fazer (faster then expected)
      1979 XS750 Special (my 1st Special)
      1974 CB750-Four



      Past/pres Car's
      1961 Catalina 389/1970 Torino GT 351/1967GTO 12to1 comp./ Roller cam/ T-10/ 456 gear/Tri-power/1967 GTO 400, 1969 Camaro, 1968 Z28, 2001 BMW M Roadster 0 to 60 in 4.5 sec. Jaguar XK8

      Comment

      • CatatonicBug
        Master of XSology
        • Oct 2008
        • 6117
        • Clinton, UT

        #4
        If it helps for directions, the main jet is what holds the emusion tubes in place. If they don't fall out easily, use a small wooden dowel and tap on the opening where the main jet screws into. That should knock the emulsion tubes lose. OFC, as Steve mentioned, the diaphragms need to be removed first, as that is where they will come out. Be careful when re-installing them, as there is a locating pin on the inside of the carb, and the groove on the side of the emulsion tube slides over that pin.
        1980 XS850SG - Sold
        1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
        Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
        Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

        Whether you think you can, or you think you cannot - You're right.
        -H. Ford

        Comment

        • JeremyL
          Truly XSive
          • Jun 2011
          • 152
          • Oneida, TN

          #5
          My emulsion tubes were the cause of a lot of my carb problems so I removed them to clean them and 2 of them broke as got them out. I used a wooden dowel and carefully removed them but when I had them almost out and pulled on them with my fingers they just broke apart with hardly any pressure on them. The replacements I got (used) weren't brittle like mine were so yours may not be that bad.
          1979 Special with 1980 motor and 1979 carbs

          Comment

          • Eastcoaster
            XSive Maximus
            • Jan 2012
            • 500
            • oceancity NJ

            #6
            Thanks to all

            The information posted youall shared is great. I did not understand how they came out I am really new to all of this. I am confident I can do this. The service manual was very non descriptive and anything I googled had shown screwed in tubes I had no idea I was at a loss and cleaned as best I could.If they are anything like the others they are bad everything was clogged from a 12 year sit. I had to "easy out" the pilots to replace. I will start on the tear down toinght and let you know I can't thank you enough for pointing me in this direction I will post with the results as soon as I am back together
            82 XJ1100J
            81 Venturer
            Newly acquired Aches N Pains collection

            Comment

            • Eastcoaster
              XSive Maximus
              • Jan 2012
              • 500
              • oceancity NJ

              #7
              Just a second thought? Compressed air?

              I was wondering if they are stuck is it possible to remove with compressed air?
              82 XJ1100J
              81 Venturer
              Newly acquired Aches N Pains collection

              Comment

              • crazy steve
                XS-XJ Guru MODERATOR
                • Jan 2009
                • 7932
                • Beautiful outer Yelm, WA

                #8
                Nope, you'll have to push/gently drive them out...
                Fast, Cheap, Reliable... Pick any two

                '78E original owner - resto project
                '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
                '82 XJ rebuild project
                '80SG restified, red SOLD
                '79F parts...
                '81H more parts...

                Other current bikes:
                '93 XL1200 Anniversary Sportster 85RWHP
                '86 XL883/1200 Chopper
                '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
                Cage: '13 Mustang GT/CS with a few 'custom' touches
                Yep, can't leave nuthin' alone...

                Comment

                • natemoen
                  Master of XSology
                  • May 2010
                  • 8640
                  • Fargo

                  #9
                  Here is a thread you can go through on cleaning the carbs

                  Nathan
                  KD9ARL

                  μολὼν λαβέ

                  1978 XS1100E
                  K&N Filter
                  #45 pilot Jet, #137.5 Main Jet
                  OEM Exhaust
                  ATK Fork Brace
                  LED Dash lights
                  Ammeter, Oil Pressure, Oil Temp, and Volt Meters

                  Green Monster Coils
                  SS Brake Lines
                  Vision 550 Auto Tensioner

                  In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

                  Theodore Roosevelt

                  Comment

                  • Eastcoaster
                    XSive Maximus
                    • Jan 2012
                    • 500
                    • oceancity NJ

                    #10
                    Yikes what a mess Half way through

                    Its 2pm on the east coast I am half way through the emulsion tubes. So far the large opening near the area you thread in the main jet is full on all 4 tubes with soft gunk. In 2 the the small holes are non exsisting totally clogged the others had some blockage. In for the soak and clean now I will keep you informed Thank you to everyone for the help with this so far so good.
                    82 XJ1100J
                    81 Venturer
                    Newly acquired Aches N Pains collection

                    Comment

                    • BA80
                      Doctor of XSology
                      • Oct 2010
                      • 9980
                      • Tulsa, Ok

                      #11
                      There's your problem. Be sure ALL THE PASSAGES are clean and flowing this round and you'll be in good shape.
                      Greg

                      Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

                      ― Albert Einstein

                      80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

                      The list changes.

                      Comment

                      • latexeses
                        XS-XJ Guru
                        • Jun 2008
                        • 1491
                        • California

                        #12
                        I don't know if you ahve been warned about this before but be careful about soaking the carbs. If you use a carb dip it can ruin the rubber seals on the butterfly shafts.
                        RIP Whiskers (Shop Boss) 25+yrs

                        "It doesn't hurt until you find out no one is looking"

                        Everything on hold...

                        Comment

                        • Eastcoaster
                          XSive Maximus
                          • Jan 2012
                          • 500
                          • oceancity NJ

                          #13
                          Round 3 complete

                          Round 3 is in the books. I am down to under an hour on the install of the carbs It would have been a lot quicker if I had not mixed up the choke and throttle cables not to bright there seinor moment and my eyesite is not what it was. I still have a lot to learn and a lot to do. Upon the turn of the petcock fuel started to leak out the air box but a quick tap set the floats Whew. It fired right up and the throttle seems very responsive. I am anxious to get out on the road and try this we have ice and snow now so a hold on that for a day or 2. I hope this solves the problem Thank you to all with your help through this. l hope to report back with good news soon.
                          Eastcoaster
                          82 XJ1100J
                          81 Venturer
                          Newly acquired Aches N Pains collection

                          Comment

                          • Rasputin
                            XS-XJ Super Guru
                            • Apr 2008
                            • 3180
                            • Lacombe, Alberta, Canada

                            #14
                            Originally posted by Eastcoaster
                            XJ1100 did my second clean on the carbs I did not do a good job in the bowls on the starter feeds first round but now it starts great and runs well but when I go for a run anything over 3000rpm it bogs right down I replaced the pilot jets cleaned the mains set the floats replaced the needle valves and seats. It revs fine in neutral I just can't get it above 3000 on the ride I only cleaned the emulsion tubes in place I was not sure how to get out Can I replace them? Could the emulsions be causing the problem? I have been out of biking for 30 plus This awesome bike sat for 12 years It is in really good condition I just want to get this right I am just frustrated Thanks
                            Check out http://www.xs11.com/forum/showthread.php?t=35349 that will take your remove and install time way down. I can remove or install in under 5 mins now. Mind you I have had them off so many times I lost count, but this certainly helps.
                            Last edited by Rasputin; 02-12-2012, 06:27 PM. Reason: Fred will check on my spelling
                            2-79 XS1100 SF
                            2-78 XS1100 E Best bike Ever
                            80 XS 1100 SG Big bore kit but not fully running yet.
                            Couple of more parts bikes of which 2 more will live!

                            Comment

                            • BA80
                              Doctor of XSology
                              • Oct 2010
                              • 9980
                              • Tulsa, Ok

                              #15
                              Originally posted by Rasputin
                              Check out http://www.xs11.com/forum/showthread.php?t=35349 that will take your remove and install time way down. I can remove or install in under 5 mins now. Mind you I have had them off so many times I lost count, but this certainly helps.
                              XJ is a little tougher. I want a video of that 5 min time.
                              Greg

                              Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

                              ― Albert Einstein

                              80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

                              The list changes.

                              Comment

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