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XJ1100 restoration.... The Big Black Beast

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  • XJ1100 restoration.... The Big Black Beast

    Yeah, Beast. (only because the things that I call it when the wrenches are out are rather uncomplementary, and not PG-16).

    It sat for 4 years, and after 2 weeks of beating up on it (1 hr/day), I finally have spark, and the starter engages without a jumper on the solenoid. Relay Bypass ... http://www.xs11.com/forum/showthread.php?t=29932

    On to the next adventure. The gas gummed up in the carbs!
    It was green when I opened the bowl drain screws, and once the bowls drained...no more. the petcocks were on "Prime". Lines full of fuel.

    So the floats are stuck, and I am positive that it will require a detailed cleaning. I'm trying to wade through the search results right now, but if anyone knows the proper thread that I should be looking under.... you'll help me get back to the wrenches, and away from the keyboard. Thanks a bunch. Stan.
    Last edited by tantor; 09-08-2010, 09:17 PM. Reason: DOHH!
    1982 XJ1100

  • #2
    carb cleaning 101

    http://www.xs11.com/forum/showthread...b+cleaning+101
    2H7 (79) owned since '89
    3H3 owned since '06

    "If it ain't broke, modify it"

    Comment


    • #3
      Work your way down the page to the maintenance section and click the carburetor link. There are several good write ups there. Patience will be the key to success.
      "If A equals success, then the formula is: A = X + Y + Z. X is work. Y is play. Z is keep your mouth shut." - Albert Einstein

      "Illegitimi non carborundum"-Joseph W. "Vinegar Joe" Stilwell



      1980 LG
      1981 LH

      Comment


      • #4
        It ran when parked??? Not Bloody Likely!

        That bike has seen the back of Pick-up truck, more often than my buddy's hunting dogs. It puts most Hardley Davidsons to shame( for broken time!)!
        I finally got the carb rack off, and this week, I will be re-living carb cleaning 101. Oh Joy! Not!
        1982 XJ1100

        Comment


        • #5
          That's the thread to follow. Have fun with those carbs. Hopefully you only need to pull them this once (unfortunately though it will probably be the first pull of many). Take your time and find each and every hole and book and get it clean.
          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


          • #6
            Follow that thread and pay attention, and you will be set to go. I have never seen the need for the "triple cleaning" or any of that nonsense. If it is clean and put together properly, it will work. Make sure you clean the tank before you run any gas from it into your clean carbs though. Carbs aren't rocket science, and you have four to practice on!
            Healthy is merely the slowest rate at which you can die

            Some people will tell you that slow is good - and it may be, on some days - but I am here to tell you that fast is better. I’ve always believed this, in spite of the trouble it’s caused me. Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba….Hunter S. Thompson

            Comment


            • #7
              Yes, it is happening! I have asked all of my retired Wrench bashers, as to the correct procedure, and most usefull cleaning solutions.

              MG, Jaguar, Rolls Royce, Mercedes Benz, and others... Carb Cleaning 101 is still the only manual. I'm trying to find the most current usefull cleaning solution, as the old ones that worked real well, are now prohibited!


              The reason that I'm not afraid to do this job.... is the last frame off restoration, that I finished. The other club members go it to the point of OK...
              After we bought it, I had the time to fix the 24 volt ancilliary crap. Fuel delivery is not my gig. I can chase wires, but..,
              Last project:

              http://www.steelsoldiers.com/members...-imgp1084.html

              I will put up more pics or links, later, but my web meister is on vacation in France right now.
              1982 XJ1100

              Comment


              • #8
                My biggest hint on the carbs that may not have been in that thread, is run a piece of wire into those float bowl enrichment jets from each direction. Spraying and getting a little carb cleaner through does not count. Trust me, it makes a big difference on how well it will start from cold.
                Life is what happens while your planning everything else!

                When your work speaks for itself, don't interrupt.

                81 XS1100 Special - Humpty Dumpty
                80 XS1100 Special - Project Resurrection


                Previously owned
                93 GSX600F
                80 XS1100 Special - Ruby
                81 XS1100 Special
                81 CB750 C
                80 CB750 C
                78 XS750

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                • #9
                  Originally posted by DGXSER View Post
                  My biggest hint on the carbs that may not have been in that thread, is run a piece of wire into those float bowl enrichment jets from each direction. Spraying and getting a little carb cleaner through does not count. Trust me, it makes a big difference on how well it will start from cold.
                  +1 on that

                  Yep... it's in there, but worth mentioning again


                  We've been using the Berryman B-12 Chemtool carb cleaner or the Gumout Carb cleaner... Both seem to do the trick on the carbs and as an added bonus, we get the appropriate amount of burn in the eyes...
                  81 SH Something Special
                  81 frame, 80 tank and side covers, 79 tail light and carbs, 78 engine, 750 final drive mod, Geezer rec/reg, 140 mains, LH wheels


                  79 SF MEAUQABEAUXS
                  81SH Nor'eas tah (Old Red)
                  80 LG Black Magic
                  78 E Standard Practice


                  James 3:17

                  If I can make at least one person smile, or pee their pants a little, or maybe spit out their drink; then my day is not wasted.

                  “Alis Volat Propriis”

                  Yamaha XS 1100 Classic
                  For those on FB

                  Comment


                  • #10
                    I was lucky enough to have found my carbs in a box already cleaned for my build.

                    It may be because my bike was in parts to begin with, but the air cleaner rubber boots were a pain to get on the carbs. I ended up just throwing them in a bucket of water and heated it with a torch to make the old hard rubber pliable enough to get them on. You just need to work quick.

                    -----

                    I did have some 20-year old gas in the tank that smelled like something I'd drink. I ended up draining it, rinsing, then using electrolysis to clean the rust up. I haven't gone any further. I was able to get it clean enough for fuel.

                    -----

                    Make sure you pull the fuel gauge and clean it up. I was able to get mine reading correct resistances, but have yet to actually hook it up. I needed to get a new gasket. I ordered this from boats.net for $8.39 after shipping.

                    I picked up a K&L petcock rebuild kit on E-bay for $31 after shipping. It contains everything to rebuild the 2 petcocks and the octy.
                    82J · 81SH · 79SF Fire Damage · 78E · 79F Parts Bike · 04 Buell Blast
                    Website/Blog

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                    • #11
                      Well, I think that I did everything right in the Carb Cleaning adventure, but I still have some problems. The airbox is filling with gas! How do I tell if it's a Petcock problem, Octy Prob, or Float problems? ..... Thanks.
                      1982 XJ1100

                      Comment


                      • #12
                        First, try tapping the bowls with a screwdriver handle, the floats can stick down on the initial fill-up. If the problem persists, the bowl gaskets may need trimming on the sides and/or the secondary adjustment tab on the floats may need bending to keep them from dropping too low.
                        2H7 (79) owned since '89
                        3H3 owned since '06

                        "If it ain't broke, modify it"

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