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  • #1

    Carbs done!

    Well its take 3 weeks to get everything delivered, tear it all apart, clean everything and get it all back together but Im finally done. The carbs and airbox are both from Diverray. Rebuild kits for the gasket and idle screws from Georgefix on ebay.

    I completely tore them apart, all the way down to shafts and seals. Replaced the butterfly screws and a few steel bolts on the covers all with stainless hex.

    Painted with Rustoleum high temp engine paint. Not so much for the temp as much as for the fuel resistance.








    When I got the carbs and airbox I was a bit disappointed with thinking I was going to need to get the airbox re-chromed due to all the little rust spots. Today I hit it with some Eagle One polishing stuff.

    Before-



    After-




    Thanks everyone for putting up with all the questions while I got these back together.
    Nate

    78 XS11 "Matilda" 2H7 000364

    2001 Raptor ACCT, T.C. Fuse Box, TC Bros Forward Controls
    Kuryakyn Iso Grips/Throttleboss/Bar End Mirror, Custom Covered Seat
    Shinko 712s, HID Headlight, RC Performance Exhaust
    Bikemaster Daytona Handlebars, Galfer SS Brake Lines
    Barnett HD Clutch Springs, T.C. Spin On Filter Adapter
    K+N Air Filter

    88 Voyager XII
    81 XJ650 Maxim
    Tags: None
  • #2
    looks great! now the tricky part....put them on the bike and let it rip
    Nick

    1979 XS11 F,Yamaha fairings w/hard bags, TC's fuse box, K&N air filter

    1982 Virago 750 (it's alive!)

    1979 XS 11 F, Windjammer IV, Samsonite luggage cases(another rescue)

    Comment

    • #3
      See, that wasn't so hard, was it?....
      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

      • #4
        Ive run into some issues while trying to synch them.

        First, after getting them in I realized the PO must have removed the vac advance. There was nothing hooked up to the old mystery carbs and where Im guessing its supposed to hook into behind the timing cover is a rubber plug.

        Second, the PO had cut a hole in the oil breather area and put in what looks like an automotive breather cap. Now that I have a stock filter, I need to find something to plug up the old hole.

        Now for the synching. I can get all 4 carbs syched but cant get it to idle lower than 2k with the idle knob backed all the way out. The idle mixture screws are a full 3 turns out. I started at 1.5 then to 3 but no difference.

        Ideas on the vac advance and idle problems?
        Nate

        78 XS11 "Matilda" 2H7 000364

        2001 Raptor ACCT, T.C. Fuse Box, TC Bros Forward Controls
        Kuryakyn Iso Grips/Throttleboss/Bar End Mirror, Custom Covered Seat
        Shinko 712s, HID Headlight, RC Performance Exhaust
        Bikemaster Daytona Handlebars, Galfer SS Brake Lines
        Barnett HD Clutch Springs, T.C. Spin On Filter Adapter
        K+N Air Filter

        88 Voyager XII
        81 XJ650 Maxim

        Comment

        • #5
          Just occurred to me, without figuring out how to hook up the vac advance, that fitting on number 2 is open. Will close that off and try again tomorrow after work.
          Nate

          78 XS11 "Matilda" 2H7 000364

          2001 Raptor ACCT, T.C. Fuse Box, TC Bros Forward Controls
          Kuryakyn Iso Grips/Throttleboss/Bar End Mirror, Custom Covered Seat
          Shinko 712s, HID Headlight, RC Performance Exhaust
          Bikemaster Daytona Handlebars, Galfer SS Brake Lines
          Barnett HD Clutch Springs, T.C. Spin On Filter Adapter
          K+N Air Filter

          88 Voyager XII
          81 XJ650 Maxim

          Comment

          • #6
            Just went out and popped the timing cover off. The vac advance pot is in there with about 1.5 inches of hose and a plug. Why the hell would someone plug off the advance? Im really starting to hate the PO.
            Nate

            78 XS11 "Matilda" 2H7 000364

            2001 Raptor ACCT, T.C. Fuse Box, TC Bros Forward Controls
            Kuryakyn Iso Grips/Throttleboss/Bar End Mirror, Custom Covered Seat
            Shinko 712s, HID Headlight, RC Performance Exhaust
            Bikemaster Daytona Handlebars, Galfer SS Brake Lines
            Barnett HD Clutch Springs, T.C. Spin On Filter Adapter
            K+N Air Filter

            88 Voyager XII
            81 XJ650 Maxim

            Comment

            • #7
              Also sometimes the clamps on the carb boots can hold the throttle open some if they are not positioned right.
              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

              • #8
                nice

                now do mine lol, As far as I know mine have never been off the bike, runs good (unless were in the pouring rain). My boots that go between the carbs and the motor all all cracked but dont seem to leak. I know some day I will have to change them but plan on a carb rebuild and sync then
                Bike History:1980 XS 1100 special current bike
                1980 XS 850 special wife sold

                Comment

                • #9
                  Originally posted by Tat2demon View Post
                  Now for the synching. I can get all 4 carbs syched but cant get it to idle lower than 2k with the idle knob backed all the way out. The idle mixture screws are a full 3 turns out. I started at 1.5 then to 3 but no difference.

                  Ideas on the vac advance and idle problems?
                  As far as the idle goes, I just went through this. You weren't properly bench synched before you started this process. You're trying to sync to a master that is dialed up too high. Take them off, bench sync them, and do it again.

                  http://www.xs11.com/forum/showthread...ght=bench+sync
                  Marty (in Mississippi)
                  XS1100SG
                  XS650SK
                  XS650SH
                  XS650G
                  XS6502F
                  XS650E

                  Comment

                  • #10
                    Originally posted by jetmechmarty View Post
                    As far as the idle goes, I just went through this. You weren't properly bench synched before you started this process. You're trying to sync to a master that is dialed up too high. Take them off, bench sync them, and do it again.

                    http://www.xs11.com/forum/showthread...ght=bench+sync
                    Marty, If you read above, he did the sync with no advance hooked to #2, so it was sucking in air there and thus causing a higher idle.
                    Once he gets the vac advance hooked up, he should be able to dial it down then.
                    Hi, my name is George & I'm a twisty addict!

                    80G (Green paint(PO idea))
                    The Green Monster
                    K&N A/F, TC's fuse block, '81 oil cooler, TC's homemade 4-2 w/Mac Mufflers, Raptor 660 ACCT
                    Got him in '04.
                    bald tire & borrowing parts

                    80SG (Black w/red emblems & calipers)
                    Scarlet
                    K&N A/F, TC's fuse block, WJ5, Shoei bags, Raptor 660 ACCT.
                    Got her in '11
                    Ready for the twisties!

                    81H (previously CPMaynard's)
                    Hugo
                    Full Venturer, Indigo Blue with B/W painted tank.
                    Cold weather ride

                    Comment

                    • #11
                      Originally posted by GLoweVA View Post
                      Marty, If you read above, he did the sync with no advance hooked to #2, so it was sucking in air there and thus causing a higher idle.
                      Once he gets the vac advance hooked up, he should be able to dial it down then.
                      There should be no vacuum at the #2 carb port at idle. It's ported.

                      At idle the butterfly should cover the oraface inside.
                      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

                      • #12
                        Going out in a bit to try it again.

                        Pretty sure I know what went wrong.

                        I did do a bench sync, but when it came time to do a regular synch, I did it 1+2, 2+3, 3+4, then was all over. I misread the directions on the gauges. Will try again doing the pairs then synching them together.

                        Pretty mad at myself for this. Took me two hours to get those damn things in, now I gotta pull them back out
                        Nate

                        78 XS11 "Matilda" 2H7 000364

                        2001 Raptor ACCT, T.C. Fuse Box, TC Bros Forward Controls
                        Kuryakyn Iso Grips/Throttleboss/Bar End Mirror, Custom Covered Seat
                        Shinko 712s, HID Headlight, RC Performance Exhaust
                        Bikemaster Daytona Handlebars, Galfer SS Brake Lines
                        Barnett HD Clutch Springs, T.C. Spin On Filter Adapter
                        K+N Air Filter

                        88 Voyager XII
                        81 XJ650 Maxim

                        Comment

                        • #13
                          Originally posted by Jeffintampa View Post
                          My boots that go between the carbs and the motor all all cracked but dont seem to leak.
                          Yeah mine look like crap too but no leaks. Im going to replace them this winter when I do a full tear apart.
                          Nate

                          78 XS11 "Matilda" 2H7 000364

                          2001 Raptor ACCT, T.C. Fuse Box, TC Bros Forward Controls
                          Kuryakyn Iso Grips/Throttleboss/Bar End Mirror, Custom Covered Seat
                          Shinko 712s, HID Headlight, RC Performance Exhaust
                          Bikemaster Daytona Handlebars, Galfer SS Brake Lines
                          Barnett HD Clutch Springs, T.C. Spin On Filter Adapter
                          K+N Air Filter

                          88 Voyager XII
                          81 XJ650 Maxim

                          Comment

                          • #14
                            Originally posted by Tat2demon View Post
                            Going out in a bit to try it again.

                            Pretty sure I know what went wrong.

                            I did do a bench sync, but when it came time to do a regular synch, I did it 1+2, 2+3, 3+4, then was all over. I misread the directions on the gauges. Will try again doing the pairs then synching them together.

                            Pretty mad at myself for this. Took me two hours to get those damn things in, now I gotta pull them back out
                            3 is your static carb. 4 to 3, 1 to 2, then 1/2 to 3/4.
                            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

                            • #15
                              Yeah thats what unclearly tried to say. :P
                              Nate

                              78 XS11 "Matilda" 2H7 000364

                              2001 Raptor ACCT, T.C. Fuse Box, TC Bros Forward Controls
                              Kuryakyn Iso Grips/Throttleboss/Bar End Mirror, Custom Covered Seat
                              Shinko 712s, HID Headlight, RC Performance Exhaust
                              Bikemaster Daytona Handlebars, Galfer SS Brake Lines
                              Barnett HD Clutch Springs, T.C. Spin On Filter Adapter
                              K+N Air Filter

                              88 Voyager XII
                              81 XJ650 Maxim

                              Comment

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