carb question...almost there

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  • XSRIK
    XSive
    • Jun 2006
    • 45
    • meeker colorado
    #1

    carb question...almost there

    what would make the # 2 exhaust header burn so HOT it glowed while the other three are fine. some intermittent popping of the # 2 cylinder but otherwise running fine. cleaned and flushed carbs for third time today. No float valve leaks or anything to indicate burning to rich on #2 versus the others. I've never encountered this type of carb hoo doo before. any and all help appreciated. The "Shaft" got the best of me today.
    XSRIK
    79 XS1100F "Talkin' 'bout shaft"

    77 CB750 A "Dumpster classic" aka "Rattus Ottomaticus"
    Tags: None
    • prometheus578
      XS-XJ Super Guru (RESIGNED)
      • Aug 2004
      • 4012
      • Olympia , Wa.
      #2
      #2 is lean... really lean.

      Check for air leaks at the manifold. Pull the carbs again.
      "Damn it Jim, I'm a doctor, not a mechanic!' ('Bones' McCoy)

        Comment

        • renegade_xs11g
          XStremely XSive
          • Apr 2007
          • 462
          • Mid-Michigan
          #3
          just a shot in the dark, #2 header pipe plugged??????????????
          1980 XS11 Special aka The Monster
          "My life used to be a Soap Opera, until I realized something, I own the network."
          My Photo Bucket

            Comment

            • XSRIK
              XSive
              • Jun 2006
              • 45
              • meeker colorado
              #4
              lean? yes! not lean now! weirdness abounds in carb world although I am Getting it dialed in. Tomorrow should be the day. Thanks prometheus you are a giant among men and a midget among giants! Have a nice helping of easter merriment.
              peace, a big ass ham and malted milk easter eggs
              xsrik
              79 XS1100F "Talkin' 'bout shaft"

              77 CB750 A "Dumpster classic" aka "Rattus Ottomaticus"

                Comment

                • Snow
                  XS-XJ Guru
                  • Oct 2002
                  • 1041
                  • Tallahassee, FL
                  #5
                  /me is still puzzled why people eat ham for Easter and Christmas...seems rather ironic to me
                  1979 XS11F Standard - Maya - 1196cc (out of order)
                  1978 XS11E Standard - Nina - 1101cc
                  http://www.livejournal.com/~xs11

                    Comment

                    • HobbyMan
                      MeatHead Idiot "GURU"
                      • Jul 2006
                      • 1801
                      • Colleyville, TX
                      #6
                      #2 WAY lean. Been there done that. Check you intake boots and idle circuits
                      United States Merchant Marine Academy, Kings Point, NY
                      If I can do it at 18 yrs old, anyone can
                      "You know something, You can't polish a turd"
                      "What are you rebelling against", "Well, what do you got?"
                      Acta Non Verba

                        Comment

                        • prometheus578
                          XS-XJ Super Guru (RESIGNED)
                          • Aug 2004
                          • 4012
                          • Olympia , Wa.
                          #7
                          "I try to help... and he calls me names!"

                          I understood the giant/midget thing....
                          What was the other...?
                          Oh yeah...
                          "A big ham-ass?"
                          lean? yes! not lean now!
                          Sure, I was lean once... so maybe I've put on a few pounds, but a "Big Ham-ass?"
                          And yes, I only eat the heads of the chocolate bunnies. (Low-Cal chocolate, though)
                          "Damn it Jim, I'm a doctor, not a mechanic!' ('Bones' McCoy)

                            Comment

                            • red bandit
                              XSive Maximus
                              • May 2005
                              • 950
                              • central michigan
                              #8
                              I agree with the lean carb/boot. I saw a chevy 350 header pipes glow red because of exhaust valves adjusted wrong. Rule out the carbs first. Might check valve lash. I wouldn't ride it till you get that fixed or you will burn the valve.
                              79 F full cruiser, stainless brake lines, spade fuses, Accel coils, modded air box w/larger velocity stacks, 750 FD.
                              79 SF parts bike.

                                Comment

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