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How long should it take for an 11 to warm up?

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  • How long should it take for an 11 to warm up?

    Hi guys, my 11 takes a few minutes warming up before I can turn the choke off and even then it takes a mile or two to really warm up and run completely normally. I know these bikes were built during the beginning of the emissions crack down and are jetted lean, but is this normal? Your thoughts/experiences?
    '79 XS11 Special, fork gaiters, Uni pods, 45 pilots, 140 mains, ditched the octy, solo seat, T kat fork brace

    Purrs like a kitten, runs like a scalded cat

  • #2
    Depending on the outdoor temps, I can usually start the bike before I put my helmet on, then put my helmet and gloves on, then mount the bike. As I roll backward down the driveway to the street, I can bump the choke in halfway. Then, about half a mile down the road, I can push it in the rest of the way. Another mile, and it's roaring 100%. If temps are below 40F or so, it might take a little longer, but that's my usual routine.
    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


    • #3
      Originally posted by 11Rider View Post
      Hi guys, my 11 takes a few minutes warming up before I can turn the choke off and even then it takes a mile or two to really warm up and run completely normally. I know these bikes were built during the beginning of the emissions crack down and are jetted lean, but is this normal? Your thoughts/experiences?
      Depending on the weather I might have it full choke for a min or two then half choke for a few min and then I will ride half choke for a mile or two before I push it all the way in. So yeah, sounds normal!
      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


      • #4
        The norm...

        Like these fellows have expressed, seems pretty normal. I also start it with full choke, let it sit that way a minute or two until the RPMS jump or it may even start boggin down, then bump the choke in halfway. Either let it sit a few minutes, or just a minute and take off. By the time I get to the end of my road which is about 1 mile, it is warmed up and I push the choke the rest of the way in.
        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

        Comment


        • #5
          Oh, OK. Thanks for the verification
          '79 XS11 Special, fork gaiters, Uni pods, 45 pilots, 140 mains, ditched the octy, solo seat, T kat fork brace

          Purrs like a kitten, runs like a scalded cat

          Comment


          • #6
            This also brings to mind something I was wondering; what's a good idle for these bikes? mine when parked warmed up I have it idling around 1k.

            Usually only takes a few minutes tops in 70+ degree weather.
            1982 XJ1100

            Comment


            • #7
              I start mine full choke, within 5 seconds go half, another 5 go off then start off easy . ( I live off a dirt road) One k seems what all say is normal idle mines quite abit lower with no probs.
              Last edited by Elevener; 08-25-2010, 10:36 PM.
              Trapped in time. Surrounded by evil. Low on gas.

              1980 XS1100G 1179 kit, Tkat brace, progressive springs & shocks, jardine spaghetti, Mikes coils, Geezer's rectifier

              Comment


              • #8
                Wait, your guys chokes don't just snap back to closed when you release them? You don't have to hold it open the whole time? Man, I never get the cool stuff...
                Joab

                "If nothing else, it will be interesting..."
                ______________________________________________
                1979 XS1100SF
                1972 XS2 650
                ______________________________________________
                Ozark, Alabama

                Comment


                • #9
                  Jmho

                  Originally posted by 11Rider View Post
                  Hi guys, my 11 takes a few minutes warming up before I can turn the choke off and even then it takes a mile or two to really warm up and run completely normally. I know these bikes were built during the beginning of the emissions crack down and are jetted lean, but is this normal? Your thoughts/experiences?
                  JMHO. my XS1100 Special will start first time, every time on full choke. Then, as I mount the bike and put on glasses, down to 2nd choke. Stand her upright and put in the kick stand, and choke off, rev a little and off I go. This is exactly how my first 1979XS worked back in 1979, this is how mine works in 2010, just as it should in cool/warm weather, if not, TUNE
                  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


                  • #10
                    Originally posted by Joab View Post
                    Wait, your guys chokes don't just snap back to closed when you release them? You don't have to hold it open the whole time? Man, I never get the cool stuff...
                    Hi Joab,
                    your PO must have lost your balls. The little spring loaded balls that click into detents in the choke rod and stop it flying shut again until you push it shut.
                    The way that those tiny carb parts can fall on the floor and disappear is why I tear down & rebuild my carbs in a big empty metal tray. There's one in most ovens that'll work great.
                    Fred Hill, S'toon
                    XS11SG with Spirit of America sidecar
                    "The Flying Pumpkin"

                    Comment


                    • #11
                      Originally posted by fredintoon View Post
                      your PO must have lost your balls.
                      HAHA. Man I am childish!! But I love it!
                      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


                      • #12
                        Originally posted by Joab View Post
                        Wait, your guys chokes don't just snap back to closed when you release them? You don't have to hold it open the whole time? Man, I never get the cool stuff...
                        You can replace the little balls if you need to (you really only need one). I can send you one if you need it. The spring, however, is a bit harder to find. You might get lucky and the spring might still be in the detent hole when you pull the choke rod out.

                        This picture is from an XJ carb, but the idea is the same on the XS.

                        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


                        • #13
                          Quick question.....

                          After going to/from work yesterday bike ran fine. Let it sit about 3 hours...then went to get gas for today.... pulled the choke out, hit the starter and it fired right up....let it sit about 15 seconds (due to being about 65-70 degrees out), snapped the choke back in and it idled just at 1000 rpms....usually idles about 1200....took off to gas station.

                          i noticed the choke went in rather hard, and now the bike is weak on the low end...after 3000 on the tach, lurches like it was shot out of a cannon.... then on decel, starts running ragged again below 2500 rpms....and will barely idle at 1000.....in neutral, rev it, and it pops on decel like its starving for go-juice....

                          Any thoughts????
                          '81H (my first XS ) "Grey Ghost"
                          Stock Pilots/ 110 mains (to change)
                          4:1 Jardine w/ headerwrap
                          Windjammer(wiring issues)
                          SonyMarine unit for Ipod/Polk Speakers
                          New paint/brakes to come!!
                          ===============
                          '80G FrankenBike (parts bike)
                          ===============
                          '80G to fix "BlackSunshine"
                          Stock Pilots/125 mains
                          Pod filters; 4:1 Kerker??
                          SS Brake lines w/ new M/C's
                          LED Brake Lite
                          Needs paint....

                          It is better to be thought a fool than to open ones mouth and remove all doubt....

                          Comment


                          • #14
                            Is there any chance that magical little ball and spring will come with the carb rebuild kits I ordered? Otherwise, I might have to ask nicely for that spare you have...I live in a land devoid of anything mechanically useful, apperantly.
                            Joab

                            "If nothing else, it will be interesting..."
                            ______________________________________________
                            1979 XS1100SF
                            1972 XS2 650
                            ______________________________________________
                            Ozark, Alabama

                            Comment


                            • #15
                              carb kit wont have it, or at least I have never seen one that does. Could also be that the spring failed and the ball is still in there JAT
                              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

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