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  • Needle Float Assembly

    Did a test on my float assembly’s and two of them checked out bad. Replaced them with what was supposedly original OEM Yamaha parts. Got them and they are a little different. Still jetted to 2.0, but the needles are different and have different tapers, and heights. Gonna slap em in anyway and see how they run.
    79 SF Special
    80 Special

  • #2
    Originally posted by CivilPenny View Post
    Did a test on my float assembly’s and two of them checked out bad. Replaced them with what was supposedly original OEM Yamaha parts. Got them and they are a little different. Still jetted to 2.0, but the needles are different and have different tapers, and heights. Gonna slap em in anyway and see how they run.
    Bike will NEVER run correctly unless Genuine Mikuni and in ORIGINAL Yamaha/Mikuni packaging. Having different tapers and lengths will especially NOT work!
    81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.

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    • #3
      So where the HELL do I find them?? I’ve looked everywhere and even the damn dealer can’t supply me with MIKUNI ones
      79 SF Special
      80 Special

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      • #4
        Opposing viewpoint

        You can't go wrong with Mikuni float needle valves, but I have K&L in my 4 of bikes and I am satisfied. I did buy the needles and seats together as an assembly, and I did need to readjust the floats significantly.

        One note of advice with the K&L, make sure the needle valve wire that goes around the float tang is not bent. If it is, straighten it out. Otherwise, the spring in the needle valve is pre-compressed and it behaves differently.

        -Mike
        _________
        '79 XS1100SF 20k miles
        '80 XS1100SG 44k miles
        '81 XS1100H Venturer 35k miles
        '79 XS750SF 17k miles
        '85 Honda V65 Magna ~7k miles
        '84 Honda V65 Magna 48k miles (parts bike)
        '86 Yamaha VMAX 9k miles

        Previous: '68 Motoguzzi 600cc + '79 XS750SF 22k miles +'84 Honda V65

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        • #5
          Partzilla.com
          80 G

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          • #6
            Needle valves

            Relying on dealers is most often a waste of time. These bikes are too old for them. All the information you need for any XS1100 or XJ1100 is tight here at XS11.com. Mikuni parts are not cheap, but they are what you need to use.

            Partzilla.com

            https://www.partzilla.com/product/ya...0b62d5fc935085

            Jetsrus.com

            http://www.jetsrus.com/individual_parts/007_503_su.html
            Last edited by MPittma100; 06-05-2018, 02:11 PM.
            1981 XS1100H Venturer
            K&N Air Filter
            ACCT
            Custom Paint by Deitz
            Geezer Rectifier/Regulator
            Chacal Stainless Steel Braided Brake Lines
            Chrome Front Rotor & Caliper Covers
            Stebel Nautilus Horn
            EBC Front Rotors
            Limie Accent Moves On In 2015

            Mike

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            • #7
              http://www.jetsrus.com/index.html

              Originally posted by CivilPenny View Post
              So where the HELL do I find them?? I’ve looked everywhere and even the damn dealer can’t supply me with MIKUNI ones

              JETS R US!

              http://www.jetsrus.com/index.html

              These guys offer GENUINE MIKUNI and "EQUIVALENT".

              NEVER had a problem with ANYTHING these guys have sold me....
              Kurt Boehringer
              Peachtree City, Georgia

              1970 - CT70K0 - Mini-Trail
              1978 - SR500 - Thumper
              1979 - CT70H - Mini-Trail
              1979 - XS1100SF - Pensacola
              1980 - XS850SG - Rocky
              1980 - XS1100SG - The Ugly Duck
              1980 - XS1100SG - Mayberry Duck
              1981 - XS1100SH - DEAD Duck Cafe'
              1981 - XJ550 Maxim - Nancy's Mini-Max
              1982 - XJ650 SECA - Hurricane
              1986 - FJ1200 - Georgia Big Red
              1992 - FZR1000 - Genesis
              2016 - FJR1300A - Montgomery

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              • #8
                Kurt, you have 8 bikes? You must have a big garage!
                Skids (Sid Hansen)

                Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.

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                • #9
                  Stuffed in like sardines in a can.

                  Originally posted by skids View Post
                  Kurt, you have 8 bikes? You must have a big garage!
                  YES, I have eight(8), plus the remains of a few others stuffed into the garage

                  NO, the garage isn't big it's basically a two-car with a 12' single door, but I have 'em stuffed in there like sardines! I can get my favorite XS11 (Duck) and the FJR out with relative ease, the others require me to nearly empty the garage to get to them..

                  The two-wheelers also share the garage with a '78 Trans Am 455. The car isn't exactly a Prius so it's footprint is rather large too..
                  Kurt Boehringer
                  Peachtree City, Georgia

                  1970 - CT70K0 - Mini-Trail
                  1978 - SR500 - Thumper
                  1979 - CT70H - Mini-Trail
                  1979 - XS1100SF - Pensacola
                  1980 - XS850SG - Rocky
                  1980 - XS1100SG - The Ugly Duck
                  1980 - XS1100SG - Mayberry Duck
                  1981 - XS1100SH - DEAD Duck Cafe'
                  1981 - XJ550 Maxim - Nancy's Mini-Max
                  1982 - XJ650 SECA - Hurricane
                  1986 - FJ1200 - Georgia Big Red
                  1992 - FZR1000 - Genesis
                  2016 - FJR1300A - Montgomery

                  Comment


                  • #10
                    Jets R Us

                    I haven't had much luck with Jets R Us. Specifically ordered mikuni assemblies and got K&L. Sent them back and they wouldn't issue me a refund. If your seats are good then just order the metal on metal needles from "mikes XS".
                    K&L is just a packaging company. They order stuff and put it out to tender then package what the lowest bidder sends them. They could be from Taiwan, chec republic, mexico, china who knows. Even in the packages there is no quality control in the spring tension from needle to needle.
                    mack
                    79 XS 1100 SF Special
                    HERMES
                    original owner
                    http://i946.photobucket.com/albums/a...ps6932d5df.jpg

                    81 XS 1100 LH MNS
                    SPICA
                    http://i946.photobucket.com/albums/ad305/mack-055/2.jpg

                    78 XS 11E
                    IOTA
                    https://youtu.be/wB5Jfbp6SUc
                    https://youtu.be/RaI3WYHSuWA



                    Have recovery trailer and shop if you breakdown in my area.
                    Frankford, Ont, Canada
                    613-398-6186

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