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  • #16
    BTW...petcocks do not operate on vacuum
    Former owner, but I have NO PARTS LEFT!

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    • #17
      Originally posted by DAVINCI View Post
      BTW...petcocks do not operate on vacuum
      The STANDARD petcocks do not operate on vacuum??? I know the Specials do not . . .
      1979 XS1100F
      2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

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      • #18
        You got it, Ian

        The Standard uses vacuum; Special uses the infamous Octy.

        .
        -- Scott
        _____
        ♬
        2004 ST1300A: No name... yet
        1982 XJ1100J: "Baby" SS Brakes, '850 FD, ACCT
        1980 XS1100G: "Columbo" SS Brakes, '850 FD, ACCT
        1979 XS1100SF: "Bush" W.I.P.
        1979 XS1100F: parts
        2018 Heritage Softail Classic 117 FLHCS SE: "Nanuk" It's DEAD, it's not just resting. It is an EX cycle.
        ♬

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        • #19
          The octy is vacuum controlled as well. Just for the record.

          The Special really got the best set-up. It has positive shut-off petcocks and a vacuum safety valve. IMHO, they should have all been done that way.
          Marty (in Mississippi)
          XS1100SG
          XS650SK
          XS650SH
          XS650G
          XS6502F
          XS650E

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          • #20
            Randy disabled the vacuum on this bike....thats what he is referring to
            1980 XS650G Special-Two
            1993 Honda ST1100

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            • #21
              Originally posted by madmax-im View Post
              Randy disabled the vacuum on this bike....thats what he is referring to
              Ah! Thank you, max; marty!


              <slinks off into the sunrise>
              -- Scott
              _____
              ♬
              2004 ST1300A: No name... yet
              1982 XJ1100J: "Baby" SS Brakes, '850 FD, ACCT
              1980 XS1100G: "Columbo" SS Brakes, '850 FD, ACCT
              1979 XS1100SF: "Bush" W.I.P.
              1979 XS1100F: parts
              2018 Heritage Softail Classic 117 FLHCS SE: "Nanuk" It's DEAD, it's not just resting. It is an EX cycle.
              ♬

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              • #22
                trick for leaking gas.

                remove the air box lower cover. Check carb intake bells for wet gas, determine which carb is leaking. Remove the drain bolt at the base of the float bowl for that carb. Using a small amount of compressed air blow In that float bowl hole. ( This will usually clear any debris and help stop the leak.
                79 1100 SF Carmine Red stock
                85 Honda v65 Magna
                70 Yamaha HS1 90cc twin Californian Orange
                02 Road King (retirement gift)
                First bike-s 2-1967 Yamaha YM2C Big Bear Scramblers

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                • #23
                  Originally posted by vedgar View Post
                  remove the air box lower cover. Check carb intake bells for wet gas, determine which carb is leaking. Remove the drain bolt at the base of the float bowl for that carb. Using a small amount of compressed air blow In that float bowl hole. ( This will usually clear any debris and help stop the leak.
                  I'll have to remember that the next time gas gets into the airbox...Thanks
                  1980 XS650G Special-Two
                  1993 Honda ST1100

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