What is the correct size of vacuum line?

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  • Incubus
    XS-XJ Guru
    • Aug 2006
    • 1003
    • Austin TX

    #1

    What is the correct size of vacuum line?

    I know that seems like a basic question, but with my recent idle and choke problems it's something I feel compelled to ask.

    The vacuum lines on my bike are new, but I only copied the size line that was already on there. Things I have found since I started this rebuild lead me to believe that the PO was pretty incompetent at mechanics - and if I can spot that then the situation had to be pretty dire.

    So what size line will allow my bike to suck - not like now, but in a good way - while still properly sealing?


    Patrick
    The glorious rays of the rising sun exist only to create shadows in which doom may hide.

    XS11F (Incubus, daily rider)
    1969 Yamaha DT1B
    Five other bikes whose names do not begin with "Y"
  • midnight1980
    XStremely XSive
    • Mar 2007
    • 312
    • cedar city, utah

    #2
    So what size line will allow my bike to suck
    its a BIG ten inch size into it
    LOL!

    http://www.youtube.com/watch?v=-vTzPbn6Hdk
    Last edited by midnight1980; 04-12-2007, 07:19 PM.

    Comment

    • John
      XS-XJ Super Guru
      • Oct 2003
      • 5117

      #3
      The vacuum lines, and the caps for the unused vacuum ports is 3/16 inch. You can buy regular automotive vacuum caps that are about 1 inch long, and leave them that length or cut them to your liking.

      Comment

      • midnight1980
        XStremely XSive
        • Mar 2007
        • 312
        • cedar city, utah

        #4
        .

        Comment

        • pggg
          XS-XJ Guru
          • Nov 2004
          • 1609
          • NZ

          #5
          Good party huh Midnight?

          Comment

          • webbcraft2150
            XS-XJ Guru
            • Sep 2002
            • 1605
            • AUSTIN.TX

            #6
            Originally posted by midnight1980
            .
            **************************************************

            Ground control to midnight, over.
            When a 10 isn't enough, get a 11. 80g Hardbagger

            Comment

            • midnight1980
              XStremely XSive
              • Mar 2007
              • 312
              • cedar city, utah

              #7
              **************************************************

              Ground control to midnight, over.
              [/QUOTE]

              so lets put our helmets on.
              cominsing countdown xs 11 engines on!



              http://www.youtube.com/watch?v=aY5a3Un3y8g
              Last edited by midnight1980; 04-12-2007, 09:47 PM.

              Comment

              • HobbyMan
                MeatHead Idiot "GURU"
                • Jul 2006
                • 1801
                • Colleyville, TX

                #8
                Don't forget those protein pills
                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.

                  #9
                  "Check ignition... and may God's love be with you."

                  (Oh stop it.. just stop it...)
                  "Damn it Jim, I'm a doctor, not a mechanic!' ('Bones' McCoy)

                  Comment

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