petcock

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  • jprice90
    • Jan 2026

    #1

    petcock

    The damn thing will not turn now! I turned it to prime and now it wont move. No off position? What...

    Whats the corrct for fuel flow? On or fuel?
  • JTGS850GL
    Forum Guru
    Past Site Supporter
    • Aug 2013
    • 9735
    • GA

    #2
    Lever pointing straight down to the ground is normal running position.
    http://img633.imageshack.us/img633/811/douMvs.jpg
    1980 GS1000GT (Daily rider with a 1983 1100G engine)
    1998 Honda ST1100 (Daily long distance rider)
    1982 GS850GLZ (Daily rider when the weather is crap)

    Darn, with so many daily riders it's hard to decide which one to jump on next.;)

    JTGS850GL aka Julius

    GS Resource Greetings

    Comment

    • jprice90

      #3
      got the dang thing to turn, Im not sure why it was so tough. I was surprised how clean the petcock screen was

      Comment

      • dorkburger
        Forum LongTimer
        Past Site Supporter
        • Jan 2013
        • 10769
        • Stupid Freehold Boro NJ

        #4
        If you're new to this, dont leave it on prime (pri). If left on for an extended time with the bike off, gas will eventually fill the carbs, make its way into the cylinders, then fill the crankcase.
        A dot or of oil where the lever turns may ease operating it a bit. I do this to mine every couple of years. It will likely free up a bit over time, now that the bikes 10 year slumber is over.
        sigpic
        When consulting the magic 8 ball for advice, one must first ask it "will your answers be accurate?"

        Glen
        -85 1150 es - Plus size supermodel.
        -Rusty old scooter.
        Other things I like to photograph.....instagram.com/gs_junkie
        https://www.instagram.com/glen_brenner/
        https://www.flickr.com/photos/152267...7713345317771/

        Comment

        • jprice90

          #5
          good to know. since this has no off position, what do I leave it on

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          • dorkburger
            Forum LongTimer
            Past Site Supporter
            • Jan 2013
            • 10769
            • Stupid Freehold Boro NJ

            #6
            On or reserve (preferably on, so in case you run out of gas you can then switch to reserve)The petcock is vacuum operated. Vacuum from the engine opens it when starting / running. Prime setting is on all of the time, and generally only needed if the cycle has been sitting for a
            a while, and at that, just prime it for a few minutes before starting it, then switch it back to on.
            sigpic
            When consulting the magic 8 ball for advice, one must first ask it "will your answers be accurate?"

            Glen
            -85 1150 es - Plus size supermodel.
            -Rusty old scooter.
            Other things I like to photograph.....instagram.com/gs_junkie
            https://www.instagram.com/glen_brenner/
            https://www.flickr.com/photos/152267...7713345317771/

            Comment

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