Anti-siphon valve

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  • mf01
    Senior Member of PLANETNAUTIQUE
    • Jun 2005
    • 515

    • Austin, TX


    Anti-siphon valve

    I've read many posts about cleaning the anti-siphon valve on the gas tank. I've seen the 90 elbow connected to the tank. Do you need to unscrew it and take it out to clean it?
    Previous:
    2011 Super Air Nautique 210
    1994 Sport Nautique
  • horkn
    • Aug 2007
    • 270

    • WI

    • 78 CC Martinique, rebuilt floor and custom interior.

    #2
    yep, unscrew it, and take it out of the boat. You'll see a ball valve and hopefully your culprit.

    Mine had bees or wasps in it, blocking fuel flow much more than idle.

    Comment

    • east tx skier
      1,000 Post Club Member
      • Apr 2005
      • 1561

      • Tyler, TX


      #3
      Replaced mine last year after the boat started dying out of the hole. $11 for a new one and it runs like a top again. I didn't bother with cleaning it, but that sounds pretty economical, too.
      1998 Ski Nautique (Red/Silver Cloud), GT-40, Perfect Pass Stargazer 8.0z (Zbox), Acme #422, Tunable Rudder.

      Comment

      • mf01
        Senior Member of PLANETNAUTIQUE
        • Jun 2005
        • 515

        • Austin, TX


        #4
        Where did you get a new one? I didn't see one at Ski dim.
        Previous:
        2011 Super Air Nautique 210
        1994 Sport Nautique

        Comment

        • horkn
          • Aug 2007
          • 270

          • WI

          • 78 CC Martinique, rebuilt floor and custom interior.

          #5
          Since you have to take the old one out in either case, you might as well just clean it out and use the 11 dollars to buy a gallon of gas. LOL

          Comment

          • mf01
            Senior Member of PLANETNAUTIQUE
            • Jun 2005
            • 515

            • Austin, TX


            #6
            I cleaned mine out, but it didn't seem bad. I used thread sealant putting it back in, but only waited an hour for it to dry. I've read that there is no cure time on sealant for up to 1000 PSI. How long do you typically wait for it to cure/dry?
            Previous:
            2011 Super Air Nautique 210
            1994 Sport Nautique

            Comment

            • JUST-IN-TIME
              • Sep 2007
              • 293

              • ON YOUR BOAT


              #7
              the sealant should really never dry
              you want the pipe dope or gastex stuff

              HUMAN BUILT = HUMAN FIXED

              CERTIFIED MARINE/PWC TECHNICIAN
              switchbait.com

              Comment

              • east tx skier
                1,000 Post Club Member
                • Apr 2005
                • 1561

                • Tyler, TX


                #8
                Originally posted by mf01 View Post
                Where did you get a new one? I didn't see one at Ski dim.
                Local CC dealer.

                Originally posted by horkn View Post
                Since you have to take the old one out in either case, you might as well just clean it out and use the 11 dollars to buy a gallon of gas. LOL
                Where were you with this advice when I needed it a year ago.
                1998 Ski Nautique (Red/Silver Cloud), GT-40, Perfect Pass Stargazer 8.0z (Zbox), Acme #422, Tunable Rudder.

                Comment

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