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Which pickup tube does prime draw from?

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    #1

    Which pickup tube does prime draw from?

    I need to drain my tank. If Prime draws fuel from the Reserve pickup tube, I should be able to drain most of the gas using Prime.

    Thanks in advance
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    #2
    Originally posted by teedubya56 View Post
    I need to drain my tank. If Prime draws fuel from the Reserve pickup tube, I should be able to drain most of the gas using Prime.

    Thanks in advance
    Just siphon the gas out, its much faster. Use a 1/2 clear hose so you can watch it when you suck on it. Mmmmm nothing like the taste of gas in the morn lol.
    sigpicMrBill Been a GSR member on and off since April 2002
    1980 GS 750E Bought new in Feb of 1980
    2015 CAN AM RTS


    Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.

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      #3
      I've drained mine on prime several times and it does empty all the fuel.

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        #4
        I use one of these.


        The handle and hose comes off easy for draining anything I need it to.
        It has been a well used tool in my shop.

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          #5
          Length of line and on prime..will take about 10 minute with a full tank..can be doing somethingbelse as it drains. Might be about 3 0r 4 OZ left, but that can be shaken out and into the can once you remove the tank from the bike.
          MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
          1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

          NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


          I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

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            #6
            To answer the original question: The PRIME does, indeed, drain the tank from the RESERVE setting on the petcock.

            .
            sigpic
            mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
            hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
            #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
            #2 son: 1980 GS1000G
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              #7
              Thanks for all the replies.

              I'm below half a tank, so it shouldn't take too long.

              I bought a new petcock during Boulevard Suzuki's Cyber Monday sale. It will be nice to be able to select Reserve without pliers.

              I really appreciate the info available on this site.

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