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    Petcock issue.

    I have been working on a 1981 GS450L and after rebuilding the carbs the thing was still acting like it wasn't getting proper fuel/air flow.

    Come to find out my new problem with the petcock.

    Now, the petcock that was installed on it last looks like a universal petcock; in fact, the previous mechanic hammered a dent in one of the tubes in order to get the tank to sit on the bike with this aftermarket thing on it.

    I was wondering whether it was worth it to order a new $89 petcock that is FOR this make/model or if another universal that costs like $20 be worth the savings.

    After disassembling and reassembling the petcock, the bike seemed to almost work but still randomly craps out; I assume to lack of fuel flow due to the PRI position not working properly.

    Note:

    I rebuilt the carbs because once I took them apart to inspect them I realized that most of the parts didn't match each other; it was a mess.
    Last edited by Guest; 03-19-2018, 11:35 AM.

    #2
    Originally posted by Meximus View Post
    I have been working on a 1981 GS450L and after rebuilding the carbs the thing was still acting like it wasn't getting proper fuel/air flow.

    Come to find out my new problem with the petcock.

    Now, the petcock that was installed on it last looks like a universal petcock; in fact, the previous mechanic hammered a dent in one of the tubes in order to get the tank to sit on the bike with this aftermarket thing on it.

    I was wondering whether it was worth it to order a new $89 petcock that is FOR this make/model or if another universal that costs like $20 be worth the savings.

    After disassembling and reassembling the petcock, the bike seemed to almost work but still randomly craps out; I assume to lack of fuel flow due to the PRI position not working properly.

    Note:

    I rebuilt the carbs because once I took them apart to inspect them I realized that most of the parts didn't match each other; it was a mess.
    Buy a new OEM petcock, might have a carb problem as well. Not sure how you can use unmatching parts in a carb?
    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 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
      New OEM petcock. Tried a couple different knockoffs and they all leak. Rebuild kits leak. New OEM unit is perfect.

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        #4
        Thanks guys.

        I don't know how he used mismatching parts either.

        The thing ran but would rev up to full-throttle as soon as you started it; told me it needed a little carb work.

        Replaced almost all the parts in it as a consequence.

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          #5
          Pingel is an option as well, mine cured mystery jetting problems, just saying....
          78 Gs 1000, 94 Honda Xr600

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            #6
            Pingel FTW.

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              #7
              Originally posted by Downs View Post
              Pingel FTW.
              I tried looking for "Pingel FTW", seems that nobody sells one.

              .
              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
              Family Portrait
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              Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
              (Click on my username in the upper-left corner for e-mail info.)

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