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2005 Yamaha roadstar gas cap

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  • 2005 Yamaha roadstar gas cap

    Anyone have issues with their gas cap not venting properly? I believe that is the problem I’m having with my bike.

  • #2
    The caps are to intended to vent. If you are still running with a fuel pump, you shouldn't have to worry about it. If you've gone pumpless, the tank needs to be vented in some manner. The cap can be made to and there used to be a tech article with instructions on doing so.
    Peace,
    Baron Wilhelm Gustav von Schmidt III
    (But you can call me Joe)

    Comment


    • #3
      Ok I still have a fuel pump, how do I know if it’s going bad ? Should it constantly be pulling gas from the tank ?

      Comment


      • Txulrich
        Txulrich commented
        Editing a comment
        The fuel pump will only run when the it thinks gas is required (when the pressure in the fuel line is low enough). When you first turn the ignition key, you should hear the fuel pump clicking as it fills the fuel line. It should stop as the float bowl fills up.

    • #4
      If you think it's not venting, check your rollover valve. It's like a double acting check valve, and is supposed to vent thru that valve. I have found them to stick or get gummed up. Most of us remove that valve and just run it straight thru. The valve location is behind the side covers and mounted on the down tube part of the frame.

      Comment


      • #5
        Found out why my gas tank wasn’t venting right, the vent hose coming from the tank was kinked. Fixed it right and now the fuel is flowing properly to my fuel filter and fuel pump. Bike is running fine now. Thanks everyone for your help.

        Comment


        • #6
          This’ll never do.

          only 8 hours, and the threads done.

          Comment

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