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Trying to go pumpless

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  • Trying to go pumpless

    I have an 07 Roadie and I really want to remove the fuel pump and let gravity do the work. I found the MaxAir Pumpless kit but they are out of the Bowl Float needles needed to convert the stock carb to a pumpless carb. Several years ago I put on a Baron Big Air kit along with the Baron rejet kit. So i guess my question is do I need to replace the Bowl Float needle valve to use the MaxAir pumpless kit since I used that Barons rejet kit? If I do does anyone know where to find the Float valve need to go pumpless?
    Thanks for reading. Any help in this matter would be greatly appreciated.
    Riding Refreshes the Soul!

  • #2
    from Solon, IA

    If you search this site there will be several conversations regarding going pumpless. One member has done so without changing the float valve. It probably depends on how hard you ride. You may starve for fuel without changing the valve. I didn't find the Yamaha part number for the 660 Grizzly but I believe that's the one folks use. Here is a tech article from this site...it looks pretty old however.

    https://www.roadstarclinic.com/artic...your-fuel-pump

    There is an inlet screen on the carb that you'll want to remove as that will easily plug and restrict fuel. I'm sure some of the more experienced carb guys will chime in (I'm on a fuelie ride).

    Comment


    • #3
      Yea, what he said.

      Comment


      • #4
        Thanks guys
        Riding Refreshes the Soul!

        Comment


        • #5
          whatever Max has in his so called kit is a ripoff as is all of his products. All you need is the grizzly valve and really nothing else. Yamaha Part # 2c614190-30-00

          Comment


          • #6
            Thats exactly what I was starting to think after looking in the tech section here on the Clinic. It damn sure isnt worth 200 bucks!
            Riding Refreshes the Soul!

            Comment


            • Brad_G
              Brad_G commented
              Editing a comment
              I was wondering what this "kit" consisted of. Most conversations on here are Grizzly float valve and make sure the carb inlet screen is removed and the tank vents as it should.

          • #7
            The kit doesnt even come with a new float valve lol I see that its an option.

            Comment


            • #8
              Brad_G heres the kit I was talking about.

              https://www.maxairengineering.com/mm...de=NO_PUMP_MOD
              Riding Refreshes the Soul!

              Comment


              • #9
                That is the kit I said was a farce and a ripoff. None of that is needed. Just install the Float valve I gave you the part number to and install a fuel line from the OEM tank valve to the carb. filter optional but I would use one. Float valve from the dealer is under $30 and you are done.

                If you want a high flow tank valve contact Duke here on the forum he can hook you up.

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                • #10
                  While it's true none of that is needed per se, the Pingel petcock itself is nice and $100 by itself. The filter is $54, so , when you look at it that way it doesn't seem so much like a rip-off. Not to defend MaxAir or anything, I have never bought shit from them, so what do I know? I just know when I went pumpless It was around $40 for everything. I have never had any fuel flow problems with the stock petcock.

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