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1996 SL900 hard start after sitting

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  • 1996 SL900 hard start after sitting

    Since last summer, I have had an extremely hard time starting my SL900. It almost seems as thought a fuel check valve has gone bad.

    If it has been sitting for more than a couple days I have to crank for about 10 seconds 3-4 times in order to get the ski running. I will get an initial fire immediately, then nothing for quite awhile.

    After the ski finally starts it is good to go until it sits again.

    Is there a fuel check valve in the system somewhere, or are the diaphragms just getting weak?

    Thanks, Cory

  • #2
    Re: 1996 SL900 hard start after sitting

    There are 2 check valves on the fuel tank, 1 lets psi in and 1 lets psi out if too much builds up. The tank must hold 1.5 positive pressure. Sometimes the water seperator/filter can leak air causing air to enter into the fuel sustem, try running a fuel line direct from the tank to the carbs and see if the issue goes away.
    SBT Tech Support is here to help with your problems.
    We try to answer each question quickly and accurately.
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    • #3
      Re: 1996 SL900 hard start after sitting

      Excellent, thanks.

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