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Ultra 150 Oil Pump

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  • Ultra 150 Oil Pump

    My new SBT motor is on the way and I have gone thru the carbs and the oil pump and did not find any problems. Since this is my second motor and nothing stands out as a problem I wanted to do the Kawasaki oil pump test from the dealer service manual that says to:

    1. Mix oil and gas 50:1 in the tank.
    2. Disconnect and plug the oil lines going to the carbs and bearings.
    3. Connect temporary lines to the oil pump and inject them with oil.
    4. Run the temporary lines to measuring cups.
    5. Start the engine and run at 3000 rpms for two minutes.
    6. Measure the amount of oil in the cups.

    Since I will be testing the fresh engine without the oil pump lines hooked up should I increase the mix in the 1st tank ?

    If I knew how many rpms the oil pump shaft turned with the engine running at 3000 rps I could duplicate it on a bench.

  • #2
    Re: Ultra 150 Oil Pump

    The pump turns at a 1:1 ratio with the crank, so 3000rpm. No need to heavy mix just for that.
    SBT Tech Support is here to help with your problems.
    We try to answer each question quickly and accurately.
    Please do not use Private Messaging for Tech Support, use the forums.

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    • #3
      New Motor In

      I now have the new motor in and it has 1/2 Hour of break in time. Is it a problem at this point to run on the trailer with the hose for 3 Minutes at 3,000 rpm to do the oil pump test ?

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      • #4
        Re: Ultra 150 Oil Pump

        Make sure you pre-mix the fuel before doing so and do not disconnect the front case injection point.
        SBT Tech Support is here to help with your problems.
        We try to answer each question quickly and accurately.
        Please do not use Private Messaging for Tech Support, use the forums.

        Comment


        • #5
          Re: Ultra 150 Oil Pump

          I have the 1st tank pre-mix in it per the "Break In" recomendations. The service manual says to check the output on all the lines but I will just do the ones to the cylinders.

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          • #6
            Re: Ultra 150 Oil Pump

            i have an ultra 150, i was wondering how well yours is holding up

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            • #7
              Re: Ultra 150 Oil Pump

              Please post that question on www.pwctoday.com, as has been stated to you this forum is for SBT product support only.
              SBT Tech Support is here to help with your problems.
              We try to answer each question quickly and accurately.
              Please do not use Private Messaging for Tech Support, use the forums.

              Comment


              • #8
                Re: Ultra 150 Oil Pump

                sorry, jus got the e-mail that said that

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