Water connections, RC Jet Pump

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  • schoendls
    Junior Member
    • Mar 2023
    • 1

    #1

    Water connections, RC Jet Pump

    I have purchased a Jet Drive unit for a boat I am building, and of course it didn't come with any directions. There is a connection for a cooling water supply from the outlet nozzle mounted on the transom after the prop which I assumed was the high pressure supply for the motor cooling coil and ESC as needed. The question I have is about the second hose connection located between the motor and prop which appears to feed a water supply to the prop shaft internally between the two bearings/bushings. What is its purpose, and how is it plumbed? Any help would be greatly appreciated.
  • srislash
    Not there yet
    • Mar 2011
    • 7673

    #2
    That fitting would be for oiling. You can install a small length of tube on it and fill that tube with oil and the bearings will use that oil as needed.

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