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  1. Ifishmuskie2

    1994 mariner 115, oil injection

    Hopefully I can see where the leak is without disconnecting any of the oil system.
  2. Ifishmuskie2

    1994 mariner 115, oil injection

    The oil tank is half full no leak while not running and sitting level. I’m taking it out in a few days to see about the oil leak.
  3. Ifishmuskie2

    1994 mariner 115, oil injection

    more reading and I’ve found a data sheet that says the oil injection mix changes with rpm. It also shows a check for correct oil amount by running premix. And disconnecting the oil injection and pump oil into a cup to measure. I think I’m going to mark the tank and then fill oil to the mark...
  4. Ifishmuskie2

    1994 mariner 115, oil injection

    Alright great info thanks. I’ll have more questions when I pull the tank off.
  5. Ifishmuskie2

    1994 mariner 115, oil injection

    When I pull the tank out I guess I’ll replace everything I can reach. Like the plastic oil pump gear.
  6. Ifishmuskie2

    1994 mariner 115, oil injection

    It doesn’t seem to be leaking from the top. It seems like near the bottom. I’ll have to look into it more. I understand to disable the oil injection has been debated for years. I was wondering more about this specific engine having known problems. I would like to use the oil injection...
  7. Ifishmuskie2

    1994 mariner 115, oil injection

    I’m running a 1994 mariner 115 with oil injection and it runs very well. Are these engines getting enough oil from the oil injection? Any known issues with using the oil injection? I do have a small leak of about 1 teaspoon when I tilt it up for a while. I’ll have to pull it apart and fix...
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