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  1. M

    couple of questions bout Mariner 9,9

    I recently purchased a 1984 Mariner 9.9 motor for my small boat. The motor runs, but I wanted to do some pm on it and have a couple of questions. I drained the lower unit to replace the gear lube. The lube I drained was green. The replacement lube I purchased is "Super Tech Marine SAE 80W-90...
  2. M

    a newbie i feel stupid question

    I just bought a boat, motor and trailer. It has a 1984 Mariner 9.9. I'd like to change the spark plug but can't figure out how to get the cover off.
  3. M

    Hello, new member with question

    Just puchased a small boat with a 1989 Mariner 9.9 outboard. Motor ran well in the test drive. Anyways, asked owner what ratio he mixed his gas and oil and he stated 40 to 1. In asking several of my friends, they said that their motors(all 2000 or above models)mixed at 50 to 1. What is the...
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