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    1989 115 hp 4 cyl. compression low?

    Checked the compression on my motor at 90 psi on all 4 cyls. Should I contemplate a rebuild? Or just use it the way it is?
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    idle circuit help on 115 hp 4 cyl.

    I have a new to me 115 hp 1989 serial C216149. When I first got the motor it would not run, it fired, and tried to run but no joy on the run. Now after installing four new plugs, four carb kits, draining the fuel system and adding fresh fuel, replacing the water separator, the motor will run...
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    Sonar transducer inside metal hull?

    Previously I fished from a kayak with a plastic hull. My fish finder transducer was installed inside the hull. Can I do the same with an aluminum hull?
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    Mariner 30 reverse engagement problem

    Recently purchased a 1983 30 hp mariner that doesn't engage in reverse. It sounds like it tries but doesn't fully engage. Are there adjustments on the shifter, cables or LU to fix this?
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