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    Electric start conversion

    So I found a running 30hp Mariner with electric start that I plan to cannibalize for parts and convert a 1981 30hp Mariner to electric. The donor motor is serial 689 L 412368 (30EL) so I "think" it's a 1984. Please correct me if I'm wrong. Both are Yamaha built and all parts appear...
  2. I

    81 Mariner 30hp - kills shortly after start

    New to the forum. I have an 81 Mariner (made by Yamaha), 30hp manual start that is giving me fits. I bought the motor used and I don't know its history beyond what I was told. Some basics: Good compression (135 psi in both cylinders) New fuel pump, filter, bulb and lines from carb to tank...
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