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  1. M

    OMC Fuel Pump Check Valve

    I have a 1957 Sea King 12hp (GG8971B) and I'm rebuilding the fuel pump. Everything in the pump looks like it's in great shape with one exception. One of the plastic discs (OMC 303643) that combines with a spring to make a check valve is ruined. I tried to make a new one, but I can't find a...
  2. M

    Water bypass cover?

    I have a 1957 Seaking 12 hp (GG8971B) and I'm kind of curious what the water bypass cover's function is. I checked the service manual and it doesn't mention it. Any information is appreciated. Thanks.
  3. M

    Sea King GG8971A vs. GG8971B

    Does anyone know what the difference is between the 1957, 12 hp, GG8971A and the GG8971B? Thanks!
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