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  1. J

    Mariner EFI fuel problem

    The priming bulb will not get hard, and when I start the outboard I have to give it gas in order to start it. However, when it does start I'm getting a spray of fuel coming from a small hole in a vacum hose fitting that is on the vapor separator. Fuel will spray out if I pump the priming bulb or...
  2. J

    Mariner 175 efi idle

    I recently bought a 175 hp Mariner outboard that only has 20 hrs. from a family friend. The engine was not started in 2 yrs, so I changed the gas, fuel filter, and I added fuel conditioner to the gas. The engine starts up fine, but you have to give it a little gas; however, after running for 15...
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