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  1. S

    oil seal replacement on Mariner

    Any tricks to removing the oil seals on a Mariner lower unit without having to remove the cover nut on the prop shaft? Its an 1986 175hp Mariner.<br /><br />Thanks
  2. S

    175 Mariner 1986 no speed

    It runs great on the hose. When I put it in the water(under load), it will not go over 1000 rpm. I even give it full throttle and it still will not go over 1000 rpm. I had the carb rebuilt back in November. I just put in new switchboxes yesterday, both. I pulled each spark plug wire and I...
  3. S

    Mariner bogging down

    I have a 175 Mariner. It is bogging down underload, when I throttle it up in gear in the water. I checked the spark and it was giving me minor spark on three cylinders. Two on one side, one on the other. I checked it again at 3000+ rpms and it had great spark at the higher rpm. I just had...
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