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  1. J

    175 hp Blackmax oil injection

    I bought a boat with a 1986 blackmax oil injection The injection beeper goes off constantly. the system is functioning properly. I first replaced the reserve tank cap. I also replaced the stator, both switch boxes, the injection module, the driven shaft the motion sensor the motion sensor it...
  2. J

    1986 Mercury 175 hp. part throttle Surge

    I have a part throttle surge at 3000 to 5000 rpm The engine was rebuilt 100 hrs ago. I just rebuilt the carbs they are wh-46 just rebuilt the fuel pump replaced all lines. runs perfect at idle up to 3000 runs perfect above 5000. the fuel line is hooked directly to the engine. it has a...
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