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    1987 90 hp bogging down

    I have a 90 hp evinrude that runs great except for one thing. At high speeds the boat bogs down. It idles and goes slow excellent. But when I speed up to plane out the boat it runs for a couple of minutes and shuts down. Everytime after this the primer bulb is flat. I have done many things...
  2. S

    90 hp evinrude bogging

    I have a 1987 Sierra boat with a 90 hp motor. Also, there is a mounted gas tank within the boat. My problem is that the boat starts up fine but after opening the throtle the engine bogs down and slows right down. I have tried many things to fix it from what I have read on here. The first...
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