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  1. K

    77 Johnson Help stuck at lake

    I have a 1977 75hp johnson. Idles ok and can rev up to high rpm by manually moving carb linkage, but bogs down and dies under throttle load. Had carbs rebuilt, new gas, new tanks, new fuel lines and compression checks ok and new fuel pump but still having same problem. I need a new direction to...
  2. K

    surging/no power at wot

    I have 77 johnson 75hp fresh gas new primer bulb just took off and cleaned all 3 carbs. Boat idles at fast and low. Ran great for about 1/2 mile then lost power at wot had to limp on back on home at idle speed. Back on trailer, still idles at fast and low speed but loses power at full throttle...
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