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    Mercruiser 120 new rebuild in a 76 starcraft Islander low RPM

    Ok we have this new engine in the boat and can only achieve about 2000 RPM under load. Timing and valve lash was set by mechanic. Fuel system has been flushed with new filters. 17p prop. Carb linkage has been checked and carb is fully open. We are running out of ideas? Any help to get this...
  2. M

    Mercruiser 120 water in oil after 6 hrs of breakin on new rebuild?????

    Hello everyone, Just put in a new rebuilt engine in the boat and checked oil after the 3rd time out and found it to be milky? Boat has new manifold on it and good riser (but not new). It did seem to start hard the first time on the 3rd trip out but good after that. Then found the oil when...
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