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    Boat Runs Hot when going above 3000rpms, please help

    i have a 95 maxum 2300 sc , 5.0l alpha1 gen 2, boat seems to idle fine and cruises fine and great temperature till i reach about 3200rpms then she starts to climb in temp from 160 to close to about 200 what can it be, impeller is new , carb is good, thermostat is new please help
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    Boat Runs Hot when going above 3000rpms, please help

    I just bought a 95 maxum 2300 sc, i have 5.0l mercruiser alpha 1 gen 2, with a closed cooling system. i just had it serviced for pretty much everything impeller, new carb, etc.. she idles fine and cruises at about 2800 to 3000rpms at about 160 degrees, if i go above 3000rpms she starts to climb...
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