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    Constant horn

    1990 Evinrude 150Hp.Had submersion problem,cleaned out lower unit.Warning horn sounds continuously,starts with key turn(engine not running),disconnected temp head sensors,still sounding.Engine runs, pumps water(not overheating) Does horn go bad?Any way to check?:confused:
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    Engine Water Jacket Cleaning

    Have 1990 Evinrude 150XP.Partially submerged for 1 hr in 3 ft(lot of sand in water).Motor runs ok but runs hot.Have replaced thermostats,gaskets,etc and cleaned water ways on top of head.Still getting sand and grit that clogs thermostats.Any way to clear grit?Have thought about removing lower...
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