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    Merc 5.0 EFI running at 130 with no thermostat

    Bought the boat this year. After long runs at idle it warmed up and would alarm and shut down after adding power. (Showed 170). Changed the temp sending unit and it showed 210. Removed the thermostat and it runs at 130. New out drive water pump. The motor has a pump attached to the engine not...
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