Reply To: Sea King Water Tube Restrictor

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February 13, 2019 at 10:15 am #166763
Mumbles
Participant

    I’ve seen these restrictors in the smaller pre-thermostat 5.5 and 7.5 horse OMC motors before and I thought they were meant for use in cold Northern waters to help keep the motor at a decent temperature. They can be drilled out quite easily if your motor is used in warmer waters.