Reply To: New to AOMC with a 1963 mercury 200

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June 3, 2019 at 3:06 pm #176571
DAVID
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    US Member

    the tell tail is just that .maybe just clogged a little. try a paper clip to un clog or use compressed air. if the motor is running cool the pump is working. top of block should have a 1/8 pipe plug to check the pumping.. 1 914 310 7086.