Reply To: OMC 9.5 HP Power head

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March 20, 2023 at 9:30 am #274186
JACQUES
Participant

    don’t get to worried about your #s for now …. just run it under full load with  a good  engine cleaner  product.           install a new head gasket ! no goop to block  water  circulation

    run it at 40/1 and  report back  with  results  🙂

    Joining AOMCI has priviledges 🙂