1983 Johnson/Evinrude 2 thru V-6 outboards Service Repair Manual P/N 393765, Page 653Get this manual
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95 dUsing OMC Special Tool PIN 390063 (Check Valve Tester) and gearcase pressure tester, pressure check the valvesLightly oil the O-ring of the valve, and thread the valve into the testerPressurize th