OMC Stern Drives And Motors 1964-1986 Repair Manual., Page 13Get this manual
All fittings and come the of the tankAn anti-siphon should installed close the tankThis spring-loaded valve will automatically prev fuel from being siphoned of the tank if the line from the tank the fuel pump should damaged and begin leakA manually-operated valve should installed if anti-siphon protection is not providedThis valve should installed in the line as close the tank as possibleSuch valve will maintain anti-siphon protection between the tank and the engineFuel tanks should mounted in dry, well ventilated placesIdeally, the fuel tanks should be installed above the cockpit floors, where any leakage will quickly detectedIn order- obtain maximum circulation of around Tuel tanks, the tank should come in with the hull through the necessary supportsT supporting surfaces and hold-downs must fasten the tank firmly and they should insulated from the tank surfacesThis insulation material should be non-abrasive and nonabsorbent materialFuel tanks installed in the forward portion of the boat should e
A neglected haul cmc! sfern driveSuch corrosion and marine growth will be costly the owner and greatly reduce his boating enjoyment through poor performance-