Mercury O-ring. 35 (350) pk 63-69, 65 (650) pk 4 cyl. 63-69 70-71, 90 (900) pk 6 cyl. 65, 95 (950) pk 6 cyl. 66-67, 100 (1000) pk 6 cyl. 64-65 68-69, 110 (1100) pk 66-67
Mercury O-ring. 35 pk 2 cyl. 84-86, 40 pk 70-71 72-74 75-77, 65 pk 73-76 73-75, 75 pk 84-88, 80 pk 69-72 78-79, 85 pk 73-77, 90 pk 78-79, 115 pk 70-72 73-79, 125 pk 68-69, 140 pk 78-79, 150 pk 73-77 78
Mercury O-ring. 70 pk 88-89, 80 pk 87, V-105 96&up, V-135 pk 86-88 89-90 91 98, V-140 Jet 94-95, V-150 86-88 89-90 88 91 93-95, V-175 91, V-200 82-90 91 89-90 87-88