Mercury Impeller 30, 40, 45, 50, 60, 65, 70, 75, 80 & 90 Hp Hp
30 Hp 4 Stroke 2.31:1 ratio
40 Hp 4 Stroke Big Foot & 2.31:1 ratio Serial No. OT228405 & Up, G231123 & Up
40 Hp 4 Stroke 4 Cyl. 2.31:1 ratio Serial No. OT228405 & Up
40 Hp EFI 4 Stroke 2.31:1 ratio Serial No. OT409000 & Up
45 Hp 4 Stroke Big Foot Bodensee & 50 Hp 4 Stroke Big Foot Serial No. OG231123 & Up
50 Hp 4 Stroke 4 Cyl. 2.31:1 ratio Serial No. OT178500 & Up
50 Hp EFI 4 Stroke 2.31:1 ratio Serial No. OT409000 & Up
60 Hp Sea Pro/Marathon/Big Foot Serial No. OD000750 & Up
60 Hp 4 Stroke Big Foot Serial No. OT178500 & Up
65 Hp Jet Serial No. OD283222 & Up
70 Hp Serial No. OB110054 & Up
75 Hp 3 Cyl. Serial No. A996142-OC221999
75 Hp 3 Cyl. Impeller I.D. .456 Serial No. OC222000 & Up
75 Hp 4 Stroke Serial No. OG960500 & Up
75 EFI 4 Stroke & 80 EFI 4 Stroke
80 Hp 3 Cyl. Serial No. A996142-Up
80 Hp Jet Serial No. OD28322 & Up
90 Hp 3 Cyl. Serial No. OA996142 & Up
90 Hp 4 Stroke Serial No. OG960500 & Up
