20 HP 1973-77 serial number 337531-4709592 35 HP 1972-88 serial number 6445653-B10788 * 30-40 HP 1991-97 40 HP (Mariner) 45/50 HP 1968-95 serial number 2116318-B110788 50 HP 1984-88 serial number 6428681-B122929 60 HP 1984-88 serial number 6428681-B122929 40/50/60 HP 1991-97 serial number D000750 & up 65 HP 1972-75 serial number 3293184-4382056 65 HP 1976-77 serial number 4382057-4571651 70 HP 1977-83 serial number 4571652-6428600 76 HP 1975 & later serial number 6432901 & up 80 HP 1969-72 serial number 2559001-34936912 80 HP 1978-83 serial number 4831999-6432900 85 HP 1973-85 serial number 3493913-4366801 85 HP 1976-78 serial number 4366802-4831998 90 HP 1975-86 serial number 4845301-5299505 115 HP 1975-88 serial number 3525441-4855152 115 HP 2.5L DFI serial number OG960500-OT178499 135 HP 1986-90 serial number A904646-C239552 135 HP 1991-01 serial number C239553 & up 135 HP 2.5L DFI serial number OG590000-OG960499 135 HP 2.5L DFI serial number OG960500-up 140 HP 1978-81 serial number 3293234-3502805 150 HP 1974-78 serial number 3502806-4868997 150 HP 1978-82 serial number 868648-6042945 150 HP 1983-90 serial number 6042946-C239552 150 HP 1991-05 serial number C239553 & up 150 HP 2.5L DFI serial number OG590000-OG960499 150 HP 2.5L DFI serial number OG960500-up 150 XR4 1988-91 serial number B242885-C239552 175 HP 1976-84 serial number 4301235-6618750 175 HP 1985-91 serial number 6618751-C239552 175 HP 1992-02 serial number C239553 & up 175 HP Sport Jet 1997-99 175 HP Sport Jet 2000-03 175 HP 2.5L DFI serial number OT178500-OT801000 & up 200 HP 1978-81 serial number 4839034-5363917 200 HP 1982 serial number 6073192-6203990 200 HP 1983-1991 serial number 6203991 & up 200 HP 1992-04 serial number D082000 ^ up 200 HP Sport Jet DFI 2001-03 200 HP ProMax serial number 0D93500-0G610079 200 HP ProMax serial number 0G857000 & up 210 HP Sport Jet (carb) 2001-03 220 HP 1987-88 serial number B117316 & up 200 XS DFI 2.5L serial number OT235000-up 225 HP 1980-93 serial number 5628028-D280812 225 Hp ProMax serial number 0D935638-0T429939 XR6 1992 & later serial number D082000 & up 240 HP Sport Jet EFI 2001-03 250-280 HP Hi-Perf Offshore serial number OG367000-OG85699 & up 2.5L DFI / Optimax 2000-up