25-70HP.
3-1/4" Gearcase.
25hp Bigfoot(4 stroke)...1999-2005;
30hp Bigfoot(4 stroke)...2010-newer;
30hp(2&4 stroke)...1994-2005;
30hp(sea Pro/Marathon)...1994-newer;
35hp...1984-1989;
402&500 Models...1974-1984;
40hp(2&4 stroke/not )...1977-newer;
40hp(Sea Pro/Marathon)...1977-newer;
45hp...1986-1989;
48hp(Mariner)...all years;
50hp(2&4 stroke/not )...1977-newer;
55hp(Mercury/Sea Pro/Marathon)...1995-newer;
60hp(4 stroke)(not or Sea Pro/Marathon)...1978-newer;
60hp(2 stroke)...1978-newer;
70hp(Model 700)...1983;
Force40/50hp...1995-1998;
70hp...1991-1995;