40-140HP 4-1/4" Gearcase 40/50hp(4 stroke/bigfoot)...all years 70hp...87-89 75hp(2&4 stroke)...84-newer 80hp...78-89 90hp(2&4 stroke)...78-newer 100hp...88-newer 115hp...78-newer 115hp(4 stroke)...01-newer 125hp...94-newer 140hp...78-81 650(4 cylinder)...61-70 650(2 cylinder) thru...71 800/850(6 cylinder) thru...72 800/850(4 cylinder)...72-77 900/1500 thru...77 Force 75hp...99-newer &90/120/150hp...95-newer