What manner of apparatus is this?
A 20 hp Mercury outboard, serial number OG156340, is a 1995 year model.
A 20 hp Mercury outboard, serial number OB268004 would be a 1988 model.
i have a johnson seahorse outboard 20 hp motor model 20 ba serial number 26711 would like to know the year it is.
An 20 hp Mercury outboard, serial number 3143107, is a 1971 year model.
whats the model number
what is the year of a mercury 4 hp serial number 914805.4
A 20 hp Mercury outboard, serial number 5334211, would be a 1979 year model.
1977 according to SELOC manual
It was made in Canada in 1988.
1946
A 20 hp Mercury outboard, serial number OB152174, would be a 1987 year model.
Link to mercury outboards serial #s, 9.9 hp to 30 hp. http://www.themarinedoctor.com/cgi-bin/YaBB.pl?board=MM;action=display;num=1137539563