Being a 2003 Johnson, I will assume it is a 2 stroke engine, in which case the weight is 79 pounds.
The dry weight of a 30hp Johnson outboard, 1985 model is 123 lbs.
The dry weight of a 1999 model, 70 hp Johnson outboard is 250 lbs.
The dry weight of the 1991 model, Johnson 150hp outboard is 384 lbs.
The 1993 model, 200hp Johnson outboard, has a dry weight of 448 - 453lbs, depending on the particular model.
The dry weight of a 1984 model, 15 hp Johnson outboard is listed at 78 lbs.
The listed dry weight for a 1995 model, 50 hp Johnson outboard is 190 lbs.
The dry weight of a 1998 model, 15 hp Johnson outboard is 74 - 114 lbs, depending on the particular model in question.
The dry weight of a 1979 70hp Johnson outboard is 240 to 256lbs. depending on the model.
The dry weight of a 1982 model, 70 hp Johnson outboard is 256 lbs.
The dry weight of a 1986 model, 28 hp Johnson outboard is 118 lbs.
The listed dry weight for a 1986 model, 90 hp Johnson outboard is 288-305 lbs, depending on the particular model.
The dry weight of a 1984 model, 120 hp Johnson is 370 lbs.