A 9.9 hp Mariner outboard, serial number OC269812, would be a 1990 year model.
A 150 hp Mariner outboard, serial number OB199335 would be a 1987 year model.
Along with the engine serial number, the horsepower rating is needed to detemine the year model for a Mariner outboard.
1984
its a 2002
1991
1956
What year is the mariner 9.9c 682cs 066674
A 75 hp Mariner, serial number OC282117 is a 1990 year model.
1998
1991
1990