Hi folks. Was wondering if the 85ish model 4 and 5 hp Mariners shared the same block/lower units? I own a 85 4hp Mariner. I saw a mid 80s Mariner 5hp less lower unit go for cheap on E-Bay last year and would have picked it up for parts it if I'd have known that it was compatible with what I've got. They look the same. River Boy
