I think he misspoke. That looks like a production BB5000 which essentially was the BB3K with 5 strings (hence the tight string spacing) and a 5 string pup set.
Footloose and the production model BB5000 bass were both introduced in 1984 and what he is playing looks like the first mark (passive bass with V,T and 3 way selector switch).
This wouldn’t be the first time an artist misspoke about a model they played. For example, in interviews, John Taylor has called his flagship Aria pro II SB1000 an SB600, an SB1200 and an SB700.
Anyway, Yamaha makes great stuff. So did Aria. Would be curious to try the new reissues which are finally proper reissues of the Matsumoku era models.