Confusion with year of yamaha

[Luke88]

I have recently purchased a 25 hp Yamaha, I can't figure out what year it is, I followed the model decoder chart. But isn't helping. I have a picture of the plate tho. Can anyone help. Thanks

 

[Barnacle_Bill]

That "N" in the lower left says its a 1984

 

[Luke88]

Oh, right! I didnt even see that N Thanks I was told it was a 1990 when I bought it. oh well it still runs good. Just need to replace the water impeller