Johnson Seahorse 15 -Year?

[Mjbb1951]

Hi
Can somebody please interpret the model number of my outboard:, I cannot make it out from the guidance info.

Model - J15EC0B
Serial - E6057555

Thanks

[Rebel Sympathy]

1985.

Introduces:

I = 1
n = 2
t = 3
r = 4
0 = 5
d = 6
u = 7
c = 8
e = 9
s = 0

c0 = 85