Help with mariner motor year

[amuddin2003]

I bought a used boat, with a Mariner motor on it. The number are 40ELO 6E9 L 425245. I have checked the freeze plug and the number is the same. It has Oil Injection and twin carbs. I just need to know what year it is.
Thanks,
Ac

 

[amuddin2003]

Picture of Motor.

 

[bilge rat jim]

1986.