What year , hp is my motor

[duckhunter55]

I just acquired a bass tracker with a mercury motor. THe boat is a 1987. but the motor has no date. The serial # is OB100303, on the side of the leg it says classic fifty. Doesn't this mean its a 50hp? It is also a 4 cylinder. THanks in advance!

 

[steelespike]

Re: What year , hp is my motor

It appears last year Merc made a 4 cyl. 50 is in 85 Did do a 4 45hp 86to?they did a 3 cyl 50 86-to?