Mercury Classic 50 45 hp year identification

[Ryanm112]

I recently purchased classic 50 45hp motor and I’m trying to figure out what year it is. The serial number plaque is long gone I found the stamp on the engine and the number is s/n 6421111 I was hoping someone can tell me what year it is.

 

[Fun Times]

The model number for your serial number is 1050553 which helps show your engine year to be from 1983..,,Here’s a parts catalog for this engine model, https://www.crowleymarine.com/mercury-outboard/275.cfm?mdl=YM1UIT&q=1050553#engine_info