Serial numbers...

[CSD23]

Just picked up a 4 hp merc with serial numbers 9312353 and was wondering where to plug those in to find info on it?

[HStream1]

Appears to be a 1978 model year.

http://www.marineengine.com/assets/mercury_serial_number.jpg

http://www.marineengine.com/mfr/mercury_models.gif

[CSD23]

Thank you!