HELP identifying motor

[Old Sea dog]

Hi there, I am trying to find a manual for my motor.
Heres the info that I found on it:

Mariner 45hp
Serial # A719293
Owners manual 37-13020

I am not a mechanic but I would like to know how to do maintenance on my motor.

Any help would be appreciated.

Thanks,

 

[Fun Times]

Hi there, I am trying to find a manual for my motor.
Heres the info that I found on it:

Mariner 45hp
Serial # A719293
Owners manual 37-13020

I am not a mechanic but I would like to know how to do maintenance on my motor.

Any help would be appreciated.

Thanks,

1987 MARINER 45 ELO Model number 7045717.

The service manual part number from Mercury marine is 90-861355 (4 cylinders)

And here's your parts for your engine.
http://www.mercruiserparts.com/selectDocs.asp?doc_nbr=16403