Is there a site I can go to to find out which 7.4 motor I have in my boat?? I have been told there is a site that I can go to and put in the S/N to find out which one that it is.

might try this. if the info isnt there you can call and find out. they will want the engine serial number.

http://www.mercurypartsexpress.com/P...epage.asp?CID=

Thanks for the info!!! It gives me the model no., but not any more info.