I just drug out of storage a jon boat and a Mercury engine..is there a way of knowing the year of the engine ? its been stored for 15 years and was bought used then. I was planning on putting it all out in a garage sale...I don't know a thing about it as it was my sons a long time ago. Also the prop looks like its seen a better day and I don't know how to look that up for a new one as I don't see anything for a 3.6. Not a clue what I am doing.............. Claudia