Do you happen to know what country is the engine from as 0Y serial number isn't a typical number recognized online at least for us in the U.S.A..
Being the engine seems newer and isn't from the US as nothing seems to be coming up under any of the usual search's, Usually you can sometimes find a date of manufacture somewhere on one of the engine components sometimes like the sticker you found with the serial number or even on the engine starter, etc. that may help indicate the year.
Outside of that using the model number J020201CD seems to suggest the engine may be a 2004 model year as it's been mentioned elsewhere online such as the following, SOLVED: I have a mariner 25 hp 2004 model j020201cd.What ...
http://www.fixya.com/cars/t8618972-mariner_25 But it's only a guess.
What does the local Mercury dealers suggest to do for finding parts and service for that serial number?
