SteveB wrote:
The SN on my Merc 40 4 cyl 2 stroke is OC 186507. After some Googling, I
come up with 1989. Is that right?

1989 MERCURY 40 ELPTO

It's an in-line 4 cylinder

Mercury service manual 90-814676R1. Please do NOT buy an after market
manual - they are not worth the price and contain more misinformation
than truth.


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Regards,
Dave Brown
Brown's Marina Ltd
http://brownsmarina.com/