Boat Motor Parts Where Can I Buy Parts For My BOAT Motor?

Where can I buy Parts for my BOAT motor? - boat motor parts

I have a speedboat in 1970 or 1972 Evenrude 25 hp and I need to find a role for them. Where can I find the right parts for this engine?
And for all purposes intelligent do not know the exact year, because my grandfather would not let me go too. I try this ship before it happens, if he knows he is in good hands again .. Any help is greatly appreciated.