I have a 1983 Mercury 80hp outboard I just bought. What is the fuel to oil mixing ratio?

I just need to know what the ratio is. 50:1 25:1 or what!I have a 1983 Mercury 80hp outboard I just bought. What is the fuel to oil mixing ratio?
both are correct... and if you add too much oil to the mix eventually you will have some major carbon build up around the exhaust ports that will need to be r%26amp;r'dI have a 1983 Mercury 80hp outboard I just bought. What is the fuel to oil mixing ratio?
First guy is correct! Don't add more on the side


of caution. Just look around at all the people driving boats that require you to add oil. The bulk of them are driving motors with lots of blue smoke shooting out of them identifying them as


folks who've added to much oil.
Correct ratio for that model is 50:1.





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