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50:1
model # is year made last two didgets
A 65 hp Mercury outboard, serial number 3149254, is a 1971 year model.
1 pint of oil to 6 gallons of gas, or 50 to one. Same thing
50:1
My 75 Johnson is 50:1. If you use a synthetic oil you won't need to worry about it and no more smoke from too much oil
All of the 65 hp, 4 cylinder Mercury outboards from the past, were of the 2 stroke variety and require a 50:1 fuel to oil mix. Add one pint of 2 cycle oil, to six gallons of fuel.
The recommended fuel/oil ratio for a 1972 model 65hp mercury is 50:1, roughly six gallons of fuel to one pint of2 cycle oil.
About 60 years old. Hitler invented it in the late 1940's to use in a sawchain to cut up trees. Since he was low on gas, he figured tree sap could do the trick. He didnt realize that the engines caramelated. What an idiot that guy was.
Almost positive it's 50:1 Have a 650 65hp Merc and that's what it is.
The maximum speed of the 1976 Fiat 131 4cyl 65hp is 78 mph.
65hp