I have the same motor bought it new 1975. I use Quicksilver Merc. 2cycle oil.
16oz. per 6 Gals. gas.
1 qt to 12 gallon of fuel
You may use any quality TCW3 rated, 2 cycle oil.
50:1
An 85 hp Mercury outboard, serial number 4294803 is from back in 1975.
32 to1
50/1
32/1
40:1, I run Maxima 2-stroke oil and that works awesome
The 1975 model, 85 hp Johnson outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
E85 is manufacture by the petroleum (oil) industry by combine standard 85 octane gasoline with ethanol alcohol. The mixture for E85 is approximately 85% Ethanol Alcohol and 15% standard 85 octane gasoline.
no
All the Origin motors have a Petrol/gas:oil ration of 50:1 That is 1litre of oil to 50 litres of Petrol