The proper oil fuel mix is 50/1 1 liter of 2 stroke oil for every 50 liters of fuel petrol
or 20 ml oil per liter fuel
An 1985 model, 25 hp Mercury outboard requires a 50:1 fuel, to 2 cycle oil ratio.
70 horse 1985 mercury outboard
The dry weight of a 1985 model, 25hp Mercury outboard is 105 lbs.
The dry weight of a 1985 model, 40 hp Mercury outboard is 152 lbs.
A 35hp Mercury outboard, serial number A184641, 1985 year model.
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1985
The dry weight of an 1985 model, 75 hp Mercury outboard is 265 lbs
A 35 hp Mercury outboard, serial number A152966, would be a 1985 year model.
The dry weight of an 1985 model, 75 hp Mercury outboard is 265 lbs.
1985 ish
A 7.5 hp Mercury outboard, serial number 7193904, would be a 1985 year model.