50:1
The 850 model, 85 hp Mercury outboard, is a 2 stroke engine requiring a 50:1 fuel to oil ratio.
The 2 stroke, 25 hp Mercury outboard requires a 50:1 ratio, this is roughly one pint of 2 cycle oil, to six gallons of fuel.
The 4.5 HP Mercury Outboard requires 50 to 1 fuel, to 2 cycle oil ratio. A mix of six gallons of gallons of fuel to one pint of oil is a good mix for the Outboard.
The 1996 model, 9.9 hp Mercury outboard requires a 50:1 ratio, one pint of 2 cycle oil to six gallons of fuel.
From the oil you mix in with the gas
Its 4 stroke so 100:0
NO! definitely a 2 stroke and requires oil in gas.
whereiscrank case oil drain plug on 1998 mercury 9.9 4 stroke
yes it has one
50:1
5w-30
Yes. Use same mix ratio.