I have the same motor. The proper mixture is 50:1, 6 gallons of gas to 16 oz of oil.
it,s a 1988 mercury 50 hp motro
The dry weight of a 1988 model, 115 hp Mercury outboard is 312 lbs.
The listed dry weight for a 1988 model, 70 hp Mercury outboard is 265 lbs.
The dry weight for a 1988 model, 20 hp Mercury outboard is 105 lbs.
Should be on the transom bracket facing the motor on starboard side
A 9.9 hp Mercury outboard, serial number OB235459 is a 1988 model.
A 1988 model, 85 hp Force outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
108 lbs.
dry weight is 188lbs.
A 20 hp Mercury outboard, serial number OB268004 would be a 1988 model.
A 25 hp Mercury, serial number OB283551, is a 1988 year model outboard.
A 15 hp Mercury outboard, serial number OB31814B, would be a 1988 year model.