40:1 ratio
The 1998 model, 40 hp Mercury Force outboard requires a 50:1 ratio, one pint of 2 cycle oil to six gallons of fuel.
50:1
50/1
40:1
The fuel mixture for a Yamaha 40 hp 2 stroke outboard engine is 50:1, gas, oil mixture. You should use new gas when you get the engine ready for the season.
87 octane oil mixture of 40:1
The 2 cycle 40 hp Mercury outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The dry weight of a 1985 model, 40 hp Mercury outboard is 152 lbs.
How much oil do I use per gallon of gas for a 40 HP Johnson motor
A 40 hp Mercury outboard, serial number 7032376, would be a 1974 year model.
An 40 hp Mercury outboard, serial number 7197998 would be a 1983 year model.