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.
50:1
A 175hp Mercury outboard requires a 50:1 fuel to oil ratio.
it's 50:1
50/1
mix 50:1
50 to 1
As far as I know is 50:1.
50:1
it is recommended for all fuel oil mix to be 50:1
The 20 hp Mercury outboard requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
Merc's use a 50:1 mix
The 1976 year model, (ser.#4420321), 4.5hp Mercury outboard, requires a 50:1 fuel, to 2 cycle oil ratio. Mixing one pint of oil, to six gallons of fuel, will be a good mix.