I use a 50:1 mixture in my 9.9 Johnson
50:1
If not using the VRO system, use a ratio of 50:1, roughly one pint of 2 cycle oil, to six gallons of fuel.
what is the oil/fuel mixture for 1975 15hp johnson
A Johnson 48 special, 1989 year model, requires a 50:1 fuel to 2 cycle oil mix. This is roughly one pint of 2 cycle oil, to six gallons of fuel.
more than likely 50 to 1
The 1975 model, 9.9 hp Johnson outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
Johnson and Evinrude outboards manufactured prior to 1965, require a 24:1 ratio. This ratio works out to 5-6 oz. of 2 cycle oil per gallon of fuel.
The 1972 model, 125hp Johnson, requires a 50:1 fuel, to 2 cycle oil ratio. This is roughly one pint of oil, to six gallons of fuel.
The 1970 model, 9.9hp Johnson outboard requires a 50:1 fuel to oil ratio. This is roughly, one pint of 2 cycle oil, to six gallons of fuel.
50:1 is used by most OMC 2 cycle outboards.
The fuel to oil ratio for a 1988 model, 8hp Johnson outboard, would be 50:1, six gallons of fuel, to one pint of two cycle oil.
The 1996 model, 6 hp Johnson outboard, requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.