The oil-to-gas ratio for a Yamaha 115 hp outboard engine typically requires a 50:1 mixture, which means you should mix 2.6 ounces of two-stroke oil per gallon of gasoline. Always refer to the owner's manual for specific recommendations, as the ratio can vary based on engine model and year. Additionally, using high-quality oil designed for marine two-stroke engines is essential for optimal performance and longevity.
If not using oil injection, the 115 hp Yamaha outboard will require a 50:1 ratio.
50.1
The 1997 model, 6 hp Yamaha outboard, requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The 1982 model, 115 hp Johnson outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
The 1992 model, 25 hp Yamaha outboard requires a 50:1 ratio. One pint of 2 cycle oil, to six gallons of fuel.
What is proper oil to gas ratio for a 1998 50hp Evenrude outboard
Older models often have 1:50 ratio. Never have 1:100 This information should be on a sticker on the block or under the "hood"
100:1 Sais so on the manual. Be careful, other outboard motors use 50:1.
If not equipped with oil injection, a 50:1 ratio is required. This is roughly one pint of 2 cycle oil, to six gallons of fuel.
The 1979 model, 115 hp Johnson outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
A 175hp Mercury outboard requires a 50:1 fuel to oil ratio.
50:1 ratio