The mixture ratio for Yamaha outboards is 50:1 gas/two stroke oil. That is approximately one pint of gasoline to a plastic coke bottle cap full of two stroke oil.
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.
Premium gasoline
100:1
Sure
Yes !
The oil-fuel mixture ratio for a 1978 Yamaha 3.5 hp outboard is typically 50:1. This means you should mix 2.5 ounces of two-stroke oil with one gallon of gasoline. Always ensure to use a quality oil designed for air-cooled two-stroke engines for optimal performance and engine longevity.
50:1
For a 25hp Yamaha outboard, the recommended fuel mixture is typically a 50:1 ratio of gasoline to 2-stroke oil. This means using 2.6 ounces of 2-stroke oil per gallon of gasoline. Always refer to the owner's manual for specific recommendations, as they may vary by model and year. Additionally, using high-quality fuel and oil can help ensure optimal performance and longevity of the engine.
it is oil injected
50/1
The fuel mixture for a 75 hp Yamaha 2-stroke outboard motor typically requires a 50:1 ratio of gasoline to oil. This means you should mix 2.5 ounces of 2-stroke oil for every gallon of gasoline. It's important to use high-quality, marine-grade 2-stroke oil to ensure optimal performance and engine longevity. Always refer to the owner's manual for specific recommendations related to your model.
A non oil injected, 1990 model, 2 stroke Yamaha outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.