Mixing ratio should be 50:1
Most all models of Yamaha outboards can be operated on a 50:1 fuel to oil ratio.
The non oil injected model 60 hp Yamaha outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
Oil fuel ratio for z 1983 Yamaha IT should be listed on the oil bottle. The most common ratio is 50:1.
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.
oil ratio is 1% Pierre
The 1997 model, 6 hp Yamaha outboard, requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
32.1
Check with dealer
Depends on year. My 1986 believe it or not states 100/1 right on the motor.
the oil fuel ratio is 32 to 1 you should not change ratio even if you do enginge mods keep it the same
32:1
I believe Yamaha came out with oil injection. You do not mix the oil with the gasoline - the oil is in its own reservoir and mixes automatically.