500ml. It's stamped on the side of the engine.
Yamaha engines are oil injected, if it is a fresh engine, or injector not working use a 50 to 1 mix.
a quart and a half, approximately...
SAE 10-30 Oil .8L or .85 US Qt.
what is the oil gas mixture for a ysr50
20/50 w Yama oil is what i use
If not using oil injection, the 115 hp Yamaha outboard will require a 50:1 ratio.
50:1
20/50
20w/50
50:1
Oil fuel ratio for z 1983 Yamaha IT should be listed on the oil bottle. The most common ratio is 50:1.
The correct ratio for 1991 85hp Yamaha is 1:50. 1 liter of oil for 50 liters of fuel.