I found the best mix for Banshee's is 32/1 use good race oil though or you will fight the plugs .....
Crankcase oil, gas needs to be premixed
50ml of oil to every litre of petrol
Around 32:1 depending on the quality of the oil.
it should be 24:1 if your using yamalube 2 stroke oil
no oil filter
32:1 gas to oil mixture
If the banshee hasn't been bored or altered then there is one ratio mix. The gas to oil ratio mix should be 40 to 1 .
If not using oil injection, the 115 hp Yamaha outboard will require a 50:1 ratio.
For a Yamaha Banshee, the typical oil-to-gas ratio is 32:1, which means you would mix 4 ounces of oil for every gallon of gas. This translates to using 16 ounces of oil for 4 gallons of gas. It's important to use high-quality 2-stroke oil to ensure proper engine performance and longevity. Always consult your owner's manual for specific recommendations.
30 liters of gas to 1 liter of oil
20:1
It should be oil injected with a separate oil resivoir.