Yamaha Banshee Manuel Du Propriétaire page 112

EBU00132
Engine mixing oil
Recommended oil:
Yamalube "R"
(Yamalube Racing 2-cycle oil)
Mixing ratio: 24:1
If Yamalube "R" oil is not available, select an oil
from the following list.
Recommended oil
Castrol R30
A545
A747
cC
Never mix two types of oil in the same batch.
Always use the same type of oil to ensure
maximum engine performance.
5-15
Mixing ratio
20:1