93 octane or higher.
From Victor's Shop, I usually use GN4 motorcycle oil 10W40
the kind at the pump, liquid perhaps...
yamalube 10W-30
2 cycle.... since it a 2 stroke
fram 6017A stp SDF13
10w 40...yamalube is the best suggestion
Go to saabnet.com. Answers there.
Dot-4
plain 2 cycle oil
Yamaha
mobil 1 0w40
Yamalube. You need an oil without friction modifiers in it, to ensure safe operation of the wet clutches.