any lamp oil.
You should use 10W 30 of any good quality oil.
It depends the motor.
4 stoke engine oil
You use 10W-30 from any good oil brand.
it is origanal oil
You should use Polaris ps-4 synthetic oil for year round use. l
GM tends to recommend 5W-30 oil.
You need synthetic oil
i have the same model and i use 5w30....its typical
I use 10W-30