It depends the motor.
it is origanal oil
30 weight
5w30
you should but a couple corts of royal purple motor oil
motor oil
Assuming you are speaking of engine / motor oil should specify on the oil filler cap, should be 5W 30
Any kind of name brand 10w-30 oil should work just fine.
Full Synthetic 5w-30
Mobil 1 synthetic.
should be like 80 or 90 weight gear oil
5w-30 full synthetic