What type of oil would i use in a Honda XR 75?

I just bought an XR 75 Honda motorcycle and it had no oil in it, so i don't know what type i should use.What type of oil would i use in a Honda XR 75?motorcycle 4 stroke oil, or Shell Rotilla 15W40What type of oil would i use in a Honda XR 75?Does it have cracked seals on the engine too?What type of oil would i use in a Honda XR 75?Honda's don't use oil. just run at a high idle and have funWhat type of oil would i use in a Honda XR 75?
The same kind of motor oil you use in a car.

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