Length of time between oil changes??????????????????????????

Hola, peoples its been awhile since ive posted anything,
Ive got 2800 miles on my bike, i have had one oil change at 600 miles, what is the normal mile intervel between changes???? ALso can any one recommend a better oil than Volsynthese. Or a more common oil and viscosity numbers??????????????
Ive got 2800 miles on my bike, i have had one oil change at 600 miles, what is the normal mile intervel between changes???? ALso can any one recommend a better oil than Volsynthese. Or a more common oil and viscosity numbers??????????????