The minimum age for riding a 1000cc motorcycle in the United States can vary depending on the state and specific licensing requirements. In most states, the minimum age to operate a motorcycle with a 1000cc engine or any other size of motorcycle is typically 16 or 18 years old.
Some states may have additional restrictions for riders under a certain age or for motorcycles with a higher engine displacement. It's crucial to consult the Department of Motor Vehicles (DMV) or the relevant licensing authority in your state to get accurate and up-to-date information regarding motorcycle licensing requirements, including age restrictions, for operating a 1000cc motorcycle.