The horsepower (hp) produced by a 1000cc engine can vary significantly depending on factors such as the engine's design, tuning, and the specific motorcycle or vehicle it is installed in. Generally speaking, a modern 1000cc engine found in sportbikes or superbikes can produce anywhere from 150 to over 200 horsepower.
It's important to note that the engine size alone, measured in cubic centimeters (cc), is not a direct indicator of the horsepower output. Other factors such as the engine's compression ratio, fueling system, intake and exhaust design, and overall engineering play a significant role in determining the horsepower generated.
If you are referring to a specific motorcycle or engine model, it would be helpful to provide more information so that a more accurate estimation of horsepower can be provided.