The horsepower (HP) of a 1000cc motorcycle can vary depending on several factors, including the make, model, and specific tuning of the engine. Motorcycles with a 1000cc engine displacement typically fall into the sportbike category, and their horsepower can range from around 150 HP to well over 200 HP for high-performance models. However, it's important to note that the horsepower alone doesn't provide a complete picture of a motorcycle's performance, as factors such as torque, weight, aerodynamics, and gearing also play a significant role.