The Ducati Monster is a popular line of motorcycles manufactured by Ducati. The engine used in the Ducati Monster varies depending on the specific model and year of production. However, historically, the Monster series has been known for utilizing Ducati's signature L-twin engine configuration.
The L-twin engine, also known as a 90-degree V-twin, is a two-cylinder engine where the cylinders are arranged in a "V" shape with a 90-degree angle between them. This configuration offers several advantages, including compact size, good power delivery, and a unique sound characteristic to Ducati motorcycles.
The specific displacement, power output, and other technical details of the engine can vary between different models and generations of the Ducati Monster. Therefore, it's recommended to check the specifications of the particular Monster model you're interested in to obtain the most accurate information about its engine configuration.