Yes, Royal Enfield does produce motorcycles with parallel-twin engines. The company introduced its first parallel-twin engine in 2018 with the launch of the Royal Enfield Interceptor 650 and Continental GT 650 models. These motorcycles feature a 648cc parallel-twin engine that delivers a balanced combination of power, torque, and smoothness. The introduction of the Interceptor 650 and Continental GT 650 marked a significant departure from Royal Enfield's traditional lineup of single-cylinder engines and showcased their entry into the middleweight motorcycle segment.