Here are some comparisons of specs to help you choose between the two.    Engine: The Royal Enfield Classic 350 is equipped with an air-cooled engine, whilst the Jawa twins are equipped with a liquid-cooled engine. The liquid-cooled engine provides more efficient cooling on longer rides.   Power: The Royal Enfield Classic 350 is powered by a 346cc engine that produces 19.8 horsepower and 28 Nm of torque. The Jawa twins have a 293 cc engine with a higher power output of 27 horsepower. Jawa has more power, which allows it to accelerate faster and be more fast and responsive on the road.  Kerb Weight: The kerb weight of the Royal Enfield classic 350 is 192 kg, whereas the kerb weight of the Jawa is 170 kg. Reduced kerb weight and increased power output definitely make Jawa a better performer.  Fuel System: Royal Enfield Classic 350 utilizes the typical carburetor-based fuel delivery system. Jawa, on the other hand, has a more advanced fuel-injection system.  Gear Box: The Royal Enfield Classic 350 features a 5-speed transmission, while the Jawa has a 6-speed transmission. The extra sixth gear makes long-distance rides effortless, allowing for smooth rides even at speeds above 100 km/h.  Brake System: The Royal Enfield has a better braking system with dual-channel ABS. The Jawa simply has a single-channeled ABS on the front wheel.