This manual covers the 125 Duke and 200 Duke models from 2004. Known for their agile handling and performance-oriented design, these naked sportbikes represent a commitment to delivering exciting and capable street motorcycles. The Duke series, originating from a strong off-road heritage and racing prowess, offers a distinctive riding experience characterized by minimalist styling and potent single-cylinder, four-stroke engines. These liquid-cooled engines, available in approximately 125cc and 200cc displacements, are paired with a 6-speed transmission and a wet multi-disc clutch, providing an engaging and responsive ride for both urban commuting and spirited excursions.

This comprehensive parts manual serves as an indispensable resource for owners and technicians alike, focusing on the engine and its directly associated components. It provides detailed exploded diagrams, OEM part numbers, and visual references crucial for accurate part identification, disassembly, and reassembly. By facilitating the correct sourcing of replacement parts for critical engine systems such as the cylinder, piston, crankshaft, valves, lubrication, and cooling, this manual is essential for maintaining the integrity and performance of your 125 Duke or 200 Duke. The English-language digital format ensures accessibility and efficient use for all repair and maintenance needs.