This manual covers the Jawa 250/350 Series, specifically models 353 and 354. These iconic Czechoslovakian motorcycles, produced from the late 1950s through the early 1960s, are celebrated for their robust construction and dependable performance. Known for their 2-stroke, single-cylinder engines and 4-speed manual transmissions, Jawa motorcycles offered a practical and accessible mode of transport, earning them widespread recognition for durability and affordability in global markets. This comprehensive Service Repair Workshop Manual provides detailed information for owners, mechanics, and restoration enthusiasts. It covers all major repair topics from A-Z, including in-depth procedures for engine and clutch, transmission, cooling, fuel and exhaust, ignition and electrical systems, brakes, wheels, tires, steering, suspension, and frame/bodywork. The manual includes troubleshooting guides, wiring diagrams, and numerous high-quality pictures and diagrams, offering professional-quality information to ensure proper maintenance and repair.