This manual covers the motorcycle series, produced from the late 1960s to the mid-1970s. , a Spanish manufacturer renowned for its lightweight and agile motorcycles, introduced the Stiletto to offer distinctive styling and responsive performance. Available in 175cc and 250cc variants, these two-stroke, air-cooled machines were celebrated for their handling and contributed to the brand's racing heritage. This factory service repair workshop manual provides comprehensive information for owners, mechanics, and restoration specialists. This extensive manual offers full service, repair, and troubleshooting guidance for the Stiletto models. It details engine assembly, disassembly, and tuning, including lubrication, cooling, fuel delivery, and ignition systems. Coverage extends to the 5-speed gearbox, clutch system, chassis components like the frame and suspension, braking mechanisms, and electrical systems, complete with wiring diagrams. The manual also includes procedures for routine maintenance, major repairs, component overhaul, and calibration, ensuring owners can effectively maintain and restore their vintage motorcycles.