This manual covers the Cagiva T4 500 R-E, a dual-sport motorcycle produced approximately from the late 1980s to the early 1990s. Known for its Italian engineering and suitability for adventure touring, the T4 500 R-E typically features a single-cylinder, four-stroke engine with around 478cc displacement, air cooling, and a manual transmission. This model represents a robust option for riders seeking a capable machine for varied terrain, built with the reliability characteristic of its era. This comprehensive workshop manual provides complete repair and service information for the Cagiva T4 500 R-E. It details engine disassembly, overhauling, and re-assembly, along with lubrication circuits, chassis systems including frame, suspensions, and brakes, and the electrical system. The manual includes scheduled maintenance, adjustments, troubleshooting guides, specific tool requirements, and detailed torque specifications, making it an essential resource for owners, DIY mechanics, and professional repair shops to maintain and restore the vehicle.