This manual covers the T4-500 E, a dual-sport motorcycle produced in 1987. Known for its robust construction and versatility, the T4-500 E was designed to offer reliable performance both on paved roads and off-road trails. Leveraging an engine likely derived from the Rotax 504 cc unit, this Italian-made machine was engineered for durability and capability, making it a capable companion for adventure riding and everyday use. Its design emphasized a balance of power and handling, characteristic of offerings during that era, which were often praised for their spirited performance and off-road prowess. This comprehensive workshop service manual provides detailed information for the mechanical repair, maintenance, and diagnostics of the 1987 T4-500 E. It covers all essential systems, including the engine, transmission, electrical components, and chassis, with in-depth procedures for overhaul, routine maintenance, and troubleshooting. The manual is intended for professional motorcycle technicians and experienced do-it-yourself mechanics, offering step-by-step instructions and diagnostic guidance to ensure the vehicle is maintained to the highest standards. With hundreds of pages of detailed content, this English-language manual is an invaluable resource for preserving the performance and longevity of your T4-500 E.