The 1987 Cagiva T4-350 R-E is a dual-sport motorcycle renowned for its robust Italian engineering and off-road prowess. As part of Cagiva's esteemed T-series, this model embodies the brand's heritage in producing capable and reliable machines for diverse riding conditions. Featuring a single-cylinder, four-stroke, air-cooled engine with approximately 350cc displacement and a 5-speed manual transmission, the T4-350 R-E offers a balanced blend of performance and durability, making it a capable choice for both on-road commuting and adventurous trail riding. Its design emphasizes practicality and a direct connection to the riding experience, characteristic of motorcycles from its era. This comprehensive English-language service manual provides detailed repair and maintenance procedures for the 1987 Cagiva T4-350 R-E. It covers all major systems, including the engine, transmission, electrical system, fuel system, suspension, and brakes, with specific guidance on diagnosis, troubleshooting, and component repair. The manual includes step-by-step instructions, critical notes, cautions, warnings, and detailed illustrations to assist owners, mechanics, and technicians. Its scope extends to full vehicle restoration, offering the depth of information typically found in factory service manuals, enabling thorough upkeep and repair for this classic dual-sport motorcycle.