The 510TC, 510TE, and 510TX models from 1989 represent a significant offering in the off-road motorcycle segment. As a Swedish brand with a rich heritage in performance motorcycles, these versatile machines were delivered for competition, enduro, and cross-country riding. These motorcycles, powered by approximately 510cc single-cylinder, four-stroke engines, were engineered for durability and performance, reflecting the brand's dedication to off-road excellence. Their robust construction and focus on rider capability made them a choice for enthusiasts seeking reliable and capable machines for demanding terrain. This comprehensive service and repair manual is designed to assist owners and technicians in maintaining and repairing the 510 series motorcycles. It provides detailed information covering engine systems, drivetrain, chassis, and electrical systems, including complete tear-down and rebuild procedures, periodic checks, adjustments, and troubleshooting guidance. With hundreds of illustrations, diagrams, torque specifications, and step-by-step instructions, this manual is an invaluable resource for performing everything from basic maintenance to complete restoration, ensuring the longevity and optimal performance of your motorcycle.