This comprehensive service manual provides detailed instructions and specifications for the KTM 520-525 SX models produced from 2000 to 2006. It covers all aspects of maintenance and repair, from basic servicing to complex engine rebuilds. You'll find in-depth information on electrical systems, top and bottom end engine components, service limits, specifications, and much more. This manual is an essential resource for any owner or mechanic looking to maintain or repair their KTM 520-525 SX motorcycle.

The KTM 520 SX and 525 SX motorcycles, produced from 2000 to 2006, were renowned off-road machines designed for serious motocross and enduro racing. These powerful and agile bikes were known for their exceptional handling, competitive performance, and durable construction. The 520 SX, with its 510cc engine, was a popular choice for riders seeking a balance of power and agility, while the 525 SX, boasting a larger 525cc engine, offered even more raw power for high-speed racing. Both models featured a lightweight chromoly steel frame and swingarm, providing a sturdy foundation for the bike's impressive handling and control. The WP suspension, with its adjustable settings, allowed riders to fine-tune the bike's performance to their specific needs and track conditions. Both the 520 SX and 525 SX featured a powerful, four-stroke, single-cylinder engine that delivered impressive power throughout the rev range. The engine's robust design and reliable performance made it a favorite among seasoned racers. The motorcycles were also equipped with a six-speed transmission, offering a wide range of gears for tackling diverse terrain and maximizing power delivery. These bikes were known for their aggressive styling, with distinctive orange and white color schemes, as well as their high-quality components, including Brembo brakes, Renthal handlebars, and Michelin tires. The KTM 520 SX and 525 SX were true off-road weapons, favored by top riders and enthusiasts alike for their combination of power, handling, and durability. Their legacy continues to inspire modern motocross and enduro motorcycles, solidifying KTM's reputation as a leading manufacturer in the off-road industry.