This comprehensive service and repair manual provides detailed instructions and technical information for the 2010-2012 KTM 450 SX ATV and 505 SX ATV models. It covers every aspect of maintenance and repair, from basic lubrication and routine checks to complex engine overhauls and electrical system troubleshooting. The manual is packed with high-quality diagrams, illustrations, and step-by-step procedures, making it easy for both experienced mechanics and DIY enthusiasts to tackle any repair job with confidence. You'll find detailed information on: * **General Information**: Understanding the ATV's design and operation. * **Frame, Body Panels, and Exhaust System**: Repair and maintenance procedures for these essential components. * **Maintenance**: Routine maintenance schedules and instructions. * **Lubrication**: Proper lubrication techniques and fluid specifications. * **Fuel System**: Diagnosis and repair of fuel-related issues. * **Engine Removal and Installation**: Step-by-step instructions for engine removal and reinstallation. * **Cylinder Head and Valve**: Detailed instructions for inspecting, adjusting, and repairing the cylinder head and valve system. * **Cylinder and Piston**: Detailed procedures for inspecting, replacing, and servicing the cylinder and piston. * **Clutch and Gearshift Linkage**: Repair and adjustment information for the clutch and transmission system. * **Alternator Clutch**: Maintenance and repair of the alternator clutch. * **Crankcase, Transmission, and Crankshaft**: Overhaul information and repair procedures for these critical engine components. * **Front Wheel, Suspension, and Steering**: In-depth coverage of the front suspension, steering components, and wheel maintenance. * **Rear Wheel, Suspension, and Steering**: Repair and maintenance for the rear suspension, steering system, and wheel components. * **Brake System**: Detailed instructions for inspecting, adjusting, and repairing both front and rear brake systems. * **Front Driving Mechanism**: Repair and maintenance of the front drive system. * **Rear Driving Mechanism**: Detailed information on the rear drive system, including repair procedures. * **Battery, Charging System**: Troubleshooting, maintenance, and repair information for the battery and charging system. * **Ignition System**: Detailed information for troubleshooting and repairing the ignition system. * **Electric Starter**: Repair and maintenance instructions for the electric starter system. * **Lights, Meters, and Switches**: Maintenance and repair procedures for the lighting, instrument panel, and switch components. * **Electric Shift Program**: Information on the electric shift program, including programming and troubleshooting. * **Wiring Diagrams**: Detailed wiring diagrams for the ATV, making electrical troubleshooting easier. * **Technical Features**: Detailed specifications and technical data for the 2010-2012 KTM 450 SX ATV and 505 SX ATV. * **Troubleshooting**: A comprehensive guide for diagnosing and resolving common problems. * **Index**: An easy-to-use index for quickly finding specific information.

The KTM 450 SX and 505 SX ATVs, produced from 2010 to 2012, were high-performance off-road machines designed for competitive racing. Both models were fueled by a powerful, single-cylinder, four-stroke engine, renowned for its robust construction and impressive power output. The 450 SX boasted a 449.9cc displacement, while the 505 SX offered a slightly larger 505cc displacement, delivering even more raw power. Both engines were mated to a durable six-speed transmission, providing riders with the flexibility to tackle various terrain. The chassis featured a lightweight, high-strength steel frame, combined with adjustable suspension components for optimal handling and control on the track. The KTM 450 SX and 505 SX ATVs were equipped with top-of-the-line components such as Brembo brakes, providing exceptional stopping power, and high-performance tires, offering excellent traction and stability in demanding conditions. These ATVs were developed specifically for serious off-road enthusiasts and professional racers. The combination of powerful engines, robust construction, and advanced suspension technology enabled riders to push the limits on the track. The KTM 450 SX and 505 SX ATVs were highly competitive in motocross and other off-road disciplines, earning respect from both riders and spectators alike. Their reputation for high-performance and reliability cemented their position as top contenders in the off-road racing scene. However, like all high-performance machines, proper maintenance and service are crucial to ensure optimal performance and longevity. Fortunately, a comprehensive service repair workshop manual provides detailed instructions and technical specifications covering every aspect of these ATVs, aiding owners in performing routine maintenance, addressing potential issues, and maximizing their machines' performance.