The 2009 RM85 is an entry-level motocross motorcycle designed for young riders and enthusiasts looking for a capable and reliable machine. As part of the renowned RM series, this model benefits from a rich heritage of motocross engineering, offering a potent liquid-cooled, 2-stroke engine with an 84.7 cc displacement, known for its brisk performance and durability. Its high-tensile steel perimeter frame provides a solid foundation for agile handling, while the hydraulic disc brakes ensure effective stopping power. The RM85 is built to withstand the rigors of off-road riding, embodying a commitment to quality and performance in the competitive motocross segment. This comprehensive English Service Repair Manual is your definitive guide to maintaining and repairing the 2009 RM85 (model code RM85K9). It covers all essential aspects of the vehicle, including complete engine repair and rebuild procedures, fuel and exhaust systems, cooling, electrical, drivetrain, suspension, brakes, wheels, tires, and steering. The manual provides detailed instructions for periodic maintenance, troubleshooting common issues, tuning, and component replacement, all supported by exploded diagrams and illustrations. Essential for both do-it-yourself enthusiasts and professional mechanics, this manual ensures the optimal performance, reliability, and longevity of your RM85.