The 2011 Arctic Cat 366 SE is a robust utility All-Terrain Vehicle (ATV) engineered for demanding work and recreational riding. Known for its reliability, capable performance, and comfortable ride, this model offers excellent value within its segment, competing with other major manufacturers. Its design emphasizes practicality and durability, making it a dependable choice for various terrains and tasks, from farm work to trail exploration. The 366 SE features a 4-stroke SOHC liquid-cooled 366 cc engine, providing consistent power for towing and hauling, complemented by a selectable 2WD/4WD drivetrain with high/low range for versatile operation. This comprehensive service manual serves as an essential resource for maintaining and repairing your 2011 Arctic Cat 366 SE. It covers all critical aspects, including detailed procedures for engine overhaul, transmission service, drivetrain maintenance, suspension and steering system repairs, brake system servicing, and electrical system diagnostics. The manual also includes guidance on scheduled maintenance, troubleshooting common issues, and disassembly/assembly instructions for various components. Designed for mechanics, factory-trained technicians, and experienced owners, this guide provides the in-depth technical knowledge required to ensure the optimal performance and longevity of your ATV.