The 2011 Arctic Cat 366 SE is a capable All-Terrain Vehicle (ATV) designed for a variety of off-road applications. Built by Arctic Cat, a manufacturer known for its performance-oriented snowmobiles and ATVs, this model offers a balance of power and maneuverability. It features a 366cc, single-cylinder, liquid-cooled, 4-stroke engine, likely producing around 20-25 horsepower, with a focus on delivering low-end torque suitable for trail riding and utility tasks. The vehicle is equipped with a Continuously Variable Transmission (CVT) and selectable 2WD/4WD drive modes, enhancing its versatility in challenging terrain. Its design prioritizes rider comfort and control, with hydraulic disc brakes for reliable stopping power and essential lighting for visibility. This comprehensive Factory Service Repair Workshop Manual, written in English, provides in-depth guidance for the 2011 Arctic Cat 366 SE ATV. It covers all major systems, including detailed procedures for engine overhaul, transmission service, drivetrain maintenance, suspension adjustments, brake system repair, and electrical diagnostics. The manual includes routine maintenance schedules, troubleshooting guides, step-by-step repair instructions, and complete disassembly/reassembly procedures. With hundreds of detailed illustrations and critical technical specifications such as torque values and fluid capacities, this manual is an essential resource for owners and professional technicians alike, enabling efficient maintenance and repair to keep the vehicle in optimal working condition.