The Polaris Sportsman 550, produced between 2012 and 2013, represents a robust and versatile all-terrain vehicle built on the Next Generation Sportsman Chassis. Powered by a 549cc ProStar 550 EFI SOHC 4-Valve engine, this model offers a balance of power and reliability, suitable for a wide range of utility and recreational tasks. Key features include a liquid-cooled engine, an automatic Variable Transmission (PVT) with engine braking, and on-demand 2WD/AWD capability. With substantial towing capacity and rack storage, the Sportsman 550 is engineered for performance and durability in demanding environments. This comprehensive factory service manual provides detailed, step-by-step instructions for the maintenance, repair, and diagnostics of the Polaris Sportsman 550 and its variants, including EPS and International models. It covers all essential vehicle systems, from the engine and drivetrain to the chassis, body, and electrical systems. The manual includes scheduled maintenance procedures, component removal and installation guides, troubleshooting sections, and clear diagnostic information, all supported by high-quality illustrations and diagrams. Its purpose is to empower owners and technicians with the knowledge needed to maintain the vehicle's optimal performance and longevity.