The Polaris Sportsman 400 HO Touring Forest Tractor ATV, produced for the 2012 and 2013 model years, represents a robust utility All-Terrain Vehicle designed for demanding tasks and extended excursions. This model, a variant of the acclaimed Sportsman line, combines powerful HO (High Output) engines with touring-focused features for enhanced rider and passenger comfort, alongside a Forest Tractor configuration emphasizing utility and cargo capacity. Known for its engineering quality and reliability, the Sportsman line is a flagship offering from a company with a rich heritage in powersports. This ATV is engineered to provide a versatile platform for work, trail riding, and recreational touring, capable of towing up to 1500 lbs and carrying significant loads on its front and rear racks. This comprehensive factory service repair workshop manual provides essential information for the maintenance, diagnosis, and repair of your Polaris Sportsman 400 HO Touring Forest Tractor ATV. Covering a vast array of systems, including engine, drivetrain, chassis, and electrical components, this manual details scheduled maintenance procedures, component removal and installation, troubleshooting guides, and technical specifications. It is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance, longevity, and safety of their vehicle. The English-language manual, presented in a searchable format, offers in-depth coverage from basic servicing to complex overhauls, empowering users with the knowledge to effectively manage their ATV.