This manual covers the Polaris Sportsman 400 and 500 models manufactured in 2005. Designed for a variety of off-road applications, these ATVs are recognized for their robust engineering and reliable performance. This comprehensive guide provides essential information to ensure optimal operation and longevity of your vehicle. The scope of this service manual includes detailed repair and maintenance procedures, illustrated with clear, step-by-step instructions. It serves as an indispensable resource for owners, mechanics, and technicians, offering insights into key areas such as engine components, electrical systems, and general upkeep. With 311 pages of information, this manual is dedicated to assisting in the proper maintenance and repair of your Polaris Sportsman.