This manual covers the Polaris Sportsman 400, Sportsman 500, and Xplorer 500 models produced between 1996 and 2003. These versatile all-terrain vehicles (ATVs) are renowned for their robust engineering, capable Independent Front Suspension (IFS), and On-Demand All-Wheel Drive (AWD) system, making them well-suited for a variety of demanding terrains and tasks. With a focus on reliable performance and user comfort, these Polaris vehicles have established a strong reputation in the utility and recreational ATV market, competing effectively with other leading brands through their balance of power, handling, and durability. This comprehensive Factory Service Manual provides detailed guidance for the service, repair, and maintenance of your Polaris Sportsman or Xplorer ATV. It includes extensive information on engine overhaul, transmission service, drivetrain maintenance, suspension and steering system repairs, brake system diagnostics, and electrical system troubleshooting, along with routine maintenance procedures and component rebuild instructions. With over 400 pages of expert advice, diagnostic flowcharts, and step-by-step repair procedures, this manual is an essential resource for owners and technicians seeking to maintain the optimal performance and longevity of their vehicle.