The Polaris Sportsman 400 and 500 series, produced from 1996 through 2003, represent a significant era in the evolution of utility and recreational all-terrain vehicles. These models were known for their robust engineering, offering a blend of power and comfort that made them versatile for both work and play. A key differentiator for many Sportsman models of this period was the inclusion of Independent Rear Suspension (IRS), providing a superior ride quality and handling compared to many contemporary solid-axle designs. With powerful 4-stroke engines ranging from 375cc to 499cc and features like the Variable Transmission (PVT) and electronic all-wheel-drive engagement, these ATVs were built to tackle challenging terrain and demanding tasks, solidifying the brand's reputation in the ATV market. This comprehensive factory service and repair manual provides essential information for the maintenance and repair of your Sportsman 400 or 500. Spanning over 1000 pages, it covers every aspect of the vehicle, from routine maintenance procedures like oil changes and filter replacements to major overhauls of the engine, drivetrain, and suspension systems. Detailed diagnostic charts, troubleshooting guides, and technical specifications, including torque values and fluid capacities, are included to assist owners and technicians. The manual also features complete electrical system coverage with detailed wiring diagrams, ensuring that all aspects of the vehicle's operation can be understood and repaired with accuracy.