This manual provides comprehensive service and repair information for the Sportsman 400 500 DUSE & H.O. models produced between 2001 and 2004. Designed for durability and performance, these vehicles are engineered to meet the demands of various off-road applications. This guide reflects the quality and reliability inherent in the brand, offering detailed insights for optimal operation. The Sportsman 400 500 DUSE & H.O. 2001-2004 Service Repair Factory Manual is an indispensable resource for owners and technicians. It covers essential areas including general information, detailed specifications, technical features, troubleshooting guidance, and specific system overhauls for the electrical, fuel, power, and lower units. This manual's step-by-step instructions are designed to facilitate efficient maintenance and repair, ensuring the longevity and performance of your vehicle.