The Polaris Magnum 325 and 500 All-Terrain Vehicles (ATVs) from 2001 represent a commitment to robust and versatile off-road capability. These models were designed for a wide range of utility and recreational purposes, offering reliable performance and a comfortable riding experience. Known for their powerful engines, including the liquid-cooled, SOHC single-cylinder 325cc and the 499cc Prostar 500, these ATVs feature a Variable Transmission with high/low range and reverse, shaft drive, and on-demand all-wheel drive. The Magnum line has a history of being a dependable workhorse, and the 2001 models continue this legacy with solid engineering and practical features like hydraulic disc brakes and halogen lighting. This comprehensive English-language service manual provides detailed information for the 2001 Magnum 325 and 500 ATVs. It covers a vast array of systems and procedures, including general information, routine maintenance, engine removal and installation, fuel system servicing, lubrication and cooling, transmission, drive train, steering, shocks, and electrical systems. The manual offers step-by-step repair procedures, diagnostic guides, troubleshooting charts, and technical specifications essential for maintenance and repair. It is an invaluable resource for DIY enthusiasts, independent repair shops, and technicians seeking to maintain, diagnose, and repair these vehicles effectively, ensuring optimal performance and longevity.