This workshop service repair manual covers the Arctic Cat ZR 500 EFI snowmobile from the 2000 model year. Arctic Cat has a long history of producing performance-oriented snowmobiles, and the ZR series was a key part of their lineup, known for agility and power. The 2000 ZR 500 EFI, featuring a 499cc liquid-cooled, twin-cylinder engine with Electronic Fuel Injection (EFI), represented a refinement of the platform, offering improved performance and efficiency. This manual is designed for enthusiasts, independent repair shops, and owners aiming to maintain the optimal performance and longevity of their vehicle, providing a cost-effective solution with factory-level repair information. The scope of this comprehensive, factory service repair manual in English is extensive, covering all major systems of the Arctic Cat ZR 500 EFI. It details General Information, Engine, Fuel Systems (including EFI components), Engine and Chassis Electrical Systems, Steering and Body, Drive Train, Brake Systems, Track, and Rear Suspension. Included are complete disassembly and reassembly procedures, maintenance schedules, troubleshooting guides, electrical diagnostics with wiring diagrams, and detailed technical specifications. With hundreds of pages, numerous illustrations, and step-by-step instructions, this manual serves as an invaluable resource for owners and technicians alike to ensure the vehicle remains in peak operating condition.