This manual covers the 2004 Arctic Cat Snowmobile models, a diverse lineup known for performance and innovation in the snowmobile industry. Arctic Cat has a long-standing reputation for engineering quality and reliability, and the 2004 model year represented a period of varied offerings across trail, mountain, and crossover segments. This comprehensive service repair manual is designed to provide detailed information on a wide range of models, including those with engine displacements from 370cc to 900cc and various engine configurations such as carbureted and Electronic Fuel Injection (EFI) systems. The purpose of this manual is to serve as an essential resource for owners, DIY mechanics, and service technicians. It provides complete service and repair information, including step-by-step procedures for maintenance, assembly, disassembly, servicing, repair, diagnosing, and troubleshooting. Key areas covered include general information, engine systems, fuel systems, electrical systems, chassis, steering, body, drive train, brake systems, track, and rear suspension, all supported by detailed diagrams, real photo illustrations, and comprehensive wiring diagrams. This manual empowers users to maintain their Arctic Cat snowmobiles in optimal condition, extending their lifespan and performance while enabling cost savings.