This manual covers the Arctic Cat Cougar snowmobile models manufactured between 1990 and 1998. The Cougar line, a significant part of Arctic Cat's legacy in performance and innovation, was known for its sporty handling and capabilities. This factory service repair manual provides comprehensive information for owners, DIY mechanics, and professional technicians, enabling them to maintain, repair, rebuild, refurbish, or restore these vehicles. Its detailed coverage ensures that the engineering quality and reliability inherent in the Arctic Cat brand can be preserved throughout the vehicle's lifespan. The purpose of this manual is to serve as a complete technical resource for the Arctic Cat Cougar. It includes detailed sections on general information, troubleshooting, lubrication, maintenance, tune-up procedures, and special use adjustments. Specific coverage extends to engine, fuel system, exhaust, electrical systems, oil injection, cooling, recoil, drive systems, brake system, driven shaft, dropcase, driveshaft, front suspension, steering, and track rear suspension. With hundreds of illustrations and diagrams, this manual offers factory-level technical information, making it suitable for all skill levels and providing step-by-step guidance for routine maintenance, diagnostic procedures, repair, rebuilding, performance tuning, part testing, and off-season storage.