This manual covers the 1999 Arctic Cat snowmobile lineup, a year that represented a significant point in the brand's long history of performance and innovation. Arctic Cat snowmobiles from this era, manufactured in Thief River Falls, Minnesota, are known for their robust engineering and reliability, catering to a wide range of riding styles from utility and trail to high-performance. The 1999 models, including the Powder Special, Bearcat, Kitty Cat, Pantera, Panther, Thundercat, and various ZR and ZL series, showcase advancements in engine technology, suspension, and chassis design, making them capable machines for diverse snow conditions. This comprehensive factory service manual provides detailed instructions for maintenance, repair, and diagnostics, designed for owners, professional mechanics, and technicians. It covers all major systems, including the engine (with various displacements from 120cc to 1000cc), fuel, lubrication, cooling, transmission (Arctic Drive System with CVT), steering, suspension, brakes, and electrical systems. With step-by-step procedures, clear illustrations, and troubleshooting guidance, this manual empowers users to perform everything from routine maintenance and preventative schedules to complete engine rebuilds and component replacements, ultimately helping to ensure the longevity and optimal performance of your 1999 Arctic Cat snowmobile.