The 2006 Arctic Cat PANTHER 660 TRAIL is a snowmobile built for performance and reliability. As a product of Arctic Cat, a manufacturer with a strong heritage in powersports, this model represents a versatile trail-oriented machine. It features a 4-stroke engine with a displacement of approximately 660cc, designed to deliver a capable riding experience. The engineering quality is evident in its robust construction and the inclusion of advanced systems for its time, such as liquid cooling and an EFI system on some variants, ensuring consistent power delivery and efficient operation across various conditions. This comprehensive workshop service repair manual provides detailed information for the 2006 Arctic Cat PANTHER 660 TRAIL snowmobile. It covers all styles and offers hundreds of pages of content, including step-by-step instructions, detailed substeps, notes, cautions, and warnings, supported by hundreds of photos and illustrations. The manual is designed for both do-it-yourself owners and experienced mechanics, offering guidance on everything from basic maintenance procedures like oil changes and break-in service to in-depth troubleshooting and complete disassembly for all major systems, including engine mechanical, fuel, cooling, electrical, drivetrain, suspension, braking, and body/chassis.