The 2006 Arctic Cat T660 Turbo TRAIL LE represents a significant model within Arctic Cat's snowmobile lineup, known for its turbocharged 4-stroke engine and robust engineering. This model is designed for trail riding, offering a blend of performance and reliability characteristic of the Arctic Cat brand's heritage. Its construction emphasizes durability and efficiency, making it a capable machine for various winter conditions. The T660 Turbo TRAIL LE is a testament to the innovation and quality that Arctic Cat has consistently delivered to the powersports market. This comprehensive service repair manual provides detailed information for the 2006 Arctic Cat T660 Turbo TRAIL LE, covering all models, engines, and trim levels. It is intended for owners and technicians, offering extensive guidance on maintenance, troubleshooting, and repair procedures. The manual includes in-depth coverage of all major systems, from the engine and fuel systems to the drivetrain, suspension, and electrical components, complete with diagrams, illustrations, and torque specifications. Its purpose is to empower users with the knowledge needed to maintain the vehicle's optimal performance and longevity, mirroring the detail found in professional workshop manuals.