The 2006 Arctic Cat T660 Touring snowmobile represents a robust and reliable option for winter exploration and travel. Built by Arctic Cat Inc., a manufacturer with a significant heritage in powersports, this model is part of the T660 series, known for its focus on comfort, stability, and two-up riding capabilities. Featuring a liquid-cooled, 4-stroke engine, typically around 1056cc and producing approximately 50-60 horsepower, the T660 Touring is designed for efficient and enjoyable journeys across varied snow conditions. Its engineering emphasizes durability and a smooth riding experience, making it a suitable choice for both recreational riders and those undertaking longer excursions. This comprehensive service manual provides detailed information essential for the maintenance, repair, and troubleshooting of all 2006 Arctic Cat T660 Touring snowmobiles. It covers all major systems, including the engine, transmission, electrical components, suspension, brakes, and bodywork, offering step-by-step instructions for a wide range of procedures. Whether you are performing routine scheduled maintenance, diagnosing a complex issue, or undertaking a complete component rebuild, this manual serves as an authoritative resource. Designed for both professional technicians and DIY enthusiasts, it ensures that owners can effectively maintain their snowmobile's performance and longevity, offering a complete alternative to dealership-specific documentation.