The T660 Turbo Touring is a robust 2006 snowmobile designed for comfortable and powerful long-distance travel. This model is celebrated for its turbocharged, liquid-cooled, 4-stroke, inline 3-cylinder engine, delivering an estimated 125-140 horsepower. Its engineering emphasizes reliability and touring performance, featuring a Continuously Variable Transmission (CVT) and a comfortable two-up seating configuration with passenger backrests. The T660 Turbo Touring is built to provide an exceptional experience for owners who value both performance and the ability to cover significant distances in various snow conditions, reflecting a heritage in snowmobile manufacturing. This comprehensive service repair workshop manual provides in-depth guidance for the T660 Turbo Touring 2006. It covers all essential aspects of the snowmobile, including engine systems, chassis electrical systems, steering, body, drive train, and suspension. The manual details routine maintenance procedures, tune-ups, fluid changes, as well as advanced troubleshooting, diagnostics, and step-by-step repair instructions. Designed for owners with basic mechanical skills, professional technicians, and enthusiasts, this English-language manual aims to empower users to maintain and repair their vehicle effectively, ensuring optimal performance and longevity.