The Polaris FS FST, produced for the 2006, 2007, and 2008 model years, represents a performance-oriented snowmobile designed for aggressive trail riding and speed. Emphasizing agility and power, the FS FST typically features a potent 2-stroke, liquid-cooled, inline twin engine, likely around 750cc and producing over 130 horsepower, coupled with a Continuously Variable Transmission (CVT) for optimal power delivery. Its engineering focuses on delivering an exhilarating riding experience, positioning it as a strong competitor in its segment during its production run. This comprehensive service repair workshop manual provides in-depth coverage for the Polaris FS FST across its model years. It details essential maintenance procedures, including routine and scheduled service intervals, fluid specifications, and component replacements. Furthermore, the manual offers extensive guidance on diagnostics, troubleshooting, and repair for all major vehicle systems, such as the engine, fuel, ignition, transmission, brakes, suspension, and electrical systems. With step-by-step instructions, technical specifications, and detailed wiring diagrams, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair the Polaris FS FST.