The Arctic Cat T660 Turbo ST 2006 Workshop Repair Service Manual is a comprehensive guide for maintaining and repairing your snowmobile. This detailed manual, created by the manufacturer themselves, contains hundreds of pages of diagrams and information specifically tailored for your vehicle. The manual provides step-by-step instructions, critical specifications, and numerous illustrations to guide you through every repair procedure, from simple maintenance tasks to complex engine overhauls. It covers a wide range of topics, including: * **General Information and Specifications:** This section lays the foundation with essential details such as snowmobile identification, recommended gasoline and oil types, break-in procedures, and high-altitude operation guidelines. You'll also find torque specifications, conversions, and assembly schematics for various components. * **Engine:** The manual dives into the intricacies of the engine, covering troubleshooting for carbureted and 4-stroke models. It provides instructions for servicing valves, changing oil and filters, testing oil pressure, and maintaining the cooling system. * **Engine-Related Items:** This section delves into related systems like the water pump, recoil starter, air silencer, and the Arctic Power Valve (APV) system if applicable. * **Fuel Systems:** The manual thoroughly explains the fuel systems for carbureted and EFI models, including troubleshooting procedures and maintenance instructions. * **Electrical Systems:** Learn about the ignition system, throttle position sensor, testing wiring harnesses, voltage regulators, sensors, and electrical components. The manual includes detailed troubleshooting steps and wiring diagrams to help you diagnose electrical issues. * **Drive Train, Track & Brake Systems:** This section focuses on the drive chain, sprockets, track, driveshaft, brake system, drive belt, drive clutch, and driven pulley. You'll find information on track tension, alignment, brake system maintenance, and troubleshooting guides for various drive train components. * **Rear Suspension:** The manual provides a comprehensive understanding of the rear suspension system, its setup, and maintenance procedures. It includes guides on servicing shocks, rebuilding air shocks, and pressurizing rebuildable shocks. * **Steering and Body:** This section covers the steering post, ski wear bar, tie rods, spindle, steering tie rod, ski alignment, front suspension arms, shocks, sway bar, and body components like the console, front bumper, gas tank, seat, and lighting. It includes instructions on adjusting headlight aim and maintaining various body parts. With this manual, you'll have access to the same information used by professional technicians, enabling you to perform repairs and maintenance with confidence and save significant costs.

The Arctic Cat T660 Turbo ST, produced in 2006, is a powerful and versatile snowmobile designed for both recreational and performance-oriented riders. It features a robust 660cc twin-cylinder, two-stroke engine with a turbocharger, delivering a remarkable surge of power and thrilling acceleration. The Turbo ST model is built with a lightweight and durable chassis, incorporating advanced suspension components for superior handling and ride quality. Its long track and aggressive lug pattern provide excellent traction on diverse snow conditions, while its responsive steering and precise control allow for nimble maneuverability. This snowmobile is equipped with a range of comfort and convenience features, including a comfortable seat, ergonomic handlebars, and a spacious storage compartment. The T660 Turbo ST's impressive performance is further enhanced by its advanced technology, including a fuel-injected engine, electronic throttle control, and a digital instrument panel. The turbocharger system provides a significant boost in horsepower while maintaining smooth and consistent power delivery. The snowmobile's design emphasizes rider comfort and safety, with a well-balanced weight distribution and a responsive braking system. Its versatility extends beyond recreational riding, making it a suitable choice for various activities such as trail riding, backcountry exploring, and even competitive racing. With its powerful engine, agile handling, and user-friendly features, the Arctic Cat T660 Turbo ST offers an exhilarating and memorable snowmobile experience for riders of all skill levels.