The Yamaha Raptor 660 Service Repair Workshop Manual provides comprehensive, step-by-step instructions for servicing, repairing, and maintaining your ATV. This detailed manual is the same one used by professional technicians and mechanics, making it the perfect resource for DIY enthusiasts. It covers a wide range of topics, including routine maintenance, tune-up procedures, specifications, engine removal and installation, cylinder head and valve train, engine block, engine lubrication, intake manifold and exhaust system, cooling and heating, fuel and emissions, transaxle, clutch, manual and automatic transmission, differential, driveshaft, steering, suspension, brakes (including ABS), body, heater and air conditioning, automatic climate control, electrical (including SRS), supplemental restraint system (SRS), engine repair, air conditioning, exhaust emissions control, ignition, steering wiring diagrams, valve timing procedures, chain and gear replacement, general removal and installation instructions, safety precautions, special tools, tensioner adjustments, tightening torques, timing marks, valve timing instructions, tensioner release and reset methods, chain routing, sprocket and gear, valve timing marks.

The Yamaha Raptor 660 is a popular sport ATV that was produced by Yamaha from 2001 to 2005. It was a powerful and agile machine that was designed for off-road riding and racing. The Raptor 660 was powered by a 660cc, liquid-cooled, four-stroke single-cylinder engine that produced a claimed 54 horsepower. It had a five-speed transmission with reverse and a chain final drive. The Raptor 660 featured a lightweight aluminum frame and a long-travel suspension system that provided excellent handling and stability on rough terrain. It also had a disc brake system on all four wheels, which provided strong stopping power.

The Raptor 660 was a popular choice for off-road enthusiasts who were looking for a powerful and capable ATV. It was often used for trail riding, dune riding, and racing. The Raptor 660 was also known for its durability and reliability. However, it was also known for being a bit difficult to handle for beginners due to its powerful engine and responsive throttle. Overall, the Yamaha Raptor 660 was a successful ATV that was popular with both amateur and professional riders. It was a fun and exciting machine to ride, and it was capable of handling a wide range of off-road conditions. The Raptor 660 was replaced by the Yamaha Raptor 700 in 2006. The Raptor 700 featured a larger engine, a new suspension system, and a number of other improvements. The Raptor 700 is still in production today and is one of the most popular sport ATVs on the market.