This comprehensive workshop repair service manual is specifically designed for the 2001-2006 Yamaha Raptor 660 (YFM660 YFM660RN YFM660RNC) ATV. It provides a detailed and in-depth guide to every aspect of your ATV's repair and maintenance. From the basics of general information to the intricacies of engine, suspension, driveline, brake system, transmission, clutch, exhaust, fuel, steering, shocks, climate control, instrumentation, electrical systems, and much more, you'll find clear and concise instructions for every repair job. The manual is packed with easy-to-follow, step-by-step instructions accompanied by helpful illustrations and diagrams, making even complex repairs manageable. Save yourself significant time and money by tackling your own repairs with confidence.

The information contained in this manual is the same as that used by Yamaha engineers, ensuring accuracy and reliability. You'll have access to everything you need to keep your Raptor 660 running smoothly, including:

* **Maintenance:** General maintenance procedures, schedules, and specifications.
* **Engine:** Detailed information on engine components, troubleshooting, and repair, covering everything from the cylinder head to the exhaust system.
* **Control System:** Thorough coverage of the engine control system, including emission control systems.
* **Mechanical:** Comprehensive guidance on mechanical components like the driveline, drive belt, differential, transmission, clutch, and more.
* **Fuel System:** In-depth information on the fuel system, including fuel pump, injectors, and fuel tank.
* **Electrical System:** Detailed explanations of the electrical system, including wiring diagrams, battery, charging system, and lighting.
* **Suspension & Steering:** Thorough instructions on the suspension and steering systems, including shocks, brakes, and wheels.
* **Body & Frame:** Comprehensive information on the ATV's body and frame, including repair and replacement procedures.

This manual gives you the tools to confidently handle your own repairs, saving you money and providing a deeper understanding of your ATV.

The Yamaha Raptor 660, produced from 2001 to 2006, is a high-performance sport ATV designed for both recreational and competitive off-road riding. It features a powerful 660cc, liquid-cooled, four-stroke, single-cylinder engine that delivers impressive acceleration and top speed. The Raptor 660's engine is known for its smooth power delivery and reliable performance, making it a popular choice for both novice and experienced riders. Its lightweight aluminum frame and independent suspension with adjustable preload offer excellent handling and stability on a variety of terrains, allowing riders to confidently tackle challenging trails and jumps.

The Raptor 660 boasts a number of features that enhance its performance and rider experience. These include a five-speed manual transmission with reverse, a double-A-arm front suspension with 8.7 inches of travel, and a swingarm rear suspension with 9.1 inches of travel. The ATV also features hydraulic disc brakes on all four wheels for powerful stopping power. The Raptor 660 was available in two trim levels: the standard YFM660 and the YFM660R, which featured a number of performance upgrades, such as a high-flow air intake, a more aggressive camshaft, and a different exhaust system. The Raptor 660 quickly gained a reputation as one of the most capable and fun-to-ride sport ATVs on the market, earning a loyal following among enthusiasts.