The Yamaha Grizzly 600, produced around 1999, is a robust All-Terrain Vehicle (ATV) designed for demanding off-road use. It features a powerful 595cc, 4-stroke, air-cooled engine with fan-assisted oil cooling, known for delivering strong low-end and mid-range torque suitable for utility tasks and trail riding. The Grizzly 600 is equipped with an Ultramatic Continuously Variable Transmission (CVT) system for smooth power delivery and engine braking, along with an On-Command 4WD system allowing rider-selectable engagement. Its independent front suspension and swingarm rear suspension, combined with generous ground clearance, contribute to a comfortable ride and capable handling over varied terrain. This model competed in the high-performance utility ATV segment, earning a reputation for ruggedness and reliability.

This comprehensive Factory Service Manual (FSM) provides detailed information and procedures for the maintenance, diagnosis, and repair of the 1999 Yamaha Grizzly 600 ATV. Covering over 350 pages in English, the manual includes in-depth guidance on all major systems, such as the engine, fuel system, lubrication and cooling, transmission, drivetrain, steering, brakes, and electrical systems. It outlines scheduled maintenance tasks, offers systematic troubleshooting guides, and provides step-by-step instructions for repairs and rebuilds, including critical adjustments and the identification of special tools. This manual serves as an essential resource for owners, mechanics, and technicians to ensure the proper upkeep and longevity of the Grizzly 600.