This manual covers the Yamaha Phazer 480 Series snowmobiles, including models PZ480, PZ480-E, and PZ480-EST, produced between 1984 and 1999. The Phazer line is known for its agile handling and sporty performance, offering a balanced blend of power and efficiency for trail riding. Yamaha, a company with a rich heritage dating back to 1955, is recognized for its commitment to quality and innovation across various product lines, including its durable and reliable snowmobiles. The extended production run of the Phazer 480 Series underscores its consistent popularity and enduring utility throughout the years. This comprehensive service and repair manual provides detailed information essential for the maintenance and repair of your Yamaha Phazer 480 Series snowmobile. It covers a wide range of systems, including general information, periodic maintenance, engine overhaul, transmission, fuel, lubrication, cooling, electrical, drive, suspension, steering, frame, chassis, controls, indicators, clutch, and brake systems. The manual offers step-by-step repair instructions, diagnostic procedures, maintenance schedules, and numerous illustrations and diagrams to assist owners, DIY enthusiasts, and independent repair shops. Troubleshooting guidance and specific procedures for engine rebuilds, carburetor adjustments, track system maintenance, and electrical component testing are also included, ensuring you have the resources needed to keep your snowmobile in optimal condition.