This service repair manual provides comprehensive information for the Yamaha YFM350 Warrior, a sport ATV recognized for its balance of performance and versatility. Introduced in the early 1980s and produced through the early 2000s, the YFM350 Warrior features a proven 348cc air-cooled engine, reliable shaft drive, agile handling, and a robust chassis. It was a popular choice for recreational riders and entry-level racers, competing with other 350cc class ATVs of its era.

This manual is designed to assist owners, mechanics, and technicians in maintaining and repairing the Yamaha YFM350 Warrior. It covers essential areas including engine disassembly and repair, transmission and drivetrain service, brake system maintenance, suspension adjustments, and the electrical system. Detailed procedures for routine maintenance, troubleshooting common issues, and component-specific repairs are included, along with technical specifications and clear illustrations to ensure accurate service.