This workshop service repair manual covers the Yamaha VX750 V Max4, VX750ST V Max4, VX800 V Max4, VX800ST V Max4, and MM800 snowmobile models produced for the 1993, 1994, and 1995 model years. These models, part of Yamaha's flagship performance line, are known for their powerful triple-cylinder, liquid-cooled, two-stroke engines, advanced long-track chassis, and CVT transmission systems. The V Max4 series was engineered for high performance and handling, establishing Yamaha's reputation for quality in the powersports industry. This manual provides comprehensive technical data and repair procedures designed to maintain the integrity and performance of these iconic snowmobiles. The purpose of this manual is to provide detailed service and repair information for owners, mechanics, and technicians. It covers all major systems, including engine disassembly and assembly, fuel and electrical systems, powertrain components, and chassis elements such as suspension and brakes. The manual includes periodic maintenance schedules, fluid specifications, troubleshooting guides, and step-by-step repair procedures with high-quality diagrams. By utilizing the information contained within, users can effectively perform routine maintenance, diagnose issues, and complete complex repairs, ensuring the longevity and optimal performance of their Yamaha snowmobile.