This document provides comprehensive service information for the 2003 Wolverine Automatic 4X4. As a capable all-terrain vehicle, the Wolverine is renowned for its robust engineering and reliability, making it a popular choice for recreational and utility purposes. Its design emphasizes durability and performance, featuring a liquid-cooled, four-stroke engine, an automatic Continuously Variable Transmission (CVT), and a 4x4 drivetrain for superior traction. With its substantial cargo capacity and solid construction, the YFM 350 FWAN Wolverine is built to tackle challenging terrains and demanding tasks. This factory service manual is meticulously crafted to assist both do-it-yourself enthusiasts and professional technicians in maintaining and repairing the 2003 Wolverine. It covers a wide array of critical systems, including detailed procedures for engine assembly, fuel and electrical systems, drivetrain, suspension, and braking. The manual offers step-by-step repair instructions, comprehensive troubleshooting guides, detailed specifications, and clear diagrams, ensuring that all maintenance and repair tasks are performed accurately and efficiently to preserve the vehicle's optimal performance and longevity.