This manual covers the YFM350ER MOTO 4, an All-Terrain Vehicle (ATV) produced between 1987 and 1990. Designed for off-road riding and recreation, this Japanese-manufactured ATV is powered by an air-cooled, 4-stroke, 348cc gasoline engine, featuring a 5-speed forward transmission with an automatic clutch and shaft drive. Its robust construction includes independent double wishbone front suspension, a swingarm rear suspension, dual hydraulic disc front brakes, and a sealed drum rear brake, all contributing to its reliable performance and durability for various terrains.

This Service Repair Manual provides comprehensive guidance for the maintenance, repair, and technical understanding of your YFM350ER MOTO 4. It details essential procedures, troubleshooting steps, technical specifications, and safety guidelines necessary for proper vehicle upkeep. Whether you are an owner performing routine maintenance or a technician addressing complex repairs, this manual serves as an indispensable resource to ensure your ATV remains in optimal operating condition.