This manual covers the YTM 225 Tri-Moto, including its DRS, DRN, and DXK sub-models, produced between 1983 and 1987. The YTM 225 series was a significant offering in the three-wheeled ATV market, known for its robust four-stroke, air-cooled engine and reliable shaft drive. This versatile machine was engineered for recreational use and utility, embodying a reputation for quality powersports vehicles. Its development marked an entry into the growing ATV segment, providing a capable platform that has earned a reputation for dependability and performance in off-road applications. This comprehensive Service Repair Workshop Manual provides detailed, factory-level information essential for the maintenance and repair of your YTM 225 Tri-Moto. It covers all major systems, including engine overhaul, transmission, chassis, brakes, electrical components, and fuel system, along with routine maintenance procedures and troubleshooting guides. Step-by-step instructions, hundreds of pages of detailed content, and highly detailed exploded diagrams are included to assist owners, DIY enthusiasts, and professional mechanics in ensuring the longevity and optimal performance of their vehicle.