The Yamaha Raptor 125, model code YFM125, represents a notable entry in Yamaha's renowned ATV lineage, produced for the 2011 and 2012 model years. Building upon Yamaha's extensive history of innovation and performance in the ATV market, the Raptor 125 is designed for sport riding, offering a blend of agility and power. Its engineering quality is evident in its single-cylinder, 4-stroke, liquid-cooled 124cc engine, featuring fuel injection for efficient performance. Key features include hydraulic disc brakes front and rear for reliable stopping, full floorboards with heel guards for rider protection, and dual halogen headlights coupled with an LED taillight for enhanced visibility. This model embodies the sporty characteristics for which the Raptor family is known, often serving as an accessible option within the performance-oriented segment. This comprehensive service repair manual provides in-depth guidance for owners and professional mechanics alike, covering all aspects of maintenance and repair for the Yamaha Raptor 125 (YFM125A) from 2011-2012. The manual offers complete A-Z coverage, detailing everything from routine scheduled maintenance and periodic checks to complex engine mechanicals, transmission, chassis, suspension, steering, braking systems, and electrical components. It includes detailed procedures for component removal and installation, troubleshooting, and rebuilds, supported by highly detailed exploded diagrams and illustrations. The purpose of this manual is to empower users with the knowledge and procedures necessary to maintain their vehicle’s optimal performance, ensure reliability, and effectively address any repair needs, thereby saving on service costs and prolonging the life of the ATV.