The Yamaha YZF-R125, also known as the R125, is a popular entry-level sportbike introduced in 2008. Inspired by Yamaha's renowned R-series supersport family, it offers aggressive styling and sporty ergonomics designed for new riders, commuters, and enthusiasts seeking a stylish, performance-oriented motorcycle with manageable power. Powered by a liquid-cooled, four-stroke, 124.7 cc single-cylinder engine with fuel injection and a 6-speed transmission, the R125 delivers approximately 15 PS, making it compliant with A1 license regulations in many markets. Its engineering emphasizes rigidity and handling, featuring a Deltabox frame, hydraulic disc brakes, and a digital LCD instrument panel.

This comprehensive 353-page Workshop Service Manual provides detailed guidance for the maintenance, repair, and overhaul of Yamaha YZF-R125 models produced between 2008 and 2015. It covers all essential systems, including the engine (RE06), fuel, ignition, cooling, exhaust, transmission, chassis, brakes, wheels, tires, and electrical systems. The manual includes step-by-step procedures for scheduled maintenance, troubleshooting common issues, component repair and replacement, and complete system overhauls. With its thorough technical specifications and diagnostic information, this manual is an indispensable resource for owners, mechanics, and technicians aiming to keep their R125 in optimal condition.