This comprehensive service and repair manual is specifically designed for Yamaha LT2, LT3, AT1C, AT2, and AT3 Enduro models with engine sizes ranging from 100cc to 175cc, covering the years 1971 to 1973. A detailed resource for both professional mechanics and DIY enthusiasts, this manual provides a wealth of information, covering every aspect of repair, servicing, and troubleshooting for your Yamaha Enduro. With hundreds of pages of detailed instructions, clear photographs, and exploded diagrams, you will gain a thorough understanding of your motorcycle's workings. The manual utilizes step-by-step guidance to ensure you can confidently undertake any repair or maintenance task. This manual is the equivalent to the service manuals used by professional technicians and mechanics, offering an in-depth guide to every repair procedure.

The Yamaha LT2, LT3, AT1C, AT2, and AT3 Enduro motorcycles, produced from 1971 to 1973, represent a significant chapter in Yamaha's history, showcasing their commitment to developing strong and reliable off-road machines. These models were powered by single-cylinder, two-stroke engines with displacements ranging from 100cc to 175cc, delivering a potent combination of power and lightweight agility. The LT2 and LT3 were known for their robust construction and simplicity, making them ideal for tackling challenging terrain. The AT1C, AT2, and AT3 models introduced advancements like telescopic front forks and a more refined chassis, enhancing ride comfort and handling. These Yamahas were characterized by their distinctive styling, featuring a large, round headlight, a high-mounted exhaust pipe, and a sleek, minimalist design. These models were designed for the adventurous rider who sought to explore the untamed wilderness. They were renowned for their durability and ease of maintenance, which made them popular choices for both novice and experienced riders. The LT2 and LT3, in particular, became synonymous with dependability and ruggedness, often finding their way into the hands of enduro racers and off-road enthusiasts. While the Yamaha LT2, LT3, AT1C, AT2, and AT3 models may be considered vintage today, they continue to hold a place of respect in the hearts of motorcycle enthusiasts. Their significance lies in their contribution to Yamaha’s early success in the enduro market, paving the way for the development of future off-road motorcycles that would become legendary.