The Suzuki LT-A400 and LT-F400 Eiger models, produced between 2007 and 2009, represent a significant offering in the utility all-terrain vehicle segment. These models are powered by a 376 cc single-cylinder, 4-stroke engine featuring OHC and liquid cooling, designed for reliable performance in various off-road conditions. Known for their robust engineering and dependable operation, the Eiger series provides a balanced blend of power, durability, and practicality, making them a favored choice for recreational riding and utility tasks. This comprehensive workshop repair service manual, written in English and presented in a high-quality, printable format, covers all models, engines, and trim types within the LT-A400/LT-F400 Eiger range. It details essential maintenance procedures, troubleshooting guides, diagnostic steps, and complete repair instructions, including disassembly and assembly for all major systems such as the engine, fuel system, brakes, suspension, and electrical components. The manual's professional-level, step-by-step guidance, complete with illustrations and diagrams, is designed to empower owners and professional technicians alike to effectively maintain, diagnose, and repair their Suzuki Eiger, ensuring optimal performance and longevity.