This comprehensive service manual provides detailed instructions and technical specifications for the Stihl MS271 and MS291 chainsaws. It covers a wide range of topics, including disassembly, reassembly, adjustments, troubleshooting, and repair procedures. The manual features clear illustrations, diagrams, and step-by-step instructions to guide you through every step of the process. Whether you are a professional mechanic or a DIY enthusiast, this manual will equip you with the knowledge and tools you need to maintain and repair your Stihl MS271 or MS291 chainsaw.

The Stihl MS271 and MS291 are powerful and versatile gas-powered chainsaws designed for a wide range of tasks, from cutting firewood and clearing brush to professional tree felling. Both models feature a robust and reliable design, showcasing the renowned quality and durability associated with the Stihl brand. The MS271 is a lighter and more compact option, ideal for homeowners and occasional users, while the MS291 offers increased power and performance for more demanding applications like professional forestry work.

Both chainsaws share key features, including a powerful 2-stroke engine with a fuel-efficient design, a robust and durable housing, and an effective anti-vibration system. The Stihl MS271 boasts a 35.2cc engine delivering 2.6 horsepower, while the MS291 packs a more potent 45.6cc engine producing 3.2 horsepower. They both feature Stihl's patented Ematic lubrication system, which reduces fuel consumption and chain wear, and a convenient Quick Chain Tensioning System for easy chain adjustments. Both models are also equipped with a durable and efficient air filtration system, ensuring long engine life and optimal performance. The MS291 further benefits from a larger fuel tank capacity and a longer guide bar, allowing for prolonged work sessions and tackling larger projects.