The Stihl MS 291 is a powerful and versatile chainsaw that has earned a reputation for its reliability and performance. In this review, we’ll explore the technical details of the Stihl MS 291 chainsaw, its proper operation, and essential maintenance guidelines.
Technical Specifications:
Engine: The Stihl MS 291 is equipped with a robust 55.5 cc engine, designed to deliver consistent power for demanding wood cutting tasks.
Guide Bar Length: This chainsaw comes with a choice of guide bar lengths, typically ranging from 16 to 20 inches. The longer the guide bar, the greater the cutting capacity.
Chain Type: The Stihl MS 291 typically uses a .325" pitch, Rapid Duro 3 (RDR3) or Rapid Super (RS) chain, known for its cutting efficiency and durability.
Power Output: The engine generates approximately 3.8 horsepower, providing the necessary force to handle a variety of wood cutting jobs.
Weight: The weight of the Stihl MS 291 ranges from 13 to 14 pounds, depending on the bar and chain configuration. This is considered a moderate weight for a chainsaw of its power class.
Fuel Capacity: The chainsaw features a fuel tank with a capacity of 500 ml (16.9 oz), designed to keep the saw running through extended tasks.
Proper Operation:
Safety First: Always wear the appropriate safety gear, including a helmet with a face shield, ear protection, gloves, and chaps. Ensure a clear workspace free from obstructions.
Fuel Mix: Prepare a fuel mixture using high-quality, unleaded gasoline and a high-quality two-stroke engine oil. Follow the manufacturer’s recommendations for the correct fuel-to-oil ratio.
Starting the Chainsaw: Follow the manufacturer’s starting procedure, which typically involves engaging the chain brake, setting the choke, pulling the starter cord until you hear the engine fire, and then releasing the choke.
Chain Tension: Keep the chain properly tensioned to prevent it from derailing during operation. A correctly tensioned chain should snap back when pulled away from the guide bar.
Cutting Techniques: Use proper cutting techniques, including holding the chainsaw firmly with both hands and maintaining a secure footing. Always cut at waist level or below.
Maintain Chain Sharpness: A sharp chain is essential for efficient cutting. Regularly file or sharpen the chain following the manufacturer’s guidelines.
Maintenance Tips:
Regular Cleaning: After each use, clean the chainsaw to remove sawdust, dirt, and debris. Pay special attention to the air filter, which should be cleaned or replaced when clogged.
Fuel and Oil Filter Maintenance: Check and clean the fuel and oil filters as recommended by the manufacturer. Replacing these filters at regular intervals helps maintain the chainsaw’s performance.
Bar and Chain Lubrication: Keep the bar and chain well lubricated with chain oil. A well-lubricated chain reduces friction and prolongs the life of the cutting components.
Inspect Spark Plug: Regularly inspect and clean the spark plug. Replace it if necessary to ensure a consistent and reliable spark.
Storage: When not in use, store the chainsaw in a dry, cool place, and protect it from dust and moisture. Drain the fuel and run the engine dry to prevent carburetor clogs during storage.
In summary, the Stihl MS 291 is a dependable and powerful chainsaw designed for heavy wood cutting tasks. By understanding its technical details, adhering to proper operation guidelines, and following essential maintenance tips, you can make the most of this tool while ensuring its longevity and your safety.