The Stihl MS 251 is a well-regarded chainsaw that’s trusted by professionals and homeowners alike for its performance and reliability. In this article, we’ll provide a clear and concise technical overview of the Stihl MS 251 chainsaw.
Engine and Power
The Stihl MS 251 is equipped with a powerful two-stroke engine. Here are the key technical specifications related to its engine and power:
Displacement: The engine has a displacement of 45.6 cc (cubic centimeters). This measurement indicates the total cylinder volume and contributes to the saw’s cutting power.
Engine Type: It features a two-stroke, air-cooled engine. Two-stroke engines are known for their simplicity and high power-to-weight ratios.
Power Output: The engine can deliver a power output of approximately 2.2 kW (kilowatts) or 2.95 hp (horsepower). This power is essential for cutting through various types of wood efficiently.
Bar and Chain
The bar and chain are crucial components of any chainsaw. In the case of the Stihl MS 251, you can expect the following technical details:
Bar Length: This chainsaw is typically available with bar lengths ranging from 16 inches to 18 inches. The bar length determines the size of the cuts you can make.
Chain Pitch: The standard chain pitch for this model is 3/8 inch. Chain pitch refers to the distance between drive links and is an important consideration for chain selection.
Chain Gauge: The chain gauge is usually 0.063 inches, which is the thickness of the drive links. This specification is crucial for proper chain fitment.
Weight and Dimensions
Understanding the physical characteristics of the Stihl MS 251 is essential for handling and transport. Here are the key dimensions and weight details:
Weight: The chainsaw typically weighs around 11.5 pounds (5.2 kg). This weight is manageable for most users, making it versatile for different tasks.
Overall Dimensions: The saw’s dimensions vary slightly depending on the bar length, but a typical configuration may have approximate dimensions of 32.3 inches x 12.2 inches x 11 inches (82 cm x 31 cm x 28 cm).
Fuel and Oil
Proper fuel and oil management are vital for chainsaw operation and longevity. Here’s what you need to know:
Fuel Capacity: The fuel tank of the Stihl MS 251 can hold up to 13.2 ounces (390 ml) of gasoline. This capacity determines the saw’s runtime before refueling is needed.
Oil Capacity: The chainsaw’s oil tank has a capacity of 8.8 ounces (250 ml) for bar and chain lubrication.
Additional Features
The Stihl MS 251 also comes equipped with several useful features, including:
Chain Tensioning: Tool-free chain tensioning allows for easy and quick adjustments, ensuring optimal cutting performance.
Air Filtration: A high-quality air filtration system keeps the engine clean and ensures a longer service life.
Ergonomic Design: The chainsaw is designed with user comfort in mind, featuring a well-balanced design and anti-vibration technology.
Conclusion
The Stihl MS 251 chainsaw is a reliable and powerful tool for various cutting tasks, from pruning to felling small trees. Its technical specifications, including engine power, bar and chain details, weight, dimensions, and fuel capacities, make it a versatile choice for both professionals and homeowners. Whether you’re an experienced user or new to chainsaws, the Stihl MS 251 offers the performance and features needed to get the job done efficiently and effectively.