The Stihl MS 251 Wood Boss is a reliable and powerful chainsaw designed for both professional and homeowner use. In this article, we will provide a comprehensive technical review of the MS 251 Wood Boss, focusing on its specifications, operational features, maintenance, and practical tips to ensure you get the most out of this impressive tool.
Technical Specifications
Engine: The Stihl MS 251 Wood Boss is equipped with a robust 45.6 cc two-stroke engine. This engine offers an excellent power-to-weight ratio, making it capable of handling a range of cutting tasks.
Guide Bar Length: The saw is available with guide bar lengths ranging from 16 to 18 inches. This flexibility allows you to choose the appropriate size for your cutting needs.
Weight: The MS 251 Wood Boss weighs around 12.3 pounds without the bar and chain. This relatively lightweight design enhances maneuverability and reduces user fatigue.
Fuel Capacity: The fuel tank can hold up to 500 ml (16.9 oz) of fuel and 200 ml (6.8 oz) of chain oil, providing ample run time between refills.
Air Filtration: Stihl’s advanced air filtration system ensures that the engine stays clean and performs optimally, even in dusty conditions.
Operational Features
Easy2Start: The MS 251 Wood Boss features Stihl’s Easy2Start system, reducing the effort required to pull-start the engine. This is particularly useful in cold conditions.
Chain Tensioning: The tool-free chain tensioning system simplifies chain adjustments, ensuring optimal cutting performance.
Vibration Damping: The built-in vibration damping system reduces operator fatigue during prolonged use, increasing user comfort and safety.
QuickStop Chain Brake: This safety feature engages the chain brake when the front handguard is pushed forward or in case of kickback, minimizing the risk of injury.
Ematic Lubrication System: Stihl’s Ematic lubrication system reduces chain oil consumption while providing proper lubrication to the chain and bar.
Maintenance
Air Filter: Regularly clean and inspect the air filter to prevent dust and debris from clogging the engine.
Chain Maintenance: Keep the chain sharp, well-tensioned, and properly lubricated. A dull or loose chain can reduce cutting efficiency and increase the risk of kickback.
Fuel and Oil: Use high-quality fuel and chain oil to maintain engine performance and reduce carbon deposits.
Spark Arrestor Screen: Ensure the spark arrestor screen is clean and free of carbon buildup to maintain proper exhaust flow.
Operational Tips
Safety First: Always wear appropriate safety gear, including protective eyewear, gloves, and hearing protection. Familiarize yourself with the user manual and follow safety guidelines.
Proper Fuel Mix: Ensure the correct fuel-to-oil ratio (50:1) for optimal engine performance and longevity.
Cutting Technique: Learn and use proper cutting techniques to maximize efficiency and safety. Avoid cutting above shoulder height and maintain a firm grip on the saw.
Conclusion
The Stihl MS 251 Wood Boss is a versatile and dependable chainsaw suitable for a wide range of applications. Its technical specifications, operational features, and maintenance requirements ensure it remains a reliable tool for both professionals and homeowners. Following safety guidelines, using quality fuel and oil, and maintaining the saw properly will enable you to make the most of this powerful and efficient wood cutting tool.