Stihl MS 251 C-BE Manual⁚ A Comprehensive Guide
This comprehensive guide provides a detailed overview of the Stihl MS 251 C-BE chainsaw, covering its key features, operating instructions, safety precautions, maintenance tips, troubleshooting advice, and more. Whether you’re a seasoned professional or a DIY enthusiast, this manual will equip you with the knowledge to operate and maintain your chainsaw safely and effectively.
Introduction
The Stihl MS 251 C-BE is a powerful and versatile chainsaw designed for a wide range of tasks, from felling small trees and pruning to cutting firewood. This manual serves as your comprehensive guide to understanding and operating this chainsaw safely and efficiently. It delves into the key features and benefits of the MS 251 C-BE, providing detailed instructions on starting and operating the chainsaw, as well as essential safety precautions to ensure your well-being. This manual also covers maintenance procedures, troubleshooting tips, and information on spare parts and accessories. By carefully studying this manual, you will be well-equipped to use your Stihl MS 251 C-BE chainsaw with confidence and achieve optimal performance.
Key Features and Benefits
The Stihl MS 251 C-BE chainsaw boasts a range of features designed to enhance performance, comfort, and ease of use. Its powerful 2.2kW engine delivers ample cutting power for a variety of applications. The “C” in the model name signifies “Comfort,” reflecting its ergonomic design for reduced fatigue during operation. The “B” stands for “Fast Chain Tension,” allowing for quick and tool-free chain adjustments. The “E” represents “Easy2Start,” incorporating a system that minimizes starting effort. The MS 251 C-BE also benefits from Stihl’s 2-Mix technology, which reduces fuel consumption by up to 20% and emissions by up to 70% compared to conventional two-stroke engines. These features combine to make the MS 251 C-BE a reliable, efficient, and user-friendly chainsaw, ideal for both professionals and DIY enthusiasts.
Starting and Operating the Chainsaw
Starting the Stihl MS 251 C-BE chainsaw is made easy thanks to its Easy2Start system. First, ensure the chain brake is engaged. Then, move the choke lever to the “choke” position. Next, pull the starter cord several times until the engine starts. Once the engine starts, move the choke lever to the “run” position. To stop the engine, release the throttle trigger and then engage the chain brake. Operating the chainsaw requires proper technique and safety awareness. Always wear appropriate protective gear, including safety glasses, gloves, and hearing protection. Ensure the chain is properly tensioned and lubricated before operation. Keep a firm grip on the chainsaw and avoid cutting above shoulder height. When cutting, maintain a steady pace and avoid forcing the saw. Always be mindful of your surroundings and avoid cutting near people or objects.
Starting the Chainsaw
Starting the Stihl MS 251 C-BE chainsaw is a straightforward process thanks to its user-friendly design. First, engage the chain brake for safety. Next, move the choke lever to the “choke” position. This enriches the fuel mixture for easier starting. Now, pull the starter cord several times until the engine begins to sputter. Once you hear a slight cough, move the choke lever to the “run” position. This allows the engine to draw in more air and achieve a stable idle. Continue pulling the starter cord until the engine starts. If the engine doesn’t start after a few attempts, check the fuel tank level and ensure the spark plug is properly connected. Once the engine is running, release the throttle trigger and disengage the chain brake. Your Stihl MS 251 C-BE is now ready for operation.
Operating the Chainsaw
Operating the Stihl MS 251 C-BE chainsaw safely and efficiently requires careful attention to technique and safety precautions. Always wear appropriate personal protective equipment, including safety glasses, gloves, hearing protection, and chainsaw chaps. Before starting any cutting operation, assess the work area for hazards, such as power lines, obstacles, or uneven terrain. When cutting, maintain a firm grip on the chainsaw with both hands and keep your body positioned away from the cutting area. Use the throttle trigger to control the chainsaw’s speed and power, avoiding sudden accelerations or decelerations. Always make sure the chain brake is engaged when not cutting and use caution when moving the chainsaw around. Regularly inspect the saw chain for sharpness and tension, and lubricate the chain and guide bar as needed. By following these operating guidelines, you can ensure a safe and productive experience with your Stihl MS 251 C-BE chainsaw.
Safety Precautions
Operating a chainsaw like the Stihl MS 251 C-BE demands a high level of awareness and adherence to safety protocols. Always wear protective gear, including safety glasses, gloves, hearing protection, and chainsaw chaps. Before starting any cutting operation, assess the work area for hazards like power lines, obstacles, or uneven terrain. Avoid cutting in areas with flammable materials or near other people. Maintain a firm grip on the chainsaw with both hands and keep your body positioned away from the cutting area. Use the throttle trigger to control the chainsaw’s speed and power, avoiding sudden accelerations or decelerations. Never use the chainsaw in wet conditions. Regularly inspect the saw chain for sharpness and tension, and lubricate the chain and guide bar as needed. By taking these safety precautions seriously, you can minimize the risk of accidents and ensure a safe and enjoyable experience with your Stihl MS 251 C-BE chainsaw.
Maintenance and Care
Proper maintenance is crucial for ensuring the longevity and optimal performance of your Stihl MS 251 C-BE chainsaw. After each use, clean the chainsaw thoroughly, removing any sawdust, debris, or fuel spills. Regularly inspect the air filter, spark plug, and fuel lines for signs of wear or damage. Replace these components as needed. The saw chain should be sharpened frequently, using a round file and following the manufacturer’s recommendations for angle and depth. Check the chain tension regularly and adjust it accordingly. Keep the fuel tank topped up with fresh, high-quality fuel. Store the chainsaw in a dry, well-ventilated area when not in use, and always disconnect the spark plug before performing any maintenance. Follow the manufacturer’s instructions for oil changes and other routine maintenance tasks. By adhering to a consistent maintenance schedule, you can ensure your Stihl MS 251 C-BE chainsaw operates smoothly and reliably for years to come.
Chain Sharpening
Keeping your Stihl MS 251 C-BE chainsaw chain sharp is essential for safe and efficient cutting. A dull chain can cause kickback, increase cutting effort, and produce uneven cuts. Sharpening the chain is a relatively simple process that can be done with a few basic tools. Use a round file specifically designed for chain sharpening, and follow the manufacturer’s recommendations for angle and depth. Sharpen the cutters in a consistent pattern, removing only a small amount of material with each stroke. Always maintain the correct chain tension after sharpening to ensure proper cutting performance and minimize the risk of damage to the guide bar. Regular chain sharpening will significantly extend the life of your chain and provide optimal cutting results.
Fuel and Oil
Using the correct fuel and oil mixture is crucial for the optimal performance and longevity of your Stihl MS 251 C-BE chainsaw. Always use a high-quality, unleaded gasoline with a minimum octane rating of 89. Mix the gasoline with Stihl 2-stroke oil in the ratio specified by the manufacturer, typically 50⁚1 or 40⁚1. Never use automotive oil or other types of oil as they can damage the engine. Store fuel in a clean, approved container and avoid mixing old fuel with new fuel. Regularly check the fuel level and top it off before starting the chainsaw. Use Stihl BioPlus 2-stroke oil for optimal performance and reduced emissions. Keep the oil tank filled with Stihl bar and chain oil to lubricate the chain and guide bar, preventing excessive wear and friction.
Cleaning and Storage
Regular cleaning and proper storage are essential for maintaining the performance and lifespan of your Stihl MS 251 C-BE chainsaw. After each use, remove any debris, sawdust, or dirt from the air filter, chain, guide bar, and engine housing. Use a brush, compressed air, or a damp cloth to clean these areas thoroughly. Avoid using water or solvents, as they can damage the chainsaw’s components. Inspect the chain brake, throttle trigger, and other controls for any signs of wear or damage. When not in use, store the chainsaw in a dry, well-ventilated area, preferably in a protective case or bag. Empty the fuel tank before storage to prevent fuel deterioration and potential hazards. Apply a light coating of oil to the chain and guide bar to prevent corrosion. Follow these cleaning and storage guidelines to ensure your chainsaw remains in optimal condition for years to come.
Troubleshooting
While the Stihl MS 251 C-BE is a reliable chainsaw, occasional issues can arise. If your chainsaw experiences problems, refer to this troubleshooting guide for common issues and solutions. If the engine won’t start, check the fuel level, spark plug condition, and air filter cleanliness; If the chainsaw starts but stalls, inspect the carburetor settings and ensure proper fuel flow. If the chain is not cutting efficiently, sharpen the chain or inspect the guide bar for damage. If you encounter excessive vibration, check for loose components or a worn chain tensioner. If the chain brake isn’t engaging correctly, ensure the brake lever is properly adjusted and free of debris. In case of persistent issues, consult the user manual or contact a qualified Stihl service technician for professional assistance.
Spare Parts and Accessories
To ensure optimal performance and longevity of your Stihl MS 251 C-BE, it’s crucial to use genuine Stihl spare parts and accessories. Stihl offers a wide range of replacement parts, including chains, guide bars, spark plugs, air filters, fuel filters, and various other components. For enhanced safety and convenience, consider investing in Stihl accessories such as protective gear, including helmets, gloves, and chaps, as well as carrying cases for convenient transport and storage. When ordering spare parts, always provide the model number of your chainsaw for accurate identification and compatibility. Stihl authorized dealers are the best source for genuine spare parts and accessories, ensuring quality and proper fit for your chainsaw.
Warranty Information
Stihl provides a comprehensive warranty on its products, including the MS 251 C-BE chainsaw. The specific warranty terms and conditions may vary depending on your location and the date of purchase. For detailed information on the warranty coverage, duration, and any applicable exclusions, refer to the warranty booklet that came with your chainsaw or visit the official Stihl website. It’s important to note that proper maintenance and use of the chainsaw are essential for maintaining warranty validity. In case of any defects or malfunctions within the warranty period, contact your local Stihl authorized dealer or service center for assistance and repair. They will help you navigate the warranty process and ensure your chainsaw is restored to optimal working condition.
The Stihl MS 251 C-BE chainsaw is a powerful and versatile tool that can handle a wide range of tasks, from cutting firewood to pruning trees. Its user-friendly design, powerful engine, and safety features make it a reliable choice for both professionals and homeowners. By following the instructions outlined in this manual, you can ensure the safe and efficient operation of your chainsaw, maximizing its performance and extending its lifespan. Regular maintenance, including chain sharpening, fuel and oil checks, and cleaning, is crucial for maintaining optimal performance and preventing potential issues. Remember to always prioritize safety when using any power tool, and never hesitate to contact your local Stihl dealer or service center for any questions or assistance. With proper care and attention, your Stihl MS 251 C-BE chainsaw will serve you well for many years to come.
FAQ
Here are some frequently asked questions about the Stihl MS 251 C-BE chainsaw⁚
What does CBE stand for on a Stihl? CBE stands for “Comfort, Easy2Start, and Quick Chain Tensioning.” This indicates that the chainsaw is designed for ease of use and comfort, featuring a quick chain tensioning system and an Easy2Start feature that makes starting the engine easier.
How much does a Stihl MS 250 cost? The price of a Stihl MS 250 chainsaw can vary depending on the retailer and current market conditions. However, you can expect to find it priced around $559.90 or more.
How to start a Stihl MS 180? To start a Stihl MS 180 chainsaw, first, ensure the fuel tank is full and the chain brake is engaged. Next, prime the carburetor by pressing the primer bulb several times. Then, move the choke lever to the full choke position. Pull the starter cord firmly until the engine fires. Once the engine starts, slowly move the choke lever to the half choke position and allow the engine to warm up. Finally, engage the throttle lever and release the chain brake to begin cutting.
What does CBE stand for on a Stihl?
The letters “CBE” on a Stihl chainsaw model designation represent specific features and design elements that enhance the user experience. “C” stands for “Comfort,” indicating that the chainsaw is designed with ergonomic features for ease of use and reduced fatigue. “B” stands for “Quick Chain Tensioning,” which refers to the chainsaw’s convenient system for adjusting chain tension without requiring tools. Finally, “E” stands for “Easy2Start,” a feature that simplifies the starting process, making it easier to get the chainsaw running. Therefore, a Stihl chainsaw with “CBE” in its model designation is likely to be a user-friendly, comfortable, and easily-operated machine.
How much does a Stihl MS 250 cost?
The cost of a Stihl MS 250 chainsaw can vary depending on several factors, including the retailer, the specific configuration of the chainsaw, and any promotions or discounts that may be available. However, as a general guideline, you can expect to pay around €559.90 for a new Stihl MS 250 chainsaw. This price reflects the chainsaw’s robust build quality, powerful engine, and reliable performance, which make it a popular choice for both professional and home users. It’s always advisable to compare prices from different retailers and consider any additional accessories that may be required for your specific needs to ensure you’re getting the best value for your investment.
How to start a Stihl MS 180?
Starting a Stihl MS 180 chainsaw is a straightforward process. First, ensure the chain brake is engaged and the fuel tank is filled with a mixture of gasoline and two-stroke oil. Next, prime the carburetor by pressing the primer bulb several times until fuel is visible in the transparent fuel line. Now, set the choke lever to the “choke” position and engage the ignition switch. Pull the starter cord briskly until the engine coughs to life. Then, move the choke lever to the “run” position and continue pulling the starter cord until the engine starts running smoothly. Once the engine is running, engage the throttle and let it warm up for a few minutes before beginning to cut. Remember to always wear protective gear, including safety glasses, gloves, and hearing protection, when operating a chainsaw.
