The Stihl MS 261 C-M chainsaw is a powerful, reliable tool used to cut through thick branches and logs. However, like any other tool, the Stihl MS 261 C-M can experience some common problems that can cause it to malfunction. In this article, we’ll take a look at 10 common issues that can arise with this chainsaw, as well as some helpful tips on how to quickly fix them.
1. Starting failure
Stihl MS 261 C-M chainsaws are known for their excellent performance and dependability. However, like any other chainsaw, they can experience starting issues due to a variety of factors. In this article, we will discuss why Stihl MS 261 C-M chainsaws may be experiencing starting failure, as well as how to fix them.
- The most common cause is a dirty or worn spark plug. The spark plug is responsible for igniting the fuel in the engine, and if it is not working properly, the engine will not start. To fix this issue, you should check the spark plug for any signs of wear or dirt and replace it if necessary.
- Another common cause is a clogged air filter. The air filter is responsible for allowing air to enter the engine, and if it is clogged, it can prevent the engine from starting. To fix this issue, you should check the air filter for any signs of dirt or debris and clean or replace it if necessary.
- Finally, starting failure on Stihl MS 261 C-M chainsaws can also be caused by a faulty fuel filter. The fuel filter is responsible for ensuring that only clean fuel is entering the engine, and if it is clogged or damaged, it can prevent the engine from starting. To fix this issue, you should check the fuel filter for any signs of dirt or debris and replace it if necessary.
2. Improper iding
The Stihl MS 261 C-M is a great saw for the right user, but it can also be a difficult saw to properly operate. If you are not properly iding the saw, you can run into problems. Here are a few common problems and how to fix them.
Problems with the Blade
If the blade is not properly ided, it can cause the saw to vibrate excessively. This can lead to problems with the blade, such as blade wear and even blade breakage. To fix this problem, you need to properly align the blade to the saw arm.
Problems with the Motor
If the motor is not properly ided, it can also cause the saw to vibrate excessively. This can lead to problems with the blade, such as blade wear and even blade breakage. To fix this problem, you need to properly align the motor to the saw arm.
Problems with the Saw Arm
If the saw arm is not properly ided, it can also cause the saw to vibrate excessively. This can lead to problems with the blade, such as blade wear and even blade breakage. To fix this problem, you need to properly align the saw arm to the motor.
3. Stihl MS 261 C-M PROBLEMS with A smoky odor wHile cutting
When using the Stihl MS 261 C-M chainsaw, it is not uncommon to experience a smoky odor while cutting. This is due to the combustion process and is normal. However, if the smoky odor is excessive, it could be a sign of a problem with the chainsaw. If the smoky odor is particularly strong, it is worth checking the air filter, spark plug, and fuel lines for potential issues.
The air filter may need to be replaced if it is clogged with dirt and debris. The spark plug may need to be replaced if it is covered in soot or carbon deposits. Finally, the fuel lines may need to be inspected for any blockages or leaks. If all of these components are in good condition, then it may be that the chainsaw is not getting enough air or fuel, which could lead to a smoky odor. In this case, it is worth checking the carburetor to make sure it is properly adjusted.
Finally, if the problem persists, it is worth taking the chainsaw to a professional for further inspection and repair. They will be able to diagnose the issue and make the necessary repairs.
4. Stihl MS 261 C-M PROBLEMS with Weak acceleration
If you’re experiencing weak acceleration when using your Stihl MS 261 C-M chainsaw, there are a few things you can do to try and fix the issue. First, make sure that the chain is properly lubed and that the engine is running smoothly.
If the chain is properly lubed and the engine is running smoothly, it’s likely that the problem lies with the engine itself. In this case, you’ll need to take your chainsaw to a professional to have it checked out. If the engine is the problem, it may be possible to fix it yourself. However, if the engine is beyond repair, you’ll need to take your chainsaw to a professional.
5. Insufficient air inside the engine
One potential issue with the Stihl MS 261 C-M is that the engine may not be getting enough air. If the engine isn’t getting enough air, it can result in low performance, difficulty starting, and increased fuel usage.
There are a few things you can do to check if the engine is getting enough air. One way to check is to use an air pressure gauge to see if the pressure is above the manufacturer’s recommended levels. If the pressure is below the recommended levels, you may need to replace the air filter. If the pressure is within the recommended levels, but the engine is still not performing optimally, you may need to check the engine air intake.
If the engine air intake is failing, you may need to replace the air filter or the air intake housing. If the air intake is not the issue, you may need to adjust the air flow settings on the engine.
6. Stihl MS 261 C-M PROBLEMS with Descreased fuel supply
The Stihl MS 261 C-M fuel supply desecrated issue is a common one for many homeowners and gardeners. This problem can often be fixed by following a few simple steps.
The first step is to identify the problem. If the machine is not starting, there may be a problem with the fuel supply. If the machine is starting but not running smoothly, there may be a problem with the engine. The second step is to troubleshoot the issue. This can involve checking the fuel line, the carburetor, the engine, and the spark plugs.
If the issue cannot be resolved, the third step is to replace the fuel supply. This can be a relatively easy task, and it can save the machine from becoming unusable.
7. Faulty Fuel Supply
If you are experiencing issues with your Stihl MS 261 C-M chainsaw’s fuel supply, there is a good chance that the problem is due to a faulty fuel pump. In this article, we will discuss what causes a faulty fuel pump in a chainsaw and how to fix it.
When a chainsaw’s fuel pump fails, the fuel can no longer flow into the engine. This can cause the chainsaw to stop working or to start misfiring. If the chainsaw is not fixed quickly, it could even start to overheat, which could lead to a serious problem.
To identify the cause of a failing fuel pump in a Stihl MS 261 C-M chainsaw, you will first need to determine if the pump is working properly. To do this, you will need to remove the fuel tank from the chainsaw and check the level of fuel in the tank. If the level of fuel is low, it is likely that the pump is not working.
If the pump is not the source of the problem, you may still be able to fix the chainsaw by replacing the fuel pump. To do this, you will need to remove the chainsaw’s fuel pump assembly from the engine. Once the assembly is removed, you will need to replace the faulty pump with a new one. If the pump is the source of the problem, you will need to repair or replace the fuel pump assembly.
8. Faulty Spark Plugs
The Stihl MS 261 C-M is a gas powered chainsaw that has been known to have faulty spark plugs. Faulty spark plugs can cause the chainsaw to not start, to overheat, and to have decreased performance.
To check if your Stihl MS 261 C-M has faulty spark plugs, first start the chainsaw and let it warm up. Next, use a spark plug tester to check the spark plug sockets. If one of the spark plug sockets is not lighting up, then your Stihl MS 261 C-M may have a faulty spark plug. To replace the spark plug, follow these steps:
- Turn the chainsaw off.
- Remove the spark plug cap.
- Remove the spark plug.
- Clean the spark plug hole with a spark plug cleaning rod.
- Install the spark plug using the correct torque specification.
- Replace the spark plug cap.
- Turn the chainsaw on.
9. The wood smokes or smells burnt while using the saw
You may sometimes notice that the wood smokes or smells burnt while using your MS 261. This issue might occur when the saw’s chain is dull or incorrectly sharpened. Moreover, nothing can prevent your chainsaw from developing this serious problem if you use it incorrectly. Additionally, insufficient bar and chain oil can be the source of this problem.
If you sharpen the chain appropriately, you can simply solve this problem. Moreover, don’t forget to seek instruction on proper working procedures. If you encounter the same problem when using the saw, contact an authorized STIHL service dealer to have the chain lubricated.
10. Stihl MS 261 C-M PROBLEMS with Chain
Having issues with chains in Stihl chainsaws is now a common complaint from the users. Thus, the users of Stihl MS 261 can also sometimes face problems with the chain while working with the saw. When the throttle is opened, the chain does not work properly. This problem occurs because of the engaged chain brake and blocked guide bar sprocket. However, if you do tension the chain, the problem can easily appear.
Disengage the chain brake if you no longer wish to have problems with the chain. Remember to use resin remover on the guide bar sprocket. If you do not tighten the chain correctly, it causes issues at any time. Thus, tensioning the chain on your MS 261 is a mandatory task to complete before starting using the saw.
The Stihl MS 261 C-M chainsaw is a powerful and reliable tool for homeowners and professionals alike. With regular maintenance and troubleshooting, it can perform flawlessly for many years. By understanding the most common issues and their easy solutions, users can keep their chainsaw running at its best. With a little know-how and the right tools, anyone can tackle these issues and keep their Stihl MS 261 C-M running smoothly.