If you are a chainsaw user, you know that having a reliable and efficient Saw is essential. The Stihl MS 170 is a popular chainsaw model among homeowners, due to its lightweight, compact design and easy-to-use features.
However, like any power tool, it can encounter problems that may affect its performance and durability. In this Guide, I will discuss some of the most common Stihl MS 170 problems, their causes, and solutions.
Stihl Ms170 Problems and Solutions
Ms170 Starting Problem
One of the most common problems with the Stihl MS 170 chainsaw is poor starting performance. If you are having difficulty starting the chainsaw, the following issues may be the cause:
Clogged Air Filter
A clogged air filter can prevent air from entering the engine, making it difficult to start. To solve this issue, remove the air filter and clean it with compressed air or a brush. If the filter is too dirty or damaged, replace it with a new one.
Dirty Spark Plug
A dirty or worn-out spark plug can also affect starting performance. If the spark plug is dirty, clean it with a wire brush or replace it with a new one.
Fuel Problems
Fuel-related issues such as using stale or contaminated fuel, or not mixing the oil and gas properly, can cause starting problems. Ensure that you are using fresh fuel and mixing it according to the manufacturer’s instructions.
Ms 170 Stalling or Shutting Down
If your Stihl MS 170 chainsaw is stalling or shutting down unexpectedly, the following issues may be the cause:
Carburetor Problems
The carburetor is responsible for mixing fuel and air in the engine. If it is clogged or damaged, the chainsaw may stall or shut down. Clean or replace the carburetor if necessary.
Ignition System Problems
A faulty ignition system can also cause the chainsaw to stall or shut down. Check the spark plug and ignition module to ensure they are functioning correctly.
Chain Malfunction
A chain malfunction can cause the chainsaw to stop working correctly, and the following issues may be the cause:
Dull Chain
A dull chain can affect cutting performance and cause the chainsaw to work harder, leading to engine problems. Sharpen the chain regularly to ensure it is cutting efficiently.
Chain Tension Issues
If the chain is too loose or too tight, it can affect cutting performance and damage the chainsaw. Adjust the chain tension according to the manufacturer’s instructions.
Guide Bar Problems
Worn or damaged guide bars can affect the chain’s alignment and cause cutting problems. Replace the guide bar if necessary.
Poor Cutting Performance
If the Stihl MS 170 chainsaw is not cutting correctly, the following issues may be the cause:
Blunt Chain
A blunt chain can affect cutting performance and damage the chainsaw. Sharpen the chain regularly to ensure it is cutting efficiently.
Clutch Issues
A worn-out clutch can affect the chainsaw’s power and cause cutting problems. Replace the clutch if necessary.
Excessive Vibration Problems
Excessive vibration can be uncomfortable and potentially dangerous when using a chainsaw. The following issues may be the cause:
Chain Brake Malfunction
A malfunctioning chain brake can cause excessive vibration. Check the chain brake to ensure it is functioning correctly.
Cracked Crankcase
A cracked crankcase can cause excessive vibration and damage the chainsaw. Replace the crankcase if necessary.
Maintenance Of Stihl Ms 170
To avoid Stihl MS 170 problems, it is essential to perform regular maintenance. Here are some tips:
- Clean the air filter regularly
- Sharpen the chain regularly
- Adjust the chain tension according to the manufacturer’s instructions
- Use fresh fuel and mix it according to the manufacturer’s instructions
- Check and replace the spark plug as needed
- Clean or replace the carburetor as needed
Final Words
The Stihl MS 170 is a reliable and efficient chainsaw, but like any power tool, it can have problems. By understanding the common issues and their causes, you can troubleshoot and solve problems quickly and efficiently. Performing regular maintenance can also help prevent issues from occurring.
Common FAQs
What type of fuel does the Stihl MS 170 use?
The Stihl MS 170 uses a 50:1 gasoline/oil mixture.
How often should I clean the air filter of Ms 170?
You should clean the air filter after every 5-10 hours of use.
How often should I sharpen the chain Of Ms 170?
sharpen the chain after every 3-5 hours of use.
Can I use any type of chain on the Stihl MS 170?
No, you should only use chains that are compatible with the Stihl MS 170.
How often should I perform preventive maintenance on my Stihl MS 170?
You should perform preventive maintenance on your Stihl MS 170 after every 50-60 hours of use.
I am John, a Chainsaw and small engine technician! Over the years, I have gained valuable experience in the industry, allowing me to refine my skills and knowledge to offer exceptional advice for all your small engine and chainsaw requirements. Whether it’s routine maintenance or complex repairs, I possess the expertise to accomplish the task efficiently and effectively. I take pride in delivering top-notch information,
