Stihl ms 391 chainsaw: 18 problems and faqs

If you’re a owner of a Stihl MS 391 chainsaw, you may eventually run into some problems. In this article, we’ll go over some of the most common problems and questions that owners have. Hopefully this will help you fix any issues you’re having and get back to using your chainsaw.

When did the Stihl ms 391 come out?

The Stihl ms 391 saw release in 2001 and quickly became a popular choice for homeowners looking for an easy-to-use, powerful chainsaw. The ms 391 is a gas-powered chainsaw that features automatic start and stop, an easy to read intercom display, and a durable aluminum frame. This chainsaw is perfect for both residential and commercial use, making it the perfect choice for anyone looking for an efficient, reliable tool.

What CC is a Stihl ms 391?

The Stihl ms 391 has a 25.4 cc engine, which is equivalent to 1.5 horsepower. This makes it a great choice for medium to heavy duty tasks around the home or farm.

How many horsepower does a ms 391 have?

The Stihl MS 391 has a quoted power of 395 horsepower. This is the most powerful engine in the MS 390 line, and it features updated technologies for improved performance. The 391 also comes with a number of other features, such as an electronic fuel injection system and a high-capacity oil tank.

How much does a ms 391 weight?

The Stihl MS 391 chainsaw weighs in at 11.3 pounds, which is on the heavier side for a chainsaw. However, the weight is evenly distributed throughout the saw, making it easy to handle. The weight also helps to give the saw more power, making it a good choice for heavier duty jobs.

What chain does the Stihl ms391 have from the factory?

The Stihl MS 391 chainsaw has a manufacturing plant in Germany. The Stihl ms 391 comes with a 3/8″ Picco saw chain from the factory. This chain is designed for use with the Stihl ms 391 saw.

What’s the Stihl ms391 max bar length?

The Stihl MS 391 Max Bar Length is the longest bar on the market and can reach up to 46 inches. This bar has a variety of uses, such as mulching, clearing brush and cutting firewood. The MS 391 Max also has a longer handle for easier handling.

How much is a Stihl 391?

Stihl ms 391 prices can vary depending on where you purchase them and what retailers you use. However, on average, a Stihl ms 391 will cost you between $350 and $450.

Stihl ms 391 chainsaw

Where to find Stihl 391 for sale?

If you’re looking for a reliable, powerful MS391 chainsaw, then you’ll want to check out local dealerships. However, if you’re on a budget, don’t worry – there are plenty of online options as well. Here’s a roundup of the best places to buy stihl ms 391 chainsaws in 2017:

  • Amazon: If you’re looking for an easy way to purchase a chainsaw, Amazon is always a good option. You can find stihl ms 391 chainsaws here, as well as other popular brands. Just make sure to read the reviews first!
  • Home Depot: Home Depot is another great place to look for stihl ms 391 chainsaws. They have a wide selection of both new and used models, so you’re sure to find one that fits your needs.

How to reset the Stihl ms 391?

The Stihl ms 391 is a gas-powered chainsaw that is known for its durability and performance. However, like all machines, it can sometimes experience problems. If the machine is not working properly, there are a few steps that can be taken to reset it.

The first step is to ensure that the fuel is properly lit. If the fuel is not lit, the engine will not start. Next, make sure that the chain is properly tensioned. If the chain is not properly tensioned, the saw will not start. Finally, check to make sure that the safety features are properly engaged. If any of these steps are not properly performed, the saw will not start.

How to adjust the carburetor on a Stihl ms 391?

When carburetor adjustment is needed on a Stihl MS 391, follow these steps:

  1. Disconnect the spark plug wire.
  2. Turn the screw on top of the carburetor adjustment needle by hand until you reach your desired idle speed.
  3. Reconnect the spark plug wire and close the choke valve.
  4. Re-engage the clutch pedal and pull back on the throttle fully to return to normal operation.

How to adjust the chain tensioner on Stihl ms391?

If the chain tensioner on your Stihl MS 391 cannot seem to get the correct tension from the chain, there are a few adjustments you can make to get it tightened up. The first is to make sure it is properly installed on the bar. Next, use a wrench to adjust the screw that tightens and loosens the tensioner. Lastly, check that the belt is in good condition by pushing and pulling on it while it’s clamped between two points.

What fuel mix to use for the Stihl ms391?

The stihl ms 391 is a popular forestry saw that requires different types of fuel to run correctly. The three most common fuels used with the ms 391 are gasoline, diesel, and kerosene. Each fuel has its own advantages and disadvantages, so it’s important to choose the right mix for the job.

Gasoline is the most common fuel used with the ms 391, and it has many advantages. It’s cheap and easy to find, and it runs well on most surfaces. However, gasoline can be volatile and explosive, so care must be taken when using it. Diesel is a more expensive option than gasoline, but it has several benefits. Diesel is more fuel-efficient than gasoline, so it saves money in long-term use.

Stihl ms 391

Stihl ms 391 chainsaw: Not to start

The Stihl ms 391 has been one of the most popular chainsaws in the market for many years. However, there have been some problems with this saw that users may want to be aware of. This article will discuss some of the common issues and their solutions.

One common problem is that the chain can break easily. This can happen if the user does not properly maintain or tension the chain. To prevent this from happening, it is important to keep a proper chain oil level and to tension the chain properly every time you use the saw.

Another common issue is that the barbs on the blade can get clogged with foliage or wood shavings. If this happens, it can cause significant damage to your saw. To avoid this, it is important to clean your saw regularly and make sure that all barbs are installed correctly.

Stihl ms 391 chainsaw: Loud noise

If you are experiencing loud noise from your Stihl ms 391 chainsaw, there are a few things you can do to try and resolve the issue. First, make sure that the chain is properly lubricated. This will help to reduce the noise and provide better performance.

If the lubricant is not working, you may need to replace the chain. Chain wear can cause loud noise from your chainsaw. If the chain is excessively worn, it can start to make noise when the saw is in use. In some cases, the chain may need to be replaced altogether.

If the chain is not the issue, you may need to check the carburetor or muffler. These components can also cause loud noise from your chainsaw. If the noise is coming from the saw, there are likely some other issues that need to be addressed.

Stihl ms 391: Suddenly dies while cutting

I own a Stihl ms 391 chainsaw. I have had it for about two years, and it has always worked great until now. It suddenly dies while I am cutting, and I can’t seem to figure out what is wrong. Here are some of the things that I have tried and you can do this also:

  1. Replace the spark plug with a new one
  2. Check the fuel pump
  3. Clean the air filter
  4. Remove the EGR valve
  5. Check the oil level
  6. Replace the chain

If all of these solutions doesn’t work, you may need to consult the dealers!

Stihl ms 391: Engine loses power gradually

The Stihl ms 391 gas-powered chain saw is a popular choice for homeowners and professionals. However, there are several problems that can occur with this machine. One of the most common problems with the Stihl ms 391 engine is that it loses power gradually. This can be due to a number of factors, such as dirty air filters, clogged air intake ports, or worn out piston rings.

In many cases, simply cleaning these areas will fix the issue and restore power to the engine. If this does not solve the problem, then it may be necessary to replace the entire engine. Replacing the engine should only be considered if there is significant damage done to it over time.

Stihl ms 391 chainsaw: The chain tends to be loose

Stihl ms 391 chain tends to be loose, which could lead to a loss of power and possible injury. There are a few things that you can do to tighten the chain and avoid this issue.

  1. Check the tensioner. The first step is to check the tensioner. This is a device that helps to tighten the chain. If it is not properly tensioned, the chain will be loose. Check the tensioner by rotating it clockwise and anticlockwise. If the chain is loose, the tensioner will not be able to tighten it.
  2. Check the drive wheel. If the tensioner is not the problem, the next step is to check the drive wheel. This is the wheel that transmits the power to the chain. Make sure it is properly installed and aligned. If it is not, the chain will be loose.
  3. Check the linkages. If the drive wheel and linkages are not the problem, the next step is to check the linkages. These are the links that connect the chain to the sprockets. Make sure they are properly attached and aligned. If they are not, the chain will be loose.

If the chain is loose, it will lead to a loss of power and possible injury. By following these steps, you can keep your Stihl ms 391 in good condition and avoid any issues.

Stihl ms 391 chainsaw: Oiler on chainsaw is not working

If the oiler on your Stihl ms 391 chainsaw is not working, you can try the following:

  1. Check the oil level. Make sure the oil is at the proper level and is not leaking.
  2. Clear the oil filter. If the filter is clogged, the oil will not flow properly and the chainsaw will not work.
  3. Check the oil pump. If the oil pump is not working, the chainsaw will not work.
  4. Check the oil lines. If the lines are clogged, the chainsaw will not work.

Stihl ms 391


If you’re having trouble with your Stihl ms 391, don’t worry – you’re not alone. Many people have had problems with this chain saw, and there are some common issues that can be easily fixed. Check out this list of FAQs to see if your problem can be solved, or consult a professional if you’re still having trouble.