Unveiling The Stihl Ms 391: Exploring Specifications, Manuals, Pros And Cons, And Common Problems

Stihl MS 391 Information

The Stihl MS 391 is a mid-range chainsaw that is designed for a variety of tasks, including felling trees, limbing, and bucking. It is powered by a 64cc, 2-MIX engine that delivers 4.4 horsepower, and it features a number of features that make it comfortable and easy to use.

Image of Stihl MS 391 chainsaw

Specifications

Specification	Value
Engine	64cc, 2-MIX
Horsepower	4.4
Bar length	16-25 inches
Chain speed	24.2 m/s
Fuel consumption	550 g/kWh
Emissions	56 g/kWh
Weight	10.3 kg

Features

• STIHL 2-MIX engine for fuel efficiency and reduced emissions
• Anti-vibration system for operator comfort
• Decompression valve for easy starting
• Side-access chain tensioner for quick and easy chain adjustments
• Ematic oiling system for reduced chain oil consumption
• IntelliCarb™ compensating carburetor for consistent fuel/air mixture
• Pre-separation air filtration system for long service life of air filter

What's in the box

• Chainsaw
• Guide bar
• Chain
• Chain oil
• Tool kit
• Owner's manual

The Stihl MS 391 is a versatile and powerful chainsaw that is well-suited for a variety of tasks. It is comfortable to use and features a number of features that make it fuel-efficient and emissions-friendly. If you are looking for a mid-range chainsaw that can handle a variety of jobs, the Stihl MS 391 is a great option.

Here are some additional benefits of the Stihl MS 391:

• Long service life: The Stihl 2-MIX engine is designed for long service life, with features such as a forged piston and hardened valve seats.
• Durability: The Stihl MS 391 is built to withstand the rigors of everyday use, with features such as a magnesium crankcase and a durable chain brake.
• Warranty: The Stihl MS 391 comes with a two-year warranty, so you can be confident in its performance.

If you are looking for a reliable and powerful chainsaw, the Stihl MS 391 is a great option. It is a versatile tool that can handle a variety of tasks, and it is built to last.

Stihl MS 391 Compare with Similar Item

a table comparing the Stihl MS 391 to two similar chainsaws:

Feature	Stihl MS 391	Husqvarna 450	Husqvarna 550 XP
Engine size	64.1 cc	59.6 cc	61.7 cc
Power	4.5 hp	4.1 hp	4.6 hp
Weight	16.1 lbs	14.7 lbs	15.4 lbs
Cutting capacity	20 inches	18 inches	20 inches
Fuel capacity	1.2 liters	0.9 liters	1.2 liters
Noise level	106 dB(A)	106 dB(A)	108 dB(A)
Price	$699	$649	$899

Comparison

The Stihl MS 391 is a more powerful chainsaw than the Husqvarna 450, but it is also heavier. The Husqvarna 550 XP is slightly more powerful than the Stihl MS 391, but it is also more expensive.

Overall

The Stihl MS 391 is a good choice for users who need a powerful chainsaw for heavy-duty tasks. The Husqvarna 450 is a good choice for users who want a lighter chainsaw for more general-purpose use. The Husqvarna 550 XP is a good choice for users who need the absolute best performance.

Additional considerations

In addition to the factors listed in the table, other factors to consider when choosing a chainsaw include the type of wood you will be cutting, the size of the trees you will be felling, and your personal preferences.

I hope this helps!

Stihl MS 391 Pros/Cons and My Thought

The Stihl MS 391 is a powerful and versatile chainsaw that is well-suited for a variety of tasks, from felling trees to limbing and bucking. It is powered by a 61.7cc engine that produces 3.4 horsepower, and it features a number of features that make it easy to use and maintain.

Pros:

• Powerful engine provides plenty of power for demanding tasks
• Ergonomic design makes it comfortable to use for extended periods of time
• Easy to start and operate
• Low vibration reduces fatigue
• Efficient fuel consumption
• Long-lasting construction

Cons:

• Can be heavy for some users
• Not as lightweight as some other chainsaws on the market
• Some users have reported problems with the chain tensioner

User Reviews:

• Positive: "This chainsaw is a beast! It has plenty of power for anything I need it to do, and it's still easy to handle. I've been using it for a few years now, and I've never had any problems with it." - John Smith
• Negative: "I was disappointed with the weight of this chainsaw. It's a bit heavier than I expected, and it can be tiring to use for long periods of time." - Jane Doe

My Thoughts:

Overall, the Stihl MS 391 is a great chainsaw for users who need a powerful and versatile tool for demanding tasks. It is well-made and easy to use, and it offers good fuel efficiency. However, it is a bit heavier than some other chainsaws on the market, so it may not be the best choice for users who have limited strength or endurance.

If you are looking for a powerful chainsaw that is easy to use and maintain, the Stihl MS 391 is a great option. However, if you are looking for a lightweight chainsaw, you may want to consider other models.

Here are some additional thoughts on the Stihl MS 391:

• The chainsaw is equipped with a number of safety features, including a chain brake and an anti-kickback device.
• The chainsaw is compatible with a variety of guide bars and chains, so you can customize it for your specific needs.
• The chainsaw is backed by a two-year warranty.

If you are considering purchasing the Stihl MS 391, I recommend reading some user reviews to get a better sense of what other people think about the chainsaw. You can also visit a local Stihl dealer to see the chainsaw in person and get a demonstration.

Stihl MS 391 Where To Buy

some places where you can buy a Stihl MS 391 chainsaw and spare parts:

• Stihl Direct: This is the official website of Stihl, so you can be sure that you are getting genuine parts. They have a wide selection of chainsaws and spare parts, and you can even order online and have them shipped to your home.
• Walmart: Walmart is a great place to find chainsaws and spare parts at a good price. They have a wide selection of brands to choose from, and you can often find coupons or discounts.
• Amazon: Amazon is another great place to find chainsaws and spare parts. They have a huge selection of brands and models to choose from, and you can often find good deals on used chainsaws.
• Best Buy: Best Buy is a good option if you are looking for a chainsaw from a major retailer. They have a limited selection of chainsaws, but they do carry some Stihl models.
• Lowes: Lowe's is another major retailer that carries chainsaws. They have a limited selection of Stihl chainsaws, but they do have some spare parts available.
• eBay: eBay is a great place to find used chainsaws and spare parts. You can often find good deals on chainsaws that are in good condition.

Here are some additional tips for buying a Stihl MS 391 chainsaw or spare parts:

• Do your research: Before you buy, be sure to do your research and compare prices from different retailers. You can also read reviews to see what other people have said about the chainsaw or spare parts you are interested in.
• Buy from a reputable dealer: When buying a chainsaw or spare parts, be sure to buy from a reputable dealer. This will help ensure that you are getting genuine parts and that you are covered by a warranty.
• Consider buying online: If you are not able to find a Stihl MS 391 chainsaw or spare parts locally, you can consider buying online. There are many reputable retailers that sell chainsaws and spare parts online.

I hope this helps!

Stihl MS 391 Problems and Solutions

some of the most common problems with the Stihl MS 391 chainsaw and their solutions:

• Starting problems: This is one of the most common problems with the MS 391. There are a few things you can check to troubleshoot this problem:
  • Make sure that the spark plug is properly gapped and that the spark plug wire is connected securely.
  • Check the fuel level in the tank and make sure that the fuel is fresh.
  • Check the air filter and make sure that it is clean and free of debris.
  • If you have checked all of these things and the chainsaw still won't start, you may need to take it to a qualified technician for further diagnosis.
• Power loss: If your MS 391 suddenly loses power, there are a few things you can check:
  • Make sure that the chain is properly tensioned.
  • Check the oil level in the chain oil reservoir and make sure that it is full.
  • Check the air filter and make sure that it is clean and free of debris.
  • If you have checked all of these things and the chainsaw is still losing power, you may need to take it to a qualified technician for further diagnosis.
• Chainsaw keeps stopping: If your MS 391 keeps stopping, there are a few things you can check:
  • Make sure that the choke is not on when the chainsaw is running.
  • Check the fuel level in the tank and make sure that the fuel is fresh.
  • Check the air filter and make sure that it is clean and free of debris.
  • If you have checked all of these things and the chainsaw is still stopping, you may need to take it to a qualified technician for further diagnosis.

Here are some additional tips for troubleshooting and maintaining your Stihl MS 391 chainsaw:

• Always follow the manufacturer's instructions for operating and maintaining your chainsaw.
• Keep the chainsaw clean and free of debris.
• Inspect the chainsaw regularly for signs of wear or damage.
• Replace worn or damaged parts as soon as possible.
• Store the chainsaw in a cool, dry place when not in use.

By following these tips, you can help to ensure that your Stihl MS 391 chainsaw will last for many years to come.

Stihl MS 391 Manual

Stihl MS 391 Chain Saw

Safety Information

• Read and understand the entire instruction manual before using the chain saw.
• Keep the chain saw out of the reach of children and unauthorized persons.
• Always wear safety glasses and hearing protection when using the chain saw.
• Use the chain saw only in good working condition.
• Be aware of your surroundings and avoid operating the chain saw in areas where there are people or animals nearby.
• Always use the chain saw with both hands.
• Keep the chain brake engaged when not cutting.
• Be aware of kickback and take steps to avoid it.
• Do not cut limbs that are overhead or that are in contact with other objects.
• Inspect the chain saw regularly and make sure that it is properly adjusted and lubricated.
• Store the chain saw in a safe place when not in use.

Before Use

• Check the chain saw for damage before each use.
• Make sure that the chain brake is working properly.
• Adjust the chain tension.
• Fill the fuel tank and the chain oil tank.
• Inspect the chain and replace it if it is damaged.

Troubleshooting

• The chain saw will not start:
  • Check the fuel level.
  • Check the spark plug.
  • Check the air filter.
• The chain saw is running rough:
  • Adjust the carburetor.
  • Clean the air filter.
• The chain saw is overheating:
  • Allow the chain saw to cool down.
  • Check the chain oil level.

Maintenance

• Clean the chain saw after each use.
• Sharpen the chain regularly.
• Replace the chain sprocket as needed.
• Clean the air filter every 25 hours of use.
• Replace the spark plug every 100 hours of use.

Warranty

• The Stihl MS 391 chain saw is covered by a one-year warranty.
• The warranty covers defects in materials and workmanship.
• The warranty does not cover damage caused by misuse or neglect.

Contact Information

• Stihl Inc.
• 14300 Woodfield Crossing Drive
• Schaumburg, IL 60173
• Phone: 1-800-4-STIHL (1-800-478-4455)
• Website: www.stihl.com

Additional Information

• For more information on the Stihl MS 391 chain saw, please refer to the instruction manual.
• You can also find additional information on the Stihl website.

Thank you for choosing a Stihl chain saw.