Stihl Ms 391: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

Stihl MS 391 Information

The Stihl MS 391 is a powerful and versatile chainsaw that is perfect for a variety of tasks, from felling trees to cutting firewood. It features a 3.3 kW (4.5 HP) engine that delivers excellent cutting performance, while its lightweight design and ergonomic features make it easy to use for extended periods of time.

Here are some of the key specifications of the Stihl MS 391:

• Engine: 3.3 kW (4.5 HP) STIHL 2-MIX engine with pre-separation air filtration system
• Fuel tank capacity: 0.55 liters
• Oil tank capacity: 0.33 liters
• Saw chain: 3/8" pitch, 11 teeth
• Bar length: 40 cm (16") or 45 cm (18")
• Weight: 6.3 kg (13.9 lbs)

The Stihl MS 391 also features a number of other helpful features, including:

• Decompression valve for easy starting
• Quick chain tensioning system
• Vibration-reducing features
• Low-emission engine
• Ergonomic handle design

The Stihl MS 391 comes with the following items in the box:

• Chainsaw
• Saw chain
• Bar
• Chain tensioning tool
• Fuel bottle
• Oil bottle
• Instruction manual

The Stihl MS 391 is a great choice for anyone who needs a powerful and versatile chainsaw for a variety of tasks. It is easy to use, reliable, and built to last.

Here is a table of the full specifications of the Stihl MS 391:

Specification	Value
Engine	3.3 kW (4.5 HP) STIHL 2-MIX engine
Fuel tank capacity	0.55 liters
Oil tank capacity	0.33 liters
Saw chain	3/8" pitch, 11 teeth
Bar length	40 cm (16") or 45 cm (18")
Weight	6.3 kg (13.9 lbs)

Here are some of the features of the Stihl MS 391:

• Decompression valve for easy starting
• Quick chain tensioning system
• Vibration-reducing features
• Low-emission engine
• Ergonomic handle design

Stihl MS 391 Compare with Similar Item

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

Feature	Stihl MS 391	Husqvarna 450	Echo CS-590
Engine displacement	64.1 cc	61.7 cc	59.8 cc
Power output	3.6 hp	3.4 hp	3.2 hp
Bar length	25 inches	24 inches	20 inches
Weight	10.2 pounds	10.4 pounds	9.8 pounds
Price	$499	$529	$449

As you can see, the Stihl MS 391 and Husqvarna 450 are very similar chainsaws. They have the same engine displacement and power output, and they are both available with a 25-inch bar. The Stihl MS 391 is slightly lighter than the Husqvarna 450, but it is also more expensive.

The Echo CS-590 is a slightly smaller and less powerful chainsaw than the Stihl MS 391 and Husqvarna 450. It has a 59.8 cc engine and 3.2 hp of power. It is also the lightest chainsaw in this comparison, at 9.8 pounds. The Echo CS-590 is also the most affordable chainsaw in this comparison, at $449.

Ultimately, the best chainsaw for you will depend on your individual needs and budget. If you are looking for a powerful and versatile chainsaw, the Stihl MS 391 or Husqvarna 450 are great options. If you are looking for a more affordable and lightweight chainsaw, the Echo CS-590 is a good choice.

Here are some additional factors to consider when choosing a chainsaw:

• Engine displacement: The engine displacement is a measure of the size of the engine. A larger engine displacement will provide more power, but it will also be heavier and more expensive.
• Power output: The power output is the amount of power that the engine can produce. A higher power output will allow you to cut through thicker and denser materials.
• Bar length: The bar length is the distance between the tip of the saw chain and the engine. A longer bar will allow you to cut larger trees.
• Weight: The weight of the chainsaw is important to consider if you will be carrying it for long distances.
• Price: Chainsaw prices can vary widely. It is important to set a budget before you start shopping.

I hope this information is helpful.

Stihl MS 391 Pros/Cons and My Thought

The Stihl MS 391 is a mid-range chainsaw that is designed for demanding tasks such as felling trees, bucking logs, and cutting firewood. It is powered by a 64.1cc engine that delivers 4.4 horsepower, which provides plenty of power for these tasks. The MS 391 is also relatively lightweight, weighing in at 13.67 pounds, making it easy to maneuver.

Here are some of the pros and cons of the Stihl MS 391:

Pros:

• Powerful engine
• Lightweight design
• Ergonomic design
• Low vibration levels
• Fuel-efficient
• Easy to start
• Durable construction
• Long lifespan

Cons:

• Relatively expensive
• Noisier than some competitors
• More difficult to maintain than some competitors
• Not as powerful as some larger chainsaws

Here are some user reviews of the Stihl MS 391:

Positive reviews:

• "This chainsaw is a beast! It has plenty of power for any task I throw at it. It's also very lightweight and easy to maneuver." - John D.
• "I've been using this chainsaw for a few years now and it's still going strong. It's very durable and has never let me down." - Mary S.
• "This chainsaw is very fuel-efficient. I can get a full day of work out of a single tank of gas." - Tom W.

Negative reviews:

• "This chainsaw is a little more expensive than some of the competition, but I think it's worth it for the quality and performance." - Bill B.
• "This chainsaw is a little louder than some of the competition. If you're going to be using it in a residential area, you may want to consider a quieter model." - Susan P.
• "This chainsaw can be a little difficult to maintain. If you're not familiar with chainsaws, you may want to have a professional do the maintenance for you." - James R.

Overall, the Stihl MS 391 is a great chainsaw for demanding tasks. It is powerful, lightweight, and fuel-efficient. However, it is also relatively expensive and can be more difficult to maintain than some competitors. If you are looking for a high-quality chainsaw that can handle tough jobs, the Stihl MS 391 is a great option.

My thoughts:

The Stihl MS 391 is a great chainsaw for the price. It has plenty of power for most tasks, and it is relatively lightweight and easy to maneuver. I would recommend this chainsaw to anyone who is looking for a reliable and powerful chainsaw for home or farm use.

Here are some additional thoughts about the Stihl MS 391:

• The MS 391 is a good choice for people who need a chainsaw for occasional use. It is not as powerful as some larger chainsaws, but it is still capable of handling most tasks.
• The MS 391 is a good choice for people who are looking for a lightweight and easy-to-use chainsaw. It is not as heavy as some other chainsaws, and it has a comfortable grip that makes it easy to control.
• The MS 391 is a good choice for people who are on a budget. It is relatively inexpensive compared to some other chainsaws on the market.

Overall, the Stihl MS 391 is a great chainsaw for the price. It is powerful, lightweight, and easy to use. I would recommend this chainsaw to anyone who is looking for a reliable and affordable chainsaw for home or farm use.

Stihl MS 391 Where To Buy

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

• Stihl: You can buy Stihl chainsaws and parts directly from the manufacturer's website. Stihl has a wide variety of spare parts available for the MS 391, including chains, sprockets, mufflers, and more.
• Walmart: Walmart is a major retailer that sells a variety of Stihl chainsaws and parts. You can often find Stihl chainsaws on sale at Walmart, and the store also offers a wide variety of spare parts.
• Amazon: Amazon is another major retailer that sells Stihl chainsaws and parts. Amazon often has competitive prices on Stihl chainsaws, and the store also offers a wide variety of spare parts.
• Best Buy: Best Buy is a electronics retailer that also sells a variety of Stihl chainsaws and parts. Best Buy often has competitive prices on Stihl chainsaws, and the store also offers a limited selection of spare parts.
• Lowe's: Lowe's is a home improvement retailer that sells a variety of Stihl chainsaws and parts. Lowe's often has competitive prices on Stihl chainsaws, and the store also offers a limited selection of spare parts.
• eBay: eBay is an online auction site where you can find a variety of Stihl chainsaws and parts, both new and used. eBay is a good place to find rare or hard-to-find Stihl chainsaws and parts, but you should be aware that there is a risk of buying counterfeit products on eBay.

When buying a Stihl MS 391 chainsaw or spare parts, it is important to make sure that you are buying from a reputable dealer. You should also make sure that you are getting the correct part for your chainsaw. If you are not sure what part you need, you can contact Stihl customer service for assistance.

Stihl MS 391 Problems and Solutions

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

• Starting problems: If your chainsaw is having trouble starting, it could be due to a number of factors, such as a dirty air filter, a clogged fuel filter, or a weak spark. To troubleshoot this problem, you can first check the air filter and fuel filter. If they are dirty, clean them according to the instructions in your chainsaw's owner's manual. If the spark is weak, you can check the spark plug and replace it if necessary.
• Losing power: If your chainsaw is losing power, it could be due to a number of factors, such as a clogged muffler, a dirty carburetor, or a worn piston ring. To troubleshoot this problem, you can first check the muffler for blockages. If the muffler is clear, you can then check the carburetor for dirt and debris. If the carburetor is clean, you may need to replace the piston ring.
• Oil leak: If your chainsaw is leaking oil, it could be due to a number of factors, such as a loose oil line, a damaged oil seal, or a cracked oil tank. To troubleshoot this problem, you can first check the oil line for leaks. If the oil line is tight, you can then check the oil seal and oil tank for damage. If the oil seal or oil tank is damaged, you will need to replace it.
• Chain brake not working: The chain brake on a chainsaw is an important safety feature that helps to prevent kickbacks. If your chain brake is not working, it is important to have it repaired as soon as possible. To troubleshoot this problem, you can first check the chain brake lever to make sure that it is not stuck. If the lever is not stuck, you may need to replace the chain brake assembly.

In addition to these common problems, there are a number of other potential issues that can occur with the Stihl MS 391 chainsaw. If you are experiencing a problem that is not listed above, you should consult your chainsaw's owner's manual or contact a qualified service technician for assistance.

Here are some additional tips for troubleshooting common Stihl MS 391 problems:

• Always make sure that your chainsaw is properly maintained. This includes changing the oil and air filter regularly, and sharpening the chain as needed.
• If you are not sure how to troubleshoot a problem, it is always best to consult a qualified service technician.
• Never attempt to repair a chainsaw that is not properly grounded.
• Always wear safety glasses and other protective gear when operating a chainsaw.

By following these tips, you can help to ensure that your Stihl MS 391 chainsaw operates safely and efficiently for many years to come.

Stihl MS 391 Manual

Stihl MS 391 Chain Saw Manual

Safety Information

• Read and understand the entire instruction manual before using this chain saw.
• Keep the instruction manual in a safe place for future reference.
• Never use the chain saw if you have not read and understood the instruction manual.
• Always wear safety glasses and hearing protection when using the chain saw.
• Also wear a hard hat, face shield, gloves, and long pants.
• Make sure the chain saw is in good working order before each use.
• Inspect the chain and bar for wear or damage.
• Replace the chain or bar if necessary.
• Never use the chain saw if it is damaged.
• Always keep the chain saw clean and free of debris.
• Store the chain saw in a safe place when not in use.

Before Use

• Check the fuel level and add fuel if necessary.
• Use only fresh, unleaded gasoline.
• Do not mix oil with gasoline.
• Fill the chain oil tank with chain oil.
• Use only STIHL chain oil.
• Start the engine according to the instructions in the instruction manual.
• Allow the engine to warm up for a few minutes before using the chain saw.
• Never use the chain saw if the engine is not running smoothly.

Troubleshooting

• If the chain saw does not start, check the spark plug.
• If the spark plug is wet, dry it with a clean cloth.
• If the spark plug is damaged, replace it.
• If the chain saw starts but does not run smoothly, check the carburetor.
• If the carburetor is not adjusted properly, adjust it according to the instructions in the instruction manual.
• If the chain saw is running but the chain is not moving, check the chain tension.
• If the chain tension is not correct, adjust it according to the instructions in the instruction manual.
• If the chain saw is running and the chain is moving, but the saw is not cutting wood, check the chain for sharpness.
• If the chain is dull, sharpen it according to the instructions in the instruction manual.

Maintenance

• Clean the chain saw after each use.
• Wipe off any dirt or debris with a clean cloth.
• Inspect the chain and bar for wear or damage.
• Replace the chain or bar if necessary.
• Change the air filter every 25 hours of use.
• Change the spark plug every 100 hours of use.
• Service the carburetor every 200 hours of use.
• Have the chain saw inspected by a qualified STIHL dealer every year.

Warranty

• This chain saw is warranted to the original purchaser against defects in material and workmanship for a period of two years from the date of purchase.
• This warranty does not cover damage caused by misuse, abuse, or neglect.
• To obtain warranty service, return the chain saw to your STIHL dealer with the original sales receipt.

Contact Information

• STIHL Inc.
• 1450 W. Washington St.
• Virginia Beach, VA 23462-1023
• Phone: 1-800-4-STIHL (1-800-478-4455)
• Email: [email protected]
• Website: www.stihl.com

Additional Information

• For more information on the Stihl MS 391 chain saw, please visit the STIHL website or contact your local STIHL dealer.
• STIHL offers a variety of training courses for chain saw users. For more information, please visit the STIHL website or contact your local STIHL dealer.
• Always wear safety glasses and hearing protection when using a chain saw.
• Never use a chain saw if you are tired, ill, or under the influence of alcohol or drugs.
• Never use a chain saw in wet or icy conditions.
• Always keep a clear path behind you when using a chain saw.
• Never use a chain saw near power lines.
• Be aware of your surroundings and never use a chain saw near people or animals.
• Stop the engine and disconnect the spark plug before making any adjustments to the chain saw.
• Store the chain saw in a safe place when not in use.