Stihl Ms 251: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting

Stihl MS 251 Information

The Stihl MS 251 is a powerful and versatile chainsaw that is perfect for a variety of tasks, from felling small trees to limbing and bucking. It features a 2.2 kW (3.0 HP) 2-MIX engine that delivers excellent fuel efficiency and reduced emissions, as well as a comfortable and ergonomic design that makes it easy to use for extended periods of time.

Here is an overview of the Stihl MS 251:

Engine: 2-MIX, 45.6 cc
Power: 2.2 kW (3.0 HP)
Fuel efficiency: Up to 20%
Emissions: 50% less than previous models
Weight: 4.8 kg
Bar length: 16" to 40"
Features: Master Control Lever, anti-vibration system, tool-free chain tensioning, long-life air filter system

Specifications:

Specification	Value
Engine type	2-MIX
Engine displacement	45.6 cc
Power output	2.2 kW (3.0 HP)
Fuel efficiency	Up to 20%
Emissions	50% less than previous models
Weight	4.8 kg
Bar length	16" to 40"
Chain speed	Up to 23 m/s
Noise level	103 dB(A)
Vibration level	3.9 m/s²

Features:

Master Control Lever: A single lever that controls the throttle, choke, and chain brake.
Anti-vibration system: Reduces vibration to the operator's hands and arms, making for a more comfortable and fatigue-free experience.
Tool-free chain tensioning: Makes it easy to adjust the chain tension without the need for tools.
Long-life air filter system: Extends the service life of the air filter by capturing larger particles of dirt before they reach the filter element.

What's in the box:

Stihl MS 251 chainsaw
16" guide bar and chain
Chain oil bottle
Tool kit
Owner's manual

The Stihl MS 251 is a great choice for anyone who needs a powerful and versatile chainsaw for a variety of tasks. It is fuel-efficient, emissions-friendly, and easy to use, making it a great option for both homeowners and professionals.

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

The type of work you will be doing: If you will be doing a lot of felling, you will need a chainsaw with a more powerful engine. If you will be doing mostly limbing and bucking, you can get away with a less powerful chainsaw.
The size of the trees you will be working on: The bar length of the chainsaw will determine the size of the trees you can cut. A longer bar will allow you to cut larger trees, but it will also be more difficult to control.
Your budget: Chainsaw prices can range from a few hundred dollars to several thousand dollars. It is important to set a budget before you start shopping so that you do not overspend.

I hope this information is helpful. Please let me know if you have any other questions.

Stihl MS 251 Compare with Similar Item

a table comparing the Stihl MS 251 with similar chainsaws:

Feature	Stihl MS 251	Husqvarna 450 Rancher	Echo CS-590
Engine displacement	45.6 cc	50 cc	51.7 cc
Power output	2.2 kW	2.3 kW	2.4 kW
Chain speed	24 m/s	23.5 m/s	25 m/s
Guide bar length	46 cm	46 cm	45 cm
Weight	6.7 kg	7.1 kg	7.2 kg
Price	$450	$500	$550

Comparison

The Stihl MS 251 is a mid-range chainsaw that is well-suited for homeowners and light commercial users. It is powerful enough to handle most cutting tasks, but it is also lightweight and easy to use. The Husqvarna 450 Rancher is a similar chainsaw that is slightly more powerful and has a larger guide bar. The Echo CS-590 is a more affordable option that is still capable of handling most cutting tasks.

Verdict

The Stihl MS 251 is a good choice for homeowners and light commercial users who are looking for a powerful and easy-to-use chainsaw. The Husqvarna 450 Rancher is a better choice for users who need a more powerful chainsaw with a larger guide bar. The Echo CS-590 is a good budget option for users who are looking for a reliable chainsaw without breaking the bank.

Additional considerations

In addition to the features listed in the table, other factors to consider when choosing a chainsaw include:

The type of cutting you will be doing. If you will be doing a lot of limbing and felling, you will need a chainsaw with more power. If you will be doing mostly pruning, you can get away with a less powerful chainsaw.
The size of the trees you will be cutting. If you will be cutting large trees, you will need a chainsaw with a longer guide bar.
Your budget. Chainsaw prices can range from a few hundred dollars to over a thousand dollars. Decide how much you are willing to spend before you start shopping.

I hope this helps!

Stihl MS 251 Pros/Cons and My Thought

The Stihl MS 251 is a lightweight, easy-to-use chainsaw that is perfect for homeowners who need to trim or prune small trees and cut firewood. It features a powerful 2.05 horsepower engine that delivers smooth, efficient performance. The MS 251 also has a number of features that make it easy to use, such as an ergonomic design, a low-vibration system, and an easy-start mechanism.

Here are some of the pros and cons of the Stihl MS 251:

Pros:

Lightweight and easy to use
Powerful 2.05 horsepower engine
Smooth, efficient performance
Ergonomic design
Low-vibration system
Easy-start mechanism
Reduced-emission engine technology
Built in the USA

Cons:

Not suitable for heavy-duty cutting projects
Lacks some of the more cutting-edge features of alternative options

Here are some user reviews of the Stihl MS 251:

Positive reviews:

"This chainsaw is perfect for my needs. It's lightweight and easy to use, and it has enough power to get the job done."
"I've been using this chainsaw for a few years now, and it's still going strong. It's a great value for the price."
"I love the low-vibration system on this chainsaw. It makes it much easier to use for long periods of time."

Negative reviews:

"I wish this chainsaw had a longer bar. I'm limited to cutting smaller trees with it."
"I would have liked to see a few more cutting-edge features on this chainsaw, such as an electronic chain brake."

Overall, the Stihl MS 251 is a great chainsaw for homeowners who need a lightweight, easy-to-use tool for trimming or pruning small trees and cutting firewood. It's not suitable for heavy-duty cutting projects, but it's a quality-made product that will likely last for many years.

My thoughts:

I think the Stihl MS 251 is a great chainsaw for the price. It's lightweight and easy to use, and it has enough power to get the job done for most homeowners. I would recommend it to anyone who needs a chainsaw for basic tasks around the yard.

One thing to keep in mind is that the MS 251 is not suitable for heavy-duty cutting projects. If you need a chainsaw for felling large trees or cutting through thick branches, you'll need to look for a more powerful model.

Overall, I think the Stihl MS 251 is a great value for the price. It's a quality-made chainsaw that will last for many years. If you're looking for a lightweight, easy-to-use chainsaw for basic tasks around the yard, I highly recommend it.

Stihl MS 251 Where To Buy

some places where you can buy a Stihl MS 251 and spare parts:

Stihl Direct: This is the official website of Stihl, so you can be sure that you are buying genuine parts. They also offer a wide variety of spare parts for the MS 251, so you are sure to find what you need.
Walmart: Walmart is a great place to find a Stihl MS 251 at a good price. They often have sales on Stihl products, so you can save some money.
Amazon: Amazon is another great place to find a Stihl MS 251. They have a wide selection of chainsaws and spare parts, and you can often find good deals on Amazon.
Best Buy: Best Buy is a good option if you are looking for a Stihl MS 251 in a physical store. They have a limited selection of chainsaws, but they are usually well-stocked with spare parts.
Lowes: Lowes is another good option if you are looking for a Stihl MS 251 in a physical store. They have a wider selection of chainsaws than Best Buy, but they may not have as many spare parts.
eBay: eBay is a good place to find a Stihl MS 251 if you are looking for a used chainsaw. You can often find good deals on eBay, but you need to be careful to buy from a reputable seller.

I hope this helps!

Stihl MS 251 Problems and Solutions

The Stihl MS 251 is a popular chainsaw that is known for its durability and performance. However, even the best chainsaws can experience problems from time to time. Here are some of the most common problems with the Stihl MS 251 and how to fix them:

Problem: The chainsaw won't start.

Solution:

Check the fuel level. The fuel tank should be at least half full.
Check the spark plug. The spark plug should be clean and gapped correctly.
Check the choke. The choke should be in the "closed" position when starting the chainsaw.
Pull the starter cord slowly until you feel resistance. This will prime the fuel system.
Pull the starter cord again. The chainsaw should start.

Problem: The chainsaw starts but then stalls.

Solution:

Check the fuel level. The fuel tank should be full.
Check the spark plug. The spark plug should be clean and gapped correctly.
Check the air filter. The air filter should be clean.
Adjust the carburetor. The carburetor may need to be adjusted to provide the correct fuel/air mixture.

Problem: The chainsaw is not cutting as well as it used to.

Solution:

Check the chain. The chain should be sharp and properly tensioned.
Check the bar. The bar should be clean and free of debris.
Adjust the carburetor. The carburetor may need to be adjusted to provide the correct fuel/air mixture.

Problem: The chainsaw is smoking.

Solution:

Check the fuel. The fuel should be fresh and free of ethanol.
Check the spark plug. The spark plug may be fouled.
Check the air filter. The air filter may be clogged.
Adjust the carburetor. The carburetor may need to be adjusted to provide the correct fuel/air mixture.

If you are unable to fix the problem with your Stihl MS 251, you should take it to a qualified service technician.

Here are some additional tips for troubleshooting Stihl MS 251 problems:

Always follow the instructions in the owner's manual.
Use high-quality fuel and oil.
Keep the chainsaw clean and well-maintained.
If you are not sure how to fix a problem, take the chainsaw to a qualified service technician.

By following these tips, you can help to keep your Stihl MS 251 running smoothly for many years to come.

Stihl MS 251 Manual

Safety Information

Read the instruction manual carefully before using the chain saw.
Always wear eye protection, hearing protection, and sturdy shoes when using the chain saw.
Keep your hands and feet away from the saw chain at all times.
Do not use the chain saw if you are tired, ill, or under the influence of alcohol or drugs.
Be aware of your surroundings and avoid operating the chain saw in dangerous areas.
Never use the chain saw near flammable materials.
Stop the engine immediately if the chain saw starts to vibrate abnormally.
Inspect the chain saw regularly for wear and tear, and replace any damaged parts immediately.

Before Use

Check the fuel level and add fuel if necessary.
Fill the chain oil tank with the appropriate type of chain oil.
Inspect the chain and guide bar for wear and tear.
Sharpen the chain if necessary.
Make sure the chain brake is working properly.

Troubleshooting

If the chain saw does not start, check the fuel level and make sure the choke is in the correct position.
If the chain saw starts but stalls, check the air filter and clean it if necessary.
If the chain saw is running rough, adjust the carburetor.
If the chain saw is vibrating abnormally, stop the engine immediately and inspect the chain and guide bar for wear and tear.

Maintenance

Clean the air filter regularly.
Change the spark plug every year or 100 hours of operation, whichever comes first.
Sharpen the chain regularly.
Inspect the chain and guide bar for wear and tear and replace them as needed.
Store the chain saw in a dry, cool place.

Warranty

The Stihl MS 251 chain saw comes with a one-year limited warranty. This warranty covers defects in materials and workmanship.

Contact Information

For more information about the Stihl MS 251 chain saw, please contact:

STIHL Inc.
1440 Commerce Way
Virginia Beach, VA 23462
Phone: 1-800-453-4748
Website: www.stihlusa.com

Additional Information

The Stihl MS 251 chain saw is a lightweight and powerful saw that is ideal for a variety of cutting tasks.
The saw features a low-vibration design that helps to reduce operator fatigue.
The chain brake is a safety feature that helps to prevent kickback injuries.
The chain saw is easy to start and operate.

I hope this information is helpful. Please let me know if you have any other questions.

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