Stihl MS 251 C: The Potential problems and How to solve easily?

This article will take an in-depth look at the problems associated with Stihl MS 251 C chainsaw, as well as easy solutions to fix these problems.

Stihl MS 251 C FAQs

When did the Stihl MS 251 C come out?

The Stihl MS 251 C was released in 2014. It is a powerful and efficient chainsaw that is perfect for cutting through thick trees and logs. It has a long bar and a powerful engine, making it easy to cut through even the toughest of materials.

What CC is a Stihl MS 251 C?

The MS 251 C-BE is a mid-size saw with a powerful 45.6 cc engine. It features a low-emission engine, to help reduce your impact on the environment. It also has a tool-free chain tensioning system, making it easy to keep your chain tight and your saw running smoothly.

What’s the MS 251 C specification?

  • Power: Source Gas
  • Powerhead Weight: 11.5 lbs.
  • Guide Bar Length: 18 in.
  • Oilomatic Chain: .325″ RM3
  • Chain Oil Capacity: 6.7 oz.
  • Engine Power: 3.0 bhp
  • Fuel Capacity: 13.2 oz.
  • Displacement: 45.6 cc

How many horsepower does a MS 251 C have?

The Stihl MS 251 C is a chainsaw that is often used for forestry and tree felling. It is a very powerful saw and has a lot of horsepower. In terms of exact numbers, the Stihl MS 251 C has 2.6 horsepower. This power is generated by the engine and allows the saw to cut through thick tree trunks and branches with ease.

Stihl MS 251 C

How much does a Stihl 251 C weight?

The Stihl MS 251 C is a lightweight chainsaw that is easy to maneuver. It weighs 11.5 pounds without the bar and chain, and 12.1 pounds with the bar and chain, making it one of the lightest saws in its class. The MS 251 C is also equipped with an anti-vibration system that reduces operator fatigue.

What chain does the Stihl 251 C have from the factory?

The Stihl MS 251 C comes with a 3/8″ PM3 saw chain from the factory. This is a low-kickback chain that is ideal for use with this saw. The Stihl MS 251 C also comes with a Picco Micro 3 (PM3) saw chain. This chain is designed for use with smaller saws like the MS 251 C. It is a low-kickback chain that is safe to use.

How big of a bar can you put on a Stihl MS 251C?

If you’re looking to do some serious cutting with your Stihl MS 251 C, you’re going to need a bar that’s up to the task. The good news is that the MS 251 C can accommodate bars up to 18 inches in length. So if you need to cut through some thick branches or fell a small tree, you’ll be able to do it with this saw. Just make sure that you’re using the correct chain and bar for the job, as using a bar that’s too long for the saw can be dangerous.

What’s the Stihl MS 251C max bar length?

The Stihl MS 251 C-BE is a powerful and versatile chainsaw that can handle a variety of tasks, from felling trees to trimming branches. It has a maximum bar length of 18 inches, which makes it ideal for larger cutting jobs. The MS 251 C-BE also has a number of features that make it easy to use, including an automatic chain oiler and a tool-free chain tensioner.

How much is a Stihl MS251 C?

With all of that said, a basic Stihl MS 251 C chain saw with a 18-inch bar and no extra features will typically cost between $300 and $350. If you want a saw with a longer bar or additional features, you can expect to pay more. For example, a saw with a 20-inch bar and an automatic chain oiler might cost around $450. Ultimately, the best way to know how much a particular saw will cost is to consult with a local dealer or retailer.

Where to find Stihl MS251 C for sale?

If you’re looking for a Stihl MS 251 C for sale, your best bet is to check out your local home improvement store. Many of these stores carry a wide variety of different brands and models of chainsaws, so you should be able to find one that meets your needs. You can also check online retailers like for a wide selection of chainsaws, including the Stihl MS 251 C.

Does the Stihl MS 251 C come with a case?

The Stihl MS 251 C comes with a case, but it’s not very protective. If you’re going to be using the saw for a long time, you’ll want to get a better case. There are many options available, and the best one depends on your specific needs.

Stihl MS 251 C

Stihl MS 251 C Intructions

1. How to reset the Stihl MS 251 C-BE?

First, make sure that the chainsaw is turned off. Next, find the red reset button on the chainsaw. The button is located on the side of the chainsaw, near the top.

Press and hold the reset button for about three seconds. You should hear a click when the button is released. This indicates that the chainsaw has been reset.

Now, you’re ready to start using your chainsaw again. Thanks for reading, and we hope this blog post has been helpful.

2. How to adjust the carburetor on a Stihl MS 251 C-BE?

To adjust the carburetor on a Stihl MS251 C-BE:

  1. Disconnect the spark plug wire from the spark plug.
  2. Open the fuel petcock and screw it all the way in toward the engine. If there is no fuel petcock, open the throttle all of the way using your hand.
  3. Turn the choke knob counterclockwise until it stops, then turn it clockwise one notch to increase air flow. If there is no choke knob, leave it in the off position.
  4. Close both spark plugs by inserting their wires back into their connectors and tighten them down with a wrench or socket.
  5. Start the engine and let it warm up for a few minutes before trying to start it again; this will help purge any gas that may have accumulated in the carburetor during adjustments.

3. How to replace bar oil pump for Stihl MS 251 C-BE?

If you are experiencing problems with your Stihl MS 251 C gas or oil pump, then it is time to replace the unit. This guide will show you how to do this in both simple and easy steps.

  1. First, you need to remove the cover of the machine. You will see two screws on either side of the cover. Remove these screws and unhook the cover from the machine.
  2. Additionally, you need to remove the oil pump unit from the machine. There are four screws that hold it in place. Once these screws have been removed, take off the oil pump unit. Be sure to save all of the parts so that you can reattach them correctly when replacing the pump.
  3. Next, you will need to purchase a new oil pump unit. Make sure that it is compatible with your Stihl MS 251 C model by checking its dimensions against those listed in this guide.
  4. Once you have bought your new pump, remove the old one from your machine and install the new one in its place. Be sure to tighten all of the bolts and screws before rehooking up the cover of your machine and reinstalling it onto the body of your lawnmower.

4. How tight should the chain be on Stihl MS 251 C-BE?

The chain should be tight enough that the bar won’t fall off, but not so tight that it binds or makes noise. If the chain is too loose, it will wear down quickly and cause problems with the machine. On the other hand, if the chain is too tight, it can damage components. To adjust the chain, use a screwdriver to loosen one of the screws on the front of the chain sprocket.

Stihl MS 251 C Problems

Stihl MS 251 c-be with Loud noise 

If your Stihl MS 251 C is making loud noise, there are a few things you can do to try and fix the problem. First, check the air filter to see if it is clean. If it is dirty, clean it and see if that helps. If the air filter is clean, check the spark plug to see if it is fouled. If it is, clean it and try again. If neither of these solutions works, you may need to take the saw to a qualified service center for further diagnosis.

Stihl MS 251 c-be with Slow wheels 

If you’re having trouble with your Stihl MS 251 C, one possible issue is that the wheels are spinning too slowly. There are a few things you can do to try to fix this issue.

First, check to see if the chain is properly lubricated. If it’s not, then lubricate it according to the manufacturer’s instructions. Next, check to see if the chain tension is too loose. If it is, then tighten it according to the manufacturer’s instructions. If neither of those solutions solves the problem, then you may need to replace the saw’s drive sprocket. Consult the manufacturer’s instructions or a qualified repair person for more information on how to do this.

Suddenly stop while cutting with Stihl MS 251 c-be

If you’re using a Stihl MS 251 C and it suddenly stops while you’re cutting, don’t panic. There are a few things you can check to troubleshoot the issue.

  1. First, check the saw’s chain. If the chain is dull or damaged, it can cause the saw to stop. Be sure to check the chain regularly and sharpen or replace it as needed.
  2. If the chain is in good condition, the next thing to check is the air filter. A dirty air filter can restrict air flow to the engine, causing the saw to stop. Clean or replace the air filter as needed.
  3. Finally, check the fuel mix. If the fuel mix is too rich or too lean, it can cause the saw to stop. Be sure to use the correct fuel mix for your saw.

If you can’t resolve the issue, take the saw to a qualified technician for service.

Stihl MS 251 C


In this article, we’ve discussed some of the common issues of Stihl MS251 C-BE chainsaw and offer easy solutions. Hopefully, by reading this article you will be able to troubleshoot any issues you might encounter with your chainsaw and get it up and running like new again.