What’s the problems with Stihl MS 400 and how to do?

If you’re experiencing problems with your Stihl MS 400 chainsaw, it’s time to take it in for servicing. Here are some common problems and solutions.


When did the Stihl MS 400 come out?

The Stihl MS 400 saw its debut in 2017 and quickly became one of the most popular trimmers on the market. It has played an important role in the industry and forestry since it came. 

What CC is a Stihl MS 400 ?

A Stihl MS 400 is a gas-powered chain saw that has a 3.5 inch cutting capacity. It has a 66.8 cc engine and can cut through hardwood, pine, and other types of wood.

What’s the MS 400 C-M specification?

  • Displacement: 66,8 cm³
  • Power output: 4/5,4 kW/bhp
  • Weight: 5,8 kg
  • Power-to-weight ratio: 1,45 kg/kW
  • Sound pressure level: 107 dB(A)
  • Sound power level: 118 dB(A)
  • Vibration level left/right: 3,5/3,5 m/s²
  • Saw chain pitch: 3/8″

How many horsepower does a MS 400 CM have?

The Stihl MS 400 has a power rating of 410 horsepower. This is a powerful engine that is perfect for general forestry use, woodcutting, and other similar uses.

How much does a MS 400 C-M weight?

The Stihl MS 400 weighs 5.8 kg, or 12.8 lbs. This weight can vary depending on the model of the saw, as well as the saw’s accessories. For example, the weight of the Stihl MS 400 with a saw chain and guide bar can range from 6.3 kg to 7.1 kg.

The weight of the saw is an important consideration for many users, as it can affect the saw’s maneuverability and ease of use. For instance, a saw that is too heavy may be difficult to control, while a saw that is too light may vibrate excessively.

Stihl MS 400

What chain does the MS 400 C-M have from the factory?

The Stihl MS 400 comes with a 3/8″ PM3 saw chain as standard. This is a mid-range chain that is suitable for a variety of tasks, including felling small trees and cutting through branches. It is a good all-round chain that will give you good results without being too aggressive.

How big of a bar can you put on a Stihl MS400 ?

There are a few different types of bars that can be used on the Stihl MS 400. The most common type is the standard bar, which is typically between 18 and 24 inches long. The size of the bar you can use will depend on the model of the saw and the type of chain that is being used.

How much is a Stihl MS400 ?

The Stihl MS 400 is a chainsaw that is popular for its powerful engine and durability. It typically retails for around $1,000, although the price may vary depending on the retailer and location.

Where to find Stihl MS 400C for sale?

If you’re looking for a Stihl MS 400 for sale, there are a few different ways that you can find Stihl MS 400 for sale. One way is to look online. You can find many online retailers that sell this chainsaw. Another way is to check your local hardware store or home improvement store. Many of these stores sell this chainsaw as well.

You might also be able to find a good deal on a used model if you’re willing to do a little digging. However, it’s important to make sure that you’re getting a quality product, so be sure to do your research before making a purchase.

Does the Stihl MS 400C come with a case?

The Stihl MS 400 is a popular lawn mower that comes with a case. The case is an important part of the machine, as it helps protect the machine from damage and makes it easier to transport. However, some people have reported problems with the case.

If the case won’t close or opens suddenly, try tightening the screws that hold it together. If that doesn’t work, there may be a problem with the springs inside the case. Try replacing the springs if you can find them or buying a new case.

If your machine has trouble starting up, check to see if there is enough fuel in the tank. Make sure you have filled it up at least half way with gasoline before using it for the first time. If that doesn’t solve the problem, try cleaning out any debris that may be clogging up the engine’s carburetor.


How to reset the Stihl MS 400?

If you need to reset the Stihl MS 400, the first thing you need to do is locate the carburetor. The carburetor is located on the side of the engine, and it is responsible for regulating the air and fuel mixture that goes into the engine. Once you have located the carburetor, you need to find the adjustment screws. These screws are located on the top of the carburetor, and they are used to adjust the air and fuel mixture.

The next step is to turn the adjustment screws until the engine is running smoothly. If the engine is still running rough, you may need to increase the amount of fuel that is being delivered to the engine. To do this, you will need to turn the fuel mixture screw clockwise. Once the engine is running smoothly, you can turn the adjustment screws back to their original position.

Stihl MS 400

How to calibrate a Stihl MS 400 CM?

It’s important to keep your Stihl MS 400 running at peak performance, and part of that is making sure it’s properly calibrated. While it’s not a difficult process, it is important to follow the steps carefully in order to get accurate results.

  1. Start by consulting the owner’s manual for your specific model of Stihl MS 400. This will give you the proper settings for your saw.
  2. Next, use a feeler gauge to measure the gap between the saw’s piston and the cylinder wall. This measurement should be taken at the top, middle, and bottom of the piston.
  3. Once you have the measurements, use a wrench to adjust the screws that hold the piston in place. The goal is to get the piston as close to the cylinder wall as possible without actually touching it.
  4. Finally, check the carburetor for proper mixture settings. This can be done by using a carburetor adjustment tool or by consulting the owner’s manual.

Following these steps will ensure that your Stihl MS 400 is properly calibrated and running at peak performance.

How to adjust the carburetor on a Stihl MS 400 C-M?

Assuming you are referring to the Stihl MS 400 chainsaw, the following is a step-by-step guide on how to adjust the carburetor:

  1. Locate the carburetor adjustment screws on the side of the carburetor. These are typically labeled “H” for high speed and “L” for low speed.
  2. Using a screwdriver, turn the “H” screw clockwise until it is tight.
  3. Turn the “L” screw counter-clockwise until it is tight.
  4. Start the chainsaw and let it idle for a few minutes.
  5. If the chainsaw is still running rough, turn the “H” screw counter-clockwise until it is loose. Turn the “L” screw clockwise until it is loose.
  6. Repeat steps 2-5 until the chainsaw runs smoothly.

How to replace bar oil pump for Stihl MS 400C ?

Assuming you have a Stihl MS 400 chainsaw, the process for replacing the bar oil pump is as follows:

  1. Remove the bar and chain from the chainsaw.
  2. Unscrew the bar oil pump cap from the chainsaw body.
  3. Remove the old bar oil pump from the chainsaw body.
  4. Install the new bar oil pump into the chainsaw body.
  5. Screw the bar oil pump cap back onto the chainsaw body.
  6. Reattach the bar and chain to the chainsaw.


MS 400 C-M: Not to start

If your Stihl MS 400 chainsaw won’t start, there are a few things you can do to try to fix the problem. First, check the fuel mixture to make sure it is correct. If it is, then check the spark plug to see if it is fouled. If it is, clean it and try again. If the problem still persists, then you may need to take the chainsaw to a certified Stihl dealer for service.

MS 400 C-M: Loud noise 

In this section, we’ll discuss some of the Stihl MS 400 ‘s most common noise problems and how to easily solve them.

The fan belt has come off the motor. If you’re experiencing a lot of noise from your Stihl MS 400 , chances are the fan belt has come off the motor. This is an easy fix if you have a replacement belt available: simply replace the belt and you’re back in business! If you don’t have a replacement belt handy, try gently rethreading the motor shaft using a wrench or pliers.

The carburetor needs cleaning or adjustingIf your machine is making excessive noise and doesn’t seem to be cutting as well as it used to, it may be time for the carburetor to get cleaned or adjusted. Many times, this issue can be resolved by visiting a professional mechanic who can adjust the carburetor according to your specific needs. If that doesn’t work, consider replacing the carburetor entirely.

Stihl MS 400

MS 400 C-M: Slow wheels 

If your Stihl MS 400 has slow wheels, there are a few things you can do to speed it up. One option is to adjust the tension on the chain. This can be done by loosening the screws that hold the chain in place and then tightening or loosening the tensioner until the chain is tight or loose enough.

Another option is to adjust the fuel mixture. This can be done by adding more or less oil to the gas tank. The final option is to adjust the carburetor. This can be done by turning the screws on the carburetor until the engine runs at the desired speed.

The End

We hope that this article has helped you to better understand the potential problems that can occur with the Stihl MS 400. As always, it is important to consult with a professional before attempting any repairs on your own. However, we hope that this article has given you a better understanding of what to look for and how to fix some of the most common issues.