Chainsaws are essential tools for many homeowners and professionals, but they can be frustrating when they won’t start. There are a few common reasons why a chainsaw might not start, and in this blog post, we’ll discuss the most common causes and how to fix them. We’ll also provide some tips for preventing chainsaws from starting problems in the future.
Basic Reasons Why A Chainsaw Won’T Start
Here are the basic reasons why a chainsaw won’t start:
No fuel: Make sure the chainsaw has fuel and that the fuel valve is open.
Bad spark plug: Remove the spark plug and check the gap. If the gap is too wide or too narrow, adjust it accordingly. If the spark plug is fouled, clean it or replace it.
Clogged carburetor: Clean the carburetor according to the manufacturer’s instructions.
Weak or dead battery: If the chainsaw is powered by a battery, make sure the battery is charged.
Cylinder compression problem: If the chainsaw has low compression, it will not start. This could be caused by a worn piston or rings, a cracked cylinder head, or a leaking valve.
Basic Reasons Why a Chainsaw Won’t Start
1. The chain brake is engaged
The most common reason why a chainsaw won’t start is because the chain brake is engaged. This is a safety feature that prevents the chain from moving when the chainsaw is not in use. To disengage the chain brake, you will need to push the lever located on the front of the chainsaw handle.
2. The chainsaw is out of gas
Another common reason why a chainsaw won’t start is because it is out of gas. To check the gas level, look at the fuel tank. If the tank is empty, you will need to fill it up with fresh gas.
3. The spark plug is fouled
If the spark plug is fouled, it will not be able to create a spark, which is necessary to start the chainsaw. To check the spark plug, remove it from the chainsaw and examine it. If the electrodes are covered in carbon deposits, you will need to clean the spark plug with a wire brush.
4. The carburetor is dirty
If the carburetor is dirty, it will not be able to provide the correct amount of fuel and air to the engine, which can prevent the chainsaw from starting. To clean the carburetor, you will need to remove it from the chainsaw and disassemble it. Once the carburetor is disassembled, you can clean it with a carburetor cleaner.
5. The air filter is dirty
If the air filter is dirty, it will restrict the flow of air to the engine, which can also prevent the chainsaw from starting. To check the air filter, remove it from the chainsaw and examine it. If the air filter is dirty, you will need to clean it or replace it.
6. The engine is flooded
If the engine is flooded, it will not be able to start because there is too much fuel in the cylinder. To clear the flood, you will need to turn the chainsaw off and wait a few minutes for the excess fuel to evaporate. Once the excess fuel has evaporated, you can try starting the chainsaw again.
7. The starter rope is stuck
If the starter rope is stuck, it will not be able to turn the engine over, which will prevent the chainsaw from starting. To fix this problem, you will need to remove the starter rope from the chainsaw and lubricate it with a light oil. Once the starter rope is lubricated, you can try starting the chainsaw again.
8. The chainsaw is not getting enough compression
If the chainsaw is not getting enough compression, it will not be able to start. There are a few things that can cause this problem, such as a worn-out piston or rings, a cracked cylinder head, or a leaking valve. If you suspect that the chainsaw is not getting enough compression, you will need to take it to a qualified repair shop for diagnosis and repairs.
Conclusion
These are just a few of the most common reasons why a chainsaw won’t start. If you have tried all of these troubleshooting tips and your chainsaw still won’t start, you may need to take it to a qualified repair shop for diagnosis and repairs.
Also Read THis: Reasons Why Chainsaw Won’T Cut
FAQs: Basic Reasons Why a Chainsaw Won’t Start
Why won’t my chainsaw start?
There are many reasons why a chainsaw might not start. Here are some of the most common:
The chainsaw is out of gas: This is the most common reason why a chainsaw won’t start. Make sure that the chainsaw is filled with gas and that the gas cap is properly closed.
The chainsaw is not getting spark: This can be caused by a faulty spark plug, a bad spark plug wire, or a problem with the ignition switch.
The chainsaw is flooded: This can happen if you try to start the chainsaw too many times without letting it cool down. To fix this, turn the chainsaw off and let it sit for a few minutes. Then, try starting it again.
The chainsaw’s air filter is dirty: A dirty air filter can restrict airflow to the engine, making it difficult to start. Clean the air filter according to the manufacturer’s instructions.
The chainsaw’s chain is too tight: A too-tight chain can make it difficult to start the chainsaw. Loosen the chain according to the manufacturer’s instructions.
How do I fix a chainsaw that won’t start?
Once you have determined the reason why your chainsaw won’t start, you can fix it by following these steps:
1. Check the gas level: Make sure that the chainsaw is filled with gas and that the gas cap is properly closed.
2. Check the spark plug: Remove the spark plug and look for signs of damage. If the spark plug is wet, it is flooded. If the spark plug is dry, it is not getting spark. Replace the spark plug if necessary.
3. Check the spark plug wire: Inspect the spark plug wire for damage. If the wire is damaged, replace it.
4. Check the ignition switch: Turn the ignition switch to the On position and listen for a click. If you do not hear a click, the ignition switch may be faulty. Replace the ignition switch if necessary.
5. Clean the air filter: Remove the air filter and clean it according to the manufacturer’s instructions.
6. Loosen the chain: If the chain is too tight, loosen it according to the manufacturer’s instructions.
What are the safety precautions I should take when using a chainsaw?
When using a chainsaw, it is important to take the following safety precautions:
Wear proper safety gear, such as a helmet, eye protection, ear protection, gloves, and long pants:
Be aware of your surroundings and keep a firm grip on the chainsaw at all times:
Never operate a chainsaw while you are tired or under the influence of drugs or alcohol:
Never start a chainsaw with the chain touching the ground:
Never cut towards yourself or anyone else:
Keep the chain sharp and well-maintained:
Read and understand the owner’s manual before operating a chainsaw:
What are the different types of chainsaws?
There are three main types of chainsaws:
Bare-knuckle chainsaws are the most basic type of chainsaw. They are lightweight and easy to use, but they are not as powerful as other types of chainsaws.
Padded chainsaws have a padded handle that makes them more comfortable to use. They are also more powerful than bare-knuckle chainsaws.
Professional chainsaws are the most powerful type of chainsaw. They are designed for heavy-duty use and are often used by professionals.
What is the best chainsaw for me?
The best chainsaw for you depends on your needs and budget. If you are a homeowner who only needs to use a chainsaw occasionally, a bare-knuckle chainsaw is a good option. If you need a chainsaw for more frequent use, a padded chainsaw is a better choice. If you are a professional who needs a powerful chainsaw, a professional chainsaw is the best option.
