Ryobi Gas Chainsaw Won’t Start: 5 Common Causes and Fixes

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Updated in October 2025 | By John

Here’s What to Do

Your Ryobi gas chainsaw is a powerful tool that can make quick work of cutting firewood, clearing brush, and trimming trees. But when it won’t start, it can be a major pain.

In this article, I’ll walk you through the steps to troubleshoot and fix a Ryobi gas chainsaw that won’t start. I’ll cover everything from simple fixes like checking the fuel and spark plug to more complex problems like carburetor adjustments.

So if your Ryobi chainsaw is giving you trouble, read on for help getting it up and running again.

Ryobi Gas Chainsaw Won’T Start

5 Common Causes and Fixes for a Ryobi Gas Chainsaw That Won’t Start

1. Dirty or clogged carburetor:
Clean the carburetor according to the manufacturer’s instructions.

2. Spark plug is fouled or damaged:
Replace the spark plug.3. Fuel valve is closed:
Open the fuel valve.

4. Out of fuel:
Add fuel to the chainsaw.

5. Chainsaw is not getting spark:
Check the spark plug wire for damage or corrosion. Replace the spark plug wire if necessary.

Common Reasons Why Your Ryobi Gas Chainsaw Won’t Start

1. Check the Fuel

Ensure that there is fresh gasoline in the fuel tank. Stale or contaminated fuel can prevent the chainsaw from starting. It’s important to use the correct fuel-to-oil ratio as recommended by the manufacturer to avoid engine problems.

2. Inspect the Spark Plug

Inspect the spark plug for signs of wear
damage
or fouling. A faulty spark plug can hinder the ignition process
leading to starting issues. Consider cleaning or replacing the spark plug if necessary.

3. Examine the Air Filter

A clogged or dirty air filter can restrict airflow to the engine
affecting its performance. Regularly clean or replace the air filter to ensure proper air intake and combustion within the engine.

4. Check the Ignition System

Inspect the ignition system components
including the ignition coil and on/off switch
for any faults or damage. Faulty ignition components can prevent the chainsaw from starting. Address any issues with the ignition system promptly.

5. Evaluate the Carburetor

The carburetor plays a crucial role in fuel delivery to the engine. If the carburetor is clogged
damaged
or improperly adjusted
it can lead to starting problems. Clean the carburetor and ensure it is properly adjusted for optimal performance.

6. Verify the Compression

Low engine compression can be a result of worn piston rings or cylinder damage
leading to starting difficulties. Use a compression gauge to check the engine’s compression and address any underlying issues accordingly.

7. Review the Fuel System

Inspect the fuel lines
fuel filter
and fuel tank for any blockages
leaks
or damage. A compromised fuel system can impede the flow of gasoline to the engine
causing starting issues. Ensure the fuel system is clean and free from any defects.

8. Seek Professional Assistance

If troubleshooting the above factors does not resolve the starting issue
it may be best to consult a qualified technician or service center for a comprehensive diagnosis and repair of your Ryobi gas chainsaw.

Also Read THis: 1980 Craftman Chainsaw Won’T Pump Gas

FAQs: Ryobi Gas Chainsaw Won’t Start

Why won’t my Ryobi gas chainsaw start?

There are a few possible reasons why your Ryobi gas chainsaw won’t start. Here are some of the most common causes:

The chainsaw is out of gas: Make sure that the chainsaw has gas in the tank and that the gas valve is open.

The spark plug is fouled: Remove the spark plug and clean it with a wire brush. If the spark plug is damaged, replace it with a new one.

The carburetor is dirty: Clean the carburetor according to the manufacturer’s instructions.

The air filter is dirty: Clean or replace the air filter according to the manufacturer’s instructions.

The chainsaw is not getting enough fuel: Make sure that the fuel line is clear and that the fuel filter is not clogged.

How do I start my Ryobi gas chainsaw?

To start your Ryobi gas chainsaw, follow these steps:

1. Make sure that the chainsaw is in the off position.
2. Move the choke lever to the choke position.
3. Pull the starter rope slowly until you feel resistance.
4. Pull the starter rope quickly and hold it until the chainsaw starts.
5. Move the choke lever to the run position.

What should I do if my Ryobi gas chainsaw starts and then dies?

If your Ryobi gas chainsaw starts and then dies, there are a few possible causes:

The chainsaw is out of gas: Make sure that the chainsaw has gas in the tank and that the gas valve is open.

The spark plug is fouled: Remove the spark plug and clean it with a wire brush. If the spark plug is damaged, replace it with a new one.

The carburetor is dirty: Clean the carburetor according to the manufacturer’s instructions.

The air filter is dirty: Clean or replace the air filter according to the manufacturer’s instructions.

The chainsaw is not getting enough fuel: Make sure that the fuel line is clear and that the fuel filter is not clogged.

How do I maintain my Ryobi gas chainsaw?

To maintain your Ryobi gas chainsaw, follow these steps:

Clean the chainsaw after each use: Remove any sawdust or debris from the chainsaw housing and chain.

Inspect the chain for wear and tear: Replace the chain if it is damaged or dull.

Sharpen the chain regularly: A sharp chain will cut more efficiently and reduce the risk of kickback.

Lubricate the chain regularly: A lubricated chain will run smoother and last longer.

Inspect the spark plug and carburetor regularly: Clean or replace the spark plug and carburetor as needed.

What should I do if my Ryobi gas chainsaw is still not starting?

If your Ryobi gas chainsaw is still not starting, even after you have tried the troubleshooting steps above, you may need to take it to a qualified service technician.

About The Author

Hi, I’m John, the creator of this site.
With years of hands-on gardening experience, I’m passionate about growing fresh fruits and vegetables and making gardening easy for everyone.
Here, I share tips, ideas, and inspiration to help you enjoy a thriving garden—no matter your skill level!