April 19, 2023

Chainsaw symptoms

By Jeff Day

You can't use your chainsaw when it won't start and you shouldn't use it when it's leaking gas or runs rough. So use our symptoms and troubleshooting to help resolve chainsaw problems and get it running smoothly again. Find replacement parts by keying the chainsaw model number or part number into the search bar above. Order the parts you need, then follow the steps in our chainsaw repair guides to install parts and get back to your cutting chores.

gas chainsaw

Symptoms common to all gas chainsaws

Choose a symptom to see related chainsaw repairs.

April 20, 2023

Why won't my chainsaw start?

By Jeff Day
Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings
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April 19, 2023

Why does my chainsaw run roughly?

By Lyle Weischwill
Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor
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April 19, 2023

What should I do if my chainsaw leaks gas?

By Lyle Weischwill
Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank
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Repair guides for gas chainsaws

These step-by-step repair guides will help you safely fix what’s broken on your chainsaw.

February 1, 2014

How to rebuild a chainsaw carburetor

By Lyle Weischwill
How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuild it, using a carburetor rebuild kit. This repair guide takes you through the process.

Repair difficulty
Time required
 15 minutes or less
February 1, 2014

How to replace chainsaw fuel lines

By Lyle Weischwill
How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experience. These instructions show you how.

Repair difficulty
Time required
 15 minutes or less
February 1, 2014

How to replace a chainsaw carburetor

By Lyle Weischwill
How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's easier to replace the carburetor than to clean it and rebuild it. Follow these steps to do the job yourself in about half an hour.

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas chainsaws

Use the advice and tips in these articles and videos to get the most out of your chainsaw.

February 13, 2023

What’s the best type of chainsaw for homeowners in 2023 – gas, corded or cordless?

By Lyle Weischwill
What’s the best type of chainsaw for homeowners in 2023 – gas, corded or cordless?

Find out what type of chainsaw you need to keep trees trimmed in your yard.

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July 12, 2022

What are the most common replacement parts for chainsaws?

By Lyle Weischwill
What are the most common replacement parts for chainsaws?

Learn about the most common replacement parts for chainsaws and how they can help you fix chainsaw problems.

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August 1, 2015

How to cut trees, limbs and branches with a chainsaw

By Jeff Day
How to cut trees, limbs and branches with a chainsaw

Learn tips for using a chainsaw to cut down trees, cut up fallen tree limbs and prune small branches.

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