Chainsaw symptoms

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.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank
Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings
Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor

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
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
 30 minutes or less
February 1, 2014
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
 30 minutes or less
February 1, 2014
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
 30 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.

June 1, 2016

Chainsaw care and troubleshooting tips

By Sears PartsDirect staff

Learn the basics of taking care of your chainsaw and solving common problems.

March 1, 2016

How to sharpen a chainsaw

By Jeff Day

Find out how to sharpen a chainsaw.

May 1, 2015

5 tips for a hard-to-start chainsaw

By Sears PartsDirect staff

These tips may help you get your hard-to-start chainsaw running.