Why Does Your Chainsaw Chain Keep Coming Off?

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Updated in June 2025 | By John

Tired of your chainsaw chain coming off You’re not alone. This is a common problem, but there are a few simple things you can do to fix it. In this article, I’ll explain why your chainsaw chain keeps coming off and show you how to fix it. So if you’re ready to get back to work, keep reading!

Why Does Chain Keep Coming Off Chainsaw

Chain keeps coming off chainsaw because:
– The chain is too loose.
– The bar is bent.
– The chain is worn out.
– The sprockets are worn out.

Why Does the Chain Keep Coming Off My Chainsaw?

There are a few reasons why the chain on your chainsaw might keep coming off.

The chain is too loose:
If the chain is too loose, it will be more likely to come off the sprocket. To check the tension, hold the chainsaw with the chain off the ground and the engine off. The chain should be able to move about 1/2 inch up and down. If it moves more than that, tighten the chain.

The chain is too tight:
If the chain is too tight, it will be difficult to turn the chainsaw and the chain may come off. To check the tension, hold the chainsaw with the chain off the ground and the engine off. The chain should be able to move about 1/8 inch up and down. If it doesn’t move at all, loosen the chain.

The chain is worn out:
If the chain is worn out, it will be more likely to come off. To check the chain, look for any broken or missing teeth. If there are any, replace the chain.

The sprocket is worn out:
If the sprocket is worn out, it will not grip the chain properly and the chain may come off. To check the sprocket, look for any damage or wear. If there is any, replace the sprocket.

The chainsaw is not properly maintained:
If the chainsaw is not properly maintained, it will be more likely to have problems, such as the chain coming off. To properly maintain your chainsaw, make sure to:

Sharpen the chain regularly:
A dull chain is more likely to come off.

Oil the chain regularly:
A dry chain is more likely to come off.

Clean the chainsaw regularly:
A dirty chainsaw is more likely to have problems.

If you have checked all of these things and the chain is still coming off, you may need to take your chainsaw to a qualified technician for repairs.

How to Prevent the Chain from Coming Off

To prevent the chain from coming off your chainsaw, you can:

Keep the chain properly tensioned:
The chain should be tight enough to prevent it from coming off, but not so tight that it is difficult to turn the chainsaw.

Keep the chain sharp:
A dull chain is more likely to come off.

Oil the chain regularly:
A dry chain is more likely to come off.

Clean the chainsaw regularly:
A dirty chainsaw is more likely to have problems.

Inspect the chainsaw regularly for damage:
If there is any damage, have the chainsaw repaired or replaced.

By following these tips, you can help prevent the chain from coming off your chainsaw.

Also Read THis: Why Does Chainsaw Chain Keep Coming Loose

FAQs: Why Does the Chain Keep Coming Off My Chainsaw?

What could be causing the chain to come off?

There are a few possible causes for a chainsaw chain to come off. The most common cause is that the chain is too loose. If the chain is too loose, it can jump off the sprockets as the chainsaw is running. Another possible cause is that the chain is worn out. A worn-out chain can become stretched and loose, which can also cause it to come off. Finally, a dirty or clogged chainsaw bar can also cause the chain to come off.

How can I prevent the chain from coming off?

There are a few things you can do to prevent the chain from coming off your chainsaw. First, make sure that the chain is properly tensioned. The chain should be tight enough so that it doesn’t fall off the sprockets, but not so tight that it is difficult to turn the chainsaw. Second, check the chain regularly for wear and tear. If the chain is worn out, replace it with a new one. Finally, keep the chainsaw bar clean and free of debris.

What should I do if the chain comes off while I’m using the chainsaw?

If the chain comes off while you’re using the chainsaw, stop the chainsaw immediately and turn off the engine. Then, follow these steps:

1. Inspect the chain and the chainsaw bar for damage. If either is damaged, replace it before continuing to use the chainsaw.
2. Re-tension the chain.
3. Start the chainsaw and slowly turn the chain brake lever to engage the chain.
4. Slowly move the chainsaw forward and allow the chain to re-engage with the sprockets.

How can I fix a chainsaw chain that keeps coming off?

If the chain keeps coming off your chainsaw, there are a few things you can try to fix it. First, check the chain tension. If the chain is too loose, tighten it until it is snug against the chainsaw bar. Second, check the chain for wear and tear. If the chain is worn out, replace it with a new one. Finally, clean the chainsaw bar and remove any debris that may be causing the chain to come off.

What should I do if I can’t fix the chainsaw chain myself?

If you can’t fix the chainsaw chain yourself, take it to a qualified chainsaw repair shop. The technicians at the shop will be able to diagnose the problem and fix it properly.

About The Author

I am John, and I am the creator of this website. I have been in the woodworking industry for about 5 years. I developed my passion for DIY projects around the house when I was in high school. I have discovered a new appreciation for those who have the experience to pass along their expertise. They know what works best and are able to help others. I am proud to be among them.

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