The chain on a chainsaw can come off for several reasons. First, the bar and chain may not be properly aligned. Second, the bar and chain may be damaged or worn.
Third, the sprocket teeth may be damaged or worn. Finally, the clutch assembly may be damaged or worn.
If your chainsaw chain keeps coming off, there are a few possible reasons why. The most common reason is that the bar and/or chain are not properly tensioned. This can be easily fixed by following the proper steps to tension your chainsaw (consult your saw’s manual for specific instructions).
Another possible reason is that the chain is damaged or worn and needs to be replaced. Again, consult your saw’s manual for specific instructions on how to do this. Finally, if none of these solutions work, it’s possible that your chainsaw simply needs to be serviced by a professional.

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How Do I Keep My Chainsaw Chain from Falling Off?
One of the most common issues people have with their chainsaws is that the chain keeps falling off. This can be a real pain, especially if it happens frequently. There are a few things you can do to help prevent this from happening.
First, make sure that the bar and chain are properly lubricated. If they’re not, then friction can cause the chain to come loose. Second, check that the bar and chain are tight before each use.
If they’re not, then they may come loose while you’re cutting. Third, avoid using your chainsaw on hard materials like concrete or stone. These can put extra stress on the bar and chain and cause them to come loose.
Finally, if your saw has an adjustable tensioner, make sure it’s properly adjusted before each use.
If you follow these tips, then you should be able to keep your chainsaw’s chain from falling off.
Why Won’T My Chainsaw Chain Stay Tight?
If your chainsaw chain is coming loose, there are a few things you can check. First, make sure that the bar nuts are tight. These secure the bar to the saw and if they’re loose, the vibration of the saw can cause the chain to come loose.
The next thing to check is the tensioner. This is a small knob or screw on the side of the saw that controls how tight the chain is. If it’s not adjusted properly, the chain will be too loose or too tight.
Finally, check to see if the drive sprocket is worn out. This part helps keep tension on the chain and if it’s damaged, it won’t work properly.
How Tight Should a Chainsaw Chain Be?
If you’re asking how tight a chainsaw chain should be, the answer is “not too tight, and not too loose.” The sweet spot is somewhere in the middle, where the chain is snug but can still move slightly.
If the chain is too loose, it can come off the saw entirely while you’re using it.
This is obviously very dangerous, and can cause serious injury. Even if it doesn’t come all the way off, a loose chain can still whip around and cause cuts or bruises.
On the other hand, if the chain is too tight, it will put unnecessary strain on the motor of your saw.
This can damage both the motor and the chain itself, and will shorten the life of your saw overall. It’s also just harder to use a saw with an overly tight chain – it makes cutting through wood more difficult and slows down your work.
So how do you find that perfect middle ground?
A good rule of thumb is to be able to fit two fingers between the bottom of the guide bar and the top of the blade (where they meet). If you can do that easily, your chain is probably at a good tension. If not, adjust accordingly until you find that happy medium.
Fixing a chainsaw that throws its chain.
Electric Chainsaw Chain Keeps Coming off
If your electric chainsaw chain keeps coming off, there are a few things you can do to fix the problem. First, check to see if the chain is properly tensioned. If it’s too loose, the chain will come off when you start cutting.
Second, make sure the bar and chain are properly lubricated. If they’re not, the friction will cause the chain to come off. Finally, if all else fails, you may need to replace the bar and/or chain.
Chainsaw Chain Won’T Tighten Anymore
If your chainsaw chain won’t tighten anymore, it’s likely due to one of two issues. First, the sprocket teeth may be worn down, preventing the chain from tightening properly. Second, the bar nuts may be stripped or damaged, making it difficult to properly tension the chain.
To fix a worn out sprocket, simply replace it with a new one. If the bar nuts are stripped or damaged, you’ll need to replace them as well. Once you’ve replaced the parts that are causing the issue, your chainsaw should operate as normal.
Stihl Chainsaw Chain Keeps Coming Loose
If your Stihl chainsaw chain keeps coming loose, there are a few things you can do to fix the problem. First, check to see if the bar nuts are tight. If they’re not, tighten them up.
Next, check the guide bar for any damage or wear. If it’s damaged, replace it. Finally, make sure the sprocket teeth are pointing in the correct direction.
If they’re not, flip them around.
Chainsaw Chain Goes Tight Then Loose
If you’re having trouble with your chainsaw chain going tight then loose, there are a few things you can check. First, make sure that the bar and chain are properly lubricated. If they’re not, the chain will start to bind up.
Second, check the tension of the chain. The tension should be nice and snug, but not too tight. You don’t want the chain to be so loose that it falls off, but if it’s too tight, it will start to bind up.
Finally, check the depth of the cutters on the chain. If they’re getting too shallow, they’ll start to bind up as well. If you can’t figure out what’s causing your chainsaw chain to go tight then loose, take it to a qualified technician for help.
Conclusion
If the chain on your chainsaw keeps coming off, there are a few possible reasons. The first is that the chain is not properly tensioned. The second is that the bar and/or chain are damaged and need to be replaced.
Finally, it could be that the sprocket is worn out and needs to be replaced.