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Top 5 Reasons Why Your Chainsaw Won’t Start After Sitting


Don’t Throw Your Chainsaw Away, There Might Be An Easy Way To Fix It 

A chainsaw is one of the most useful tools that we can keep in our sheds. However, we often go for a few months at a time without using them. 

Many people find that after leaving their chainsaws to sit for a few months they don’t turn them on straight away. Don’t worry though, this happens all the time and there are many different reasons why this might happen. We are going to help you get to the bottom of your problem today. 

If you are in this situation, then you might find this guide to troubleshooting problems with your chainsaw helpful. 

Today, we are going to share with you five reasons why your chainsaw might not be starting and the solutions to these issues. While some of these issues can be prevented by taking proper care of your chainsaw, others can happen naturally. 

We can’t cover all the issues, but here are the five most common – the gas, the sparkplug, it’s too cold, a blocked filter, and a broken rewind spring. 

Chainsaw won’t start

#1 – Old Gas In Your Chainsaw 

When you use your chainsaw regularly, you do not need to replace and clean out the oil. Much like when you are driving your car every day. 

However, leaving the gas in your chainsaw for a few months can cause your chainsaw not to start. The good news for you is that if this is your issue it can be easily fixed. 

All you will have to do is empty out the old gas, clean your chainsaw, and fill it up with fresh gas. 

You will need bb tablets, tank cleaner, and new gas. 

  1. Take off the lid of your gas tank and drop a few bb tablets inside. Then put the lid back on. 
  2. Shake the chainsaw to help the bbs disperse in the tank. Then take off the lid and pour out the old gas. 
  3. Add some cleaner to the tank and repeat the process. 
  4. Then add the new fuel. 

#2 – It’s Too Cold Outside 

Chainsaws are a lot more temperamental than most people think. Sometimes they won’t start if the machine gets too cold. This can happen if the chainsaw is stored in a cold shed, garage, or basement that’s cold or damp. 

You can fix this problem by taking your chainsaw into a warm area of your home. You will probably need to keep it warm for a couple of hours to allow the heat to reach all parts of the chainsaw. 

You might find it more efficient to bring your chainsaw into your home the night before you want to use it. It will then be ready for you to use the next day. 

#3 – Various Sparkplug Issues 

The sparkplug is one of the most important parts of the chainsaw – but it can break in multiple ways. They can break because they get too old, too dirty, or because they are damaged by overuse. 

To work out what the issue is, it’s best to take a look at the sparkplug. Has it changed color? Is it cracked? Are there burn marks on the sparkplug? Does it look worn away in multiple places? 

When it comes to sparkplug issues, the part is so cheap and easy to replace that we recommend you do this. 

#4 – Broken Rewind Springs 

The rewind spring and the starter coil are the main parts responsible for starting your chainsaw. The rewind spring pulls the starting cord backward as you start the saw. 

If the spring is broken then there is no way to start your chainsaw as the starter cable will not be able to rewind. 

With most chainsaws, if the rewind spring breaks then you will need to replace the whole starting mechanism. You should be able to find everything you need to do this at your local hardware store. 

#5 – Blocked Air Filters 

You should try to clean the air filters in your chainsaw after every use. This will prevent a build-up of grease and dust in these areas. 

Not only will these blockages stop your chainsaw from starting by they can permanently damage your chainsaw or even start a fire. 

The best way to clean your air filter is to take the whole thing out of the chainsaw and wipe it down with a damp cloth. Alternatively, you can replace the air filters when you need to. 

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