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How to Store a Generator: Best Practices for Long-Term Storage

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Do you want to store a generator for a longer period, but don’t know how to properly store it?

Don’t worry! We’ll show you the best practical ways to properly store a generator.

Generators are important, especially in times of power outages or emergencies. However, they are not always in use. For instance;

  • When there’s no power outage and there’s stable electricity.
  • When you’re traveling to a distant destination.
  • When you aren’t interested in using it for a longer period.

While all these factors can contribute to why you should store a generator, it’s also important you ensure to store it properly.

Improper storage of your generator can result in damages to the generator and as well lead to costly repairs or replacement of your generator’s part.

Hence, for you to avoid replacing or repairing your generator after storing and wanting to use it, in this article, we will discuss the best practices for the long-term storage of generators.

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Why Store Generators Properly?

It’s important to do things properly and that also applies to generators. Properly storing your generator will make sure it is in good working condition when you need it.

A generator that’s not stored properly will develop problems such as tank rust, leak, and clogged carburetor among other issues.

These problems can be costly to repair and trust me, I know how frustrating it is to have your generator failing when you need it the most.

With that in mind, let’s now talk about the best practices for the long-term storage of a generator.

How to Store a Generator 

Here are a few steps to take when storing a generator: 

Step 1: Clean the Generator Thoroughly 

The first step in storing a generator is to clean it thoroughly. Cleaning doesn’t mean you should use water, but you can use a soft cloth or scrub to remove dirt, dust, and debris from the generator’s exterior.

You can also clean the air filter, fuel tank, and fuel line making sure that there’s no debris or residues that can cause issues later when you need it.

Step 2: Drain the Fuel from the Tank

After you have cleaned the generator, the next step is for you to drain the fuel from the generator tank.

You should only do this if this generator is not going to be used for an extended period like 2 months upwards.

Because, storing your generator with a full tank of fuel can cause the fuel to break down and become stale in the tank, which might cause you to change the tank.

To drain the fuel, you can either run the generator until it runs out of fuel or decide to use a pipe to draw the fuel out.

However, if emptying your tank is kinda difficult, you can add a fuel stabilizer to the fuel in the tank (You can check out our recommended fuel stabilizer from Amazon, ensuring you are using the best one). 

But what is a fuel stabilizer? Fuel stabilizers are chemical substances; it’s in liquid forms and it helps prevent fuel from breaking down or becoming stale. 

With a fuel stabilizer, your generator can stay for 2 years without any issues. To use it, check the instructions on the fuel stabilizer bottle for the correct amount you can add to your generator’s fuel.

You Can Also Read:- 3 Best Fuel Stabilizers for Honda Generators (All Types of Generators)

Step 3: Change or Drain the Engine Oil

The third step you can take in storing your generator is by changing or draining the engine oil.

For me, I prefer you’d change your engine oil than drain it because you might forget when you want to start the generator – that no oil.

Old engine oil is contaminated just and can’t be left in a generator for a longer period. To change your engine oil, check out our recommended engine oil for generators and how you can get one yourself easily.

Step 4: Disconnect the Battery 

After you’re done with previous steps, it is now time for you to disconnect the battery if you are using a battery-powered generator.

Disconnecting the battery from your generator will prevent the battery from discharging and becoming damaged while in storage.

After disconnecting the battery, make sure you put it in a safe place far away from kids or tough weather.

Step 5: Store the Generator in a Dry, Well-Ventilated Area

Lastly, after you are done cleaning the generator, draining the fuel, changing the engine oil, and disconnecting the battery, now you should ensure your generator is kept in a dry, well-ventilated area.

Moisture can cause rust and other damage to the generator, and a lack of well ventilation can cause fumes to build up, which can be dangerous. 

Therefore, It is best if you store the generator in a garage, shed, or any other covered area. Additionally, you can also make use of a generator cover for more safety.

Also Check :- Generator Storage Shed: Our Top Recommendations


Storing your generator properly is important to ensure that it is in good working condition when you need it. 

By following the best practices we provided for long-term storage, you can help to prevent issues from developing and ensure that your generator is ready to go when you need it. 

Additionally, remember to clean the generator thoroughly, drain the fuel tank, add a fuel stabilizer, change the oil, disconnect the battery, and store the generator in a dry, well-ventilated area. 

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