How to Drain Gas from Lawn Mower: Quick and Easy Steps.

How to Drain Gas from Lawn Mower Quick and Easy Steps
How to Drain Gas from Lawn Mower Quick and Easy Steps

To drain gas from a lawn mower, you need to locate the fuel supply line and remove it from the tank. Lawnmowers require routine maintenance to function effectively.

One of the tasks you may need to perform is draining old gas from the tank. If gas has been sitting in the mower for too long, it can negatively affect the engine’s performance. Drainage will allow fresh gas to be added to the mower, enhancing its operation.

It’s vital to carry out this task carefully to avoid accidents, such as spills or fires. Before starting, you should read the user manual to learn how to drain the gas and ensure you have the necessary tools. This article will guide you on how to drain gas from a lawn mower, emphasizing safety measures.

Signs That Your Lawn Mower Needs Gas Draining

Explanation Of The Signs That Indicate A Requirement For Gas Draining

Gasoline is the lifeblood of your lawn mower, and without it, the engine won’t start. If you leave old, stale gas sitting in your mower for too long, it can cause some severe problems. Here are the signs that indicate that it’s time to drain the gas from your lawn mower:

Examples Of Some Common Signs To Watch Out For

  • The engine won’t start: If your lawn mower fails to start after several tries, chances are the gas inside is no longer efficient.
  • Rough idling: If your mower starts but runs roughly or feels like it’s lagging, then it’s time for a gas change.
  • Stalling: Is your mower running only for a few minutes before it comes to a halt? It’s time to empty the gasoline.
  • Smoke: If your lawn mower starts emitting excessive smoke, it shows that the gas has gone bad, and it is time to change it.

Additionally, it is worth mentioning: Why is My Lawn Mower Smoking?

Importance Of Acting Immediately Upon Noticing The Signs

It is essential to take quick action when you notice any of these signs. Old gasoline can corrode your mower’s carburetor, fuel lines, and other engine components, resulting in costly repairs. Moreover, stale gas reduces the engine’s performance and reduces its fuel efficiency.

Draining the gas tank before storing your lawn mower ensures that it will start quickly when you need it. Regular supervision is the key to keeping your lawn mower running and ensuring it lasts longer. By keeping a close eye on the lawnmower and promptly addressing any issues, you will save time, money, and headaches in the long run.

Steps To Drain Gas From Lawn Mower

Draining gas from a lawnmower is an important maintenance activity that needs to be performed from time to time. However, it can be a challenging task, especially for beginners. To make things easier for you, we have put together a quick and easy guide that will walk you through the process of draining gas from a lawnmower.

A Step-By-Step Guide On How To Drain Gas Safely And Efficiently

  • Start by preparing your lawnmower for the gas-draining job. Turn off the engine and let it cool down completely before continuing. Make sure to wear protective gloves and goggles to make the process safe for you.
  • Once your lawnmower has cooled down, locate the gas tank on the mower. The gas tank may be at the rear or the front of the machine, depending on the model.
  • Using a socket wrench or pliers, unscrew the gas cap from the tank. This will help remove any pressure or vacuum that may have built up in the tank.
  • Place a clean container next to the lawnmower. This container should be large enough to hold all the gas in your mower’s tank.
  • Locate the gas drain plug at the bottom of the gas tank. In some models, this may be a screw located at the base of the gas tank. In others, it may be a tube.
  • Place the container below the gas drain plug and remove the plug. If you have a tube instead of a plug, insert the tube into the container.
  • Allow all the gas to drain out of the tank fully. This may take several minutes depending on the amount of gas in the tank.
  • Once all the gas has drained out of the tank, replace the gas drain plug or tube.
  • Finally, dispose of the gas appropriately. You can drop it off at your local recycling center or dump site. Never pour the gas on the ground or down the drain.

Mention Of The Tools Required For The Process

To perform the task of draining gas from your lawnmower, you will need a few tools. You’ll require pliers, a socket wrench, and a clean container large enough to hold all the gas in your lawnmower’s tank. Remember to wear protective gloves and goggles to ensure you do not put your health at risk.

Tips On How To Protect Yourself From Any Health Hazards

Although draining gas from a lawnmower may seem like an easy and straightforward process, it can also pose substantial health risks. To keep yourself safe during the process, follow these essential tips:

  • Wear protective gloves and goggles to avoid any contact with the gas, which can be dangerous to your skin and eyes.
  • Always work in a well-ventilated area to distribute any gas fumes and prevent them from causing harm.
  • Make sure to use the correct tools when removing the gas cap, gas drain plug, or tube when draining the gas from the lawnmower. This will ensure you do not accidentally hurt yourself.

Following these tips will ensure that you stay safe during the gas-draining process.

Furthermore, it is recommended to read: How to Clean Lawn Mower Carburetor

Draining gas from your lawnmower is a simple and easy process if you follow the steps outlined above. By using the right tools and following safety guidelines, you can safely drain the gas from your lawnmower without any issues. So why wait?

Take some time to accomplish this task and keep your lawnmower running smoothly!

Best Time To Drain Gas From Lawn Mower

Discussion On The Best Time To Drain Gas From Lawn Mowers

One of the most important things to do when it comes to lawn mower maintenance is to drain its gas. It is best to do this before storing your lawn mower away for the winter season. However, certain times may be more suitable than others when it comes to draining gas from your lawn mower.

Explanation Of Why Certain Times Are More Suitable Than Others

Gas is made up of hydrocarbons that can break down over time, producing a residue that can block your lawn mower’s fuel system. Also, ethanol in gasoline can absorb moisture that can lead to corrosion in your engine.

Timing, therefore, is important when it comes to draining gas from lawnmowers. The best time to do so is when you will not be using your lawn mower for an extended period of time, such as during the winter season.

This will prevent clogging and corrosion from occurring in the fuel system.

Examples Of Situations That May Require More Frequent Gas Draining Than Others

Certain conditions may need more frequent gas draining than others. These include:

  • When you use your lawn mower only occasionally: Gas can break down more quickly with irregular use. Therefore, it is best to drain the gas after every use if you only use your lawn mower sometimes.
  • When you leave gas in the tank for a long time: Gas can break down over time, especially if it contains ethanol. Therefore, it is best to drain the gas after a month or two of non-use to prevent clogging and corrosion from occurring.
  • When storing your lawn mower in a humid environment: If you live in a humid environment, moisture can accumulate in your fuel tank, leading to corrosion. In this case, it is best to drain the gas and store your lawn mower without any gas in the fuel tank.

As you can see, the best time to drain gas from lawnmowers is before storing it away for an extended period, such as the winter season. In certain situations, however, it may require more frequent gas draining to prevent clogging and corrosion from occurring.

By following these steps, you can ensure that your lawn mower performs optimally and lasts for a long time.

Tips And Tricks For Gas Draining

Gasoline-powered lawn mowers require regular maintenance to function correctly. One of the essential tasks that every lawn mower owner should perform is draining the old gas before filling it with fresh fuel. But, if you do not know how to do it, you can end up damaging your lawn mower’s carburetor and spark plugs.

In this post, we will outline the steps to drain gas from the lawn mower along with some useful tips and tricks.

Draining gas from a lawn mower may sound simple, but it requires careful handling. Here are some tips to help you with the gas-draining process:

  • Always use a gas can to keep the old fuel – never drain old fuel directly onto the ground or into the recycling bin as it can have harmful effects on the environment. Rather, use a gas can to store it and dispose of it in the right place.
  • Run the engine for a few minutes before draining – running the engine before draining the fuel helps to warm up the gas and make it easier to drain out.
  • Disconnect the spark plug – before draining, disconnect the spark plug to prevent the engine from accidentally starting.
  • Wear gloves – wear gloves while draining gas to avoid getting gasoline on your skin.
  • Avoid smoking – gasoline is highly flammable. Therefore, avoid smoking or using any kind of fire source while handling fuel.

Additional Tips And Tricks To Make The Process Simpler And Easier

  • Use a hose – if your lawn mower has a larger gas tank, using a drain hose can make the procedure easier and faster.
  • Clean the spark plug – if your spark plug is dirty, clean it with sandpaper or replace it with a new one.
  • Add a fuel stabilizer – if you store your lawn mower for an extended period, adding a fuel stabilizer helps to keep the gasoline fresh and avoid any damage that may occur due to stale gas.

Alternative Methods That Can Be Used For Gas Draining

Aside from the usual method of draining gas from the tank, there are a few alternative ways to drain gas from a lawn mower:

  • Using a hand pump – a hand pump is a small pump that allows you to transfer fuel from the gas tank directly into the gas can.
  • Siphoning – siphoning involves using a hose to transfer the fuel from the tank to the gas can. This method requires a lot of care and can be dangerous if not done correctly.

Common Mistakes To Avoid While Draining Gas

Draining gasoline from a lawn mower may seem like a simple task, but making these common mistakes can cause severe damage to your lawn mower:

  • Not warming up the engine – failing to warm up your lawn mower before draining the gas can make it challenging to drain the fuel and result in damage to your spark plug and carburetor.
  • Draining the oil instead of gas – make sure you are draining gas, not oil. Draining oil can cause significant damage to your lawn mower’s engine.
  • Not replacing the fuel filter – before refilling the tank with fresh fuel, remember to replace the fuel filter. A dirty fuel filter can make it harder for the engine to receive sufficient fuel and damage the carburetor.

Draining gas from a lawn mower is a crucial task that every lawn mower owner should know how to perform. By following the steps outlined in this post and avoiding common mistakes, you can maintain your lawn mower’s engine and ensure it runs smoothly for years to come.

Also, make sure to read: How to Sharpen Lawn Mower Blades

Frequently Asked Questions For How To Drain Gas From Lawn Mower

How Can I Drain The Gas From My Lawn Mower?

To drain the gas from your lawn mower, first turn off the mower and ensure the engine is cool. Locate the gas cap and unscrew it. Then, drain the gas into a container by tipping the mower on its side.

After draining the gas completely, replace the gas cap and dispose of the gas properly.

Is It Necessary To Drain Gas From The Lawn Mower?

Yes, it is necessary to drain gas from the lawn mower. Stale gas can cause engine damage and can also lead to difficulty in starting the mower. If the mower will not be used for a while, it is important to drain the gas to prevent the fuel from breaking down.

What Are The Signs That Indicate I Need To Drain The Gas From My Lawn Mower?

Stale gas can cause difficulty in starting the mower and can also lead to issues such as engine flooding or stalling. If you notice any of these signs or if the mower has not been used for more than a month, it is time to drain the gas from the lawn mower.

Can I Reuse The Drained Gas?

It is not suggested to reuse drained gas from a lawn mower. Stale gas can cause engine damage and it is best to dispose of it properly. If the gas is still fresh, it can be used in other outdoor power equipment such as a generator or leaf blower.

How Often Should I Drain The Gas From My Lawn Mower?

It is suggested to drain the gas from your lawn mower at least once a month if it is not being used frequently. If the mower is used regularly, it is still recommended to drain the gas at least once every three months to prevent engine damage caused by stale gasoline.


In sum, draining gas from your lawn mower is a necessary task that should be done regularly to maintain its functionality. Paying attention to important details such as the type of lawn mower and the safety precautions to be taken during the process will make the task much easier.

It’s important to note that you should not hurt yourself or the environment while you carry out this task. In addition, be sure to dispose of the gasoline properly. If you follow these simple steps, draining gas from your lawn mower will quickly become an effortless part of your lawn care routine.

As a result, you’ll save money on maintenance costs and avoid the unnecessary stress that comes with a poorly functioning lawn mower.


  • David Mark

    David Mark is an experienced gardening guide with over 20 years of experience. He is passionate about helping people learn about gardening and creating beautiful, healthy gardens. David's love of gardening began at a young age, when he would help his parents in their backyard garden. He quickly learned the basics of gardening, and as he grew older, he began to experiment with different plants and techniques. After graduating from college, David worked as a landscaper for several years. This gave him the opportunity to work on a variety of different gardens, from small backyards to large commercial properties. He also learned how to install irrigation systems, build raised beds, and create patios and walkways. In 2005, David decided to start his own gardening website. He quickly became known for his expertise and friendly personality. He has helped hundreds of people create beautiful gardens, and he is always happy to share his knowledge with others. David is a certified Master Gardener, and he is a member of the American Society of Landscape Architects. He is also a regular contributor to gardening magazines and websites.

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