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How to Drain Gas From a Lawn Mower Safely and Easily Full Guide of 2023

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As a homeowner, you want to ensure your lawn mower runs well and lasts for years. One of the most important steps in maintaining it is draining gas from its tank properly. When done incorrectly, this can be dangerous and cause serious damage to the engine or create a fire hazard if not handled safely.

In this article, we’ll show you how to drain gas from a lawn mower easily and safely with two different methods – one using siphoning equipment and another without any special tools at all! You’ll also learn when it’s necessary (or not) as well as tips on proper storage so that next season your machine will start quickly every time.

So let’s get started learning how to drain gas from your lawn mower like an expert!

Key Takeaways

how to drain a lawn mower

  • Properly draining gas from a lawnmower is important for maintenance and safety.
  • There are two methods for draining gas from a lawnmower: using siphoning equipment and using a non-siphon method.
  • Disconnect the spark plug wire before starting the draining process.
  • Use a siphon pump or turkey baster, fuel-resistant container, plastic tubes or hoses, and a cloth to drain the gas.

Draining a Lawn Mower

Draining a Lawn Mower
To keep your lawn mower running smoothly during the winter months, you’ll need to take a few simple steps to properly drain it of gas and add fuel stabilizer.

Start by disconnecting the spark plug wire so that no sparks are produced while draining.

Next, tilt your mower manually or use a fuel transfer pump if available. Make sure to place an oil pan or container under the fuel tank before tilting as this will help catch any remaining liquid in case of spillage.

Using a siphon is also recommended for maximum efficiency when emptying out all traces of gasoline from both the tank and its associated lines including those connected to the carburetor or other components such as filters, etc.

Lastly, be careful not to overfill with premium ethanol-free fuels since these can easily deteriorate over time.

Gather Necessary Tools

Gather Necessary Tools
Gather the necessary tools, such as a siphon pump or turkey baster, an oil pan or container, and fuel stabilizer for safely draining your lawn mower.

Make sure to turn off the engine and disconnect the spark plug wire before proceeding with any gas draining procedure.

Place an oil pan under the fuel tank to catch excess liquid in case of accidental spillage.

To avoid oxidation, use only premium ethanol-free fuels when refilling after winter storage.

Connect a drain tube from your gas tank to its associated lines, including those connected to the carburetor or other components like filters, etc.

Then, open up this drain tube while blowing air into it through another plastic hose/tube connection at a higher pressure than that of gasoline’s vapor pressure inside gasoline tanks.

Finally, empty out all traces of remaining liquids by running the mower until the engine dies on its own without needing manual drainage if you forget about running it dry earlier!

Siphon Method

Siphon Method
To begin winterizing your lawnmower, it is essential to disconnect the spark plug wire first. Then, you can use a siphon pump to draw gas from the tank and into an appropriate container for storage. Finally, add fuel stabilizer according to instructions before running the mower until it dies on its own.

This will help ensure that all remaining gasoline has been drained out of its system.

Disconnect Spark Plug Wire

Before doing anything else, make sure to disconnect your spark plug wire for safety.

  • Add a few drops of fuel stabilizer into the mower’s gas tank before starting the draining process.
  • Inspect and secure all connections within your mower’s fuel system before beginning any work.
  • Clear away any debris near or around the spark plug wires to reduce the risk of fire from sparks during maintenance.
  • Wear protective clothing when handling gasoline as it can be hazardous if spilled on the skin or clothes directly exposed to flame sources such as cigarettes and lighters!
  • Thoroughly drain out every drop from both the tank and lines for optimal winter storage preparation. This will prevent starting issues come springtime!

Siphon Gas From Tank

Once you’ve taken the necessary safety precautions, use a siphon pump or turkey baster to get all of the gas out of your mower’s tank. As they say, an ounce of prevention is worth a pound of cure. Insert the sucking end into your fuel container and submerge it in gas.

Next, insert one end into your mower’s tank while keeping the other end above it so gravity can do its job during this process. As soon as you hear liquid flowing through the tube, start draining from both ends.

Add premium ethanol-free fuels for better combustibility and stability over time.

To avoid any spills, wear protective clothing when handling gasoline and make sure to secure all connections within fuel systems before beginning work!

Add Fuel Stabilizer

After siphoning off the gas, add a fuel stabilizer to protect your mower’s engine over winter and ensure it’ll start up come spring. Use one ounce of fuel stabilizer per two gallons of gas for optimal protection against oxidation causes that can result in bad gasoline.

Disconnect the spark plug wire to prevent any sparking and pour a bottle of fuel stabilizer into your mower’s tank or in a separate gas can if you’re storing extra at the end of the season. Be sure to use premium ethanol-free fuels as they’re less susceptible to deterioration than regular unleaded gasoline for better combustibility and stability over time.

Draining all leftover liquids from both tanks, carburetor connections, and lines also helps maintain performance while preventing sediment formation, clogging, rusting, or leaking during storage periods when not used regularly!

Run Mower Dry

To finish winterizing your mower, run the engine until it stops to use up all the gas. This prevents bad gasoline caused by oxidation and accidental starts due to trace amounts of fuel left in the tank or fuel lines.

Before beginning, make sure you have a drain tube attached to the bottom of your mower’s gas tank and a used oil container for easy draining. Ensure that both tanks are completely empty before refilling them with fresh fluids and replacing any worn-out parts, such as spark plugs or fuel caps.

Taking these simple steps will keep your lawnmower running smoothly year after year!

Non-Siphon Method

Non-Siphon Method
For those who don’t have a siphon pump, you can still drain your lawn mower’s gas tank using the non-siphon method – like squeezing toothpaste out of its tube.

To do so:

  1. Disconnect the spark plug wire and open the fuel lines to the carburetor with an air pump or similar device.
  2. Place a drain tube in an appropriate container for collecting liquid fuel and tilt the mower to allow stale gasoline to flow into it from the tank and other components of the engine. Ensure that no spills occur by doing this slowly and carefully!
  3. Add fuel stabilizer according to the instructions before running the engine until all remaining gas has been used up. Then, disconnect the spark plug again before storage time arrives – thus preventing any risks posed by starting issues in springtime due solely to old gasoline left inside during the winter season.

Step-by-Step Guide

Step-by-Step Guide
Draining your lawn mower’s gas tank before storing it for winter is an important maintenance step. To do this properly, you’ll need to collect a few tools and materials, park the mower in a safe spot, disconnect the spark plug wire, and set up plastic tubes or hoses to direct fuel flow.

Then, you can drain the gas tank from both engine components and carburetor connections into an appropriate container.

Collect Required Tools

Gather the necessary tools and materials, such as a drain container, tube, hoses, and cloths. You’ll need these for draining your mower’s gas tank. Tool selection is important to ensure proper draining of the gas tank without any spills or mistakes.

Don’t forget to disconnect the spark plug wire before starting. This is an important step that helps protect against accidental sparking due to fuel in contact with air. You will also need fuel stabilizer according to EPA guidelines, so make sure it is added before returning all components back into their original positions.

Lastly, manual draining may be required if running out of gasoline has been forgotten.

Park Mower and Disconnect Spark Plug

Park your mower in a well-ventilated area and disconnect the spark plug wire to ensure that no fuel will combust while draining. Before getting started, remember to remove spark plug cables and lastly run your lawn mower for the last time of this season.

Here’s a detailed guide on how to drain gas from your lawnmower:

  • Add fuel stabilizer according to EPA guidelines before returning components back into their original positions.
  • Disconnect carburetor connections.
  • Open drain tube and tilt mower if you don’t have access for manual tilt.
  • Insert siphon pump or turkey baster into the tank.
  • Run the engine until all gasoline is out of it.

Follow these steps carefully without skipping any step, as it can lead to serious consequences! And with that, you’re ready for winter storage – happy DIYing!

Set Plastic Tubes/Hoses

Connect the plastic tubes/hoses to ensure that the gasoline is efficiently drained from your mower.
Locate and remove fuel lines.
Attach a simple tube with one end attached to an empty drain container and another at the bottom of your gas tank.
Make sure all connections are secure for safety purposes.
Add fuel stabilizer according to EPA guidelines before returning components back into their original positions – this is an essential step!
Follow these steps carefully without missing any part as it can lead to serious consequences when draining gas from your lawnmower.
Properly setting up plastic hoses will make all following steps easier, so take time on this technique!

Drain Gas Tank

Once you have your plastic tubes/hoses set up, it’s time to start draining the gas tank.

  1. Disconnect the fuel line from the spark plug to prevent any potential sparking.
  2. Park the mower on an even surface in a well-ventilated area and open the drain tube at the bottom of the gas tank capacity.
  3. Use pressure from an air pump or the turkey baster method if manual draining is necessary. Ensure that connections are secure and no combustible substances remain when all fluids are completely drained off into their respective containers (gas can).
  4. Finally, replace the fuel lines back onto the spark plug before turning the engine back on.

Disconnect Carburetor Connections

After disconnecting the fuel line, make sure to also unplug the carburetor connections before blowing air into your tank. This is important for proper maintenance and winter storage of the lawn mower as it will prevent any oxidation or damage to internal components like fuel lines.

Ensure there’s a good connection between the air channel and carburetor removal so that pressure can push all gasoline out.

Always remember to work in a ventilated area, keep away from an ignition source, and observe safety precautions when handling gas-related tasks like these!

Removing Gas Without Siphoning

Removing Gas Without Siphoning
If you want to know how to drain a lawn mower without the need for a siphon, there are two main methods: manual tilt and drain method or using a turkey baster or syringe.

Manual draining requires tilting your mower so that all the fuel can be drained out. For this, you’ll need an appropriate container placed in such a way that it would catch all of the draining gas.

On the other hand, if using tools like a turkey baster or syringe is more convenient for you, then simply follow instructions on how to safely remove gasoline from the tank with these tools while making sure not to spill any fuel in the process!

Manual Tilt and Drain Method

If you don’t have a siphon, no problem! You can manually tilt the mower and drain the gas into an appropriate container like a pro – just remember to go slow and steady. Tilt angles should be adjusted for optimal draining time while always following safety precautions.

Gas removal is more effective with fuel containers that have larger openings, enabling easy access to carburetor connections.

Turky Baster or Syringe

For an easier gas removal process, use a turkey baster or syringe to quickly and accurately draw out the fuel. This method offers more control when draining much gas without having to manually tilt your mower.

Be sure that you’re using fuel stabilizer with this method as it helps protect internal components of the lawn mower from oxidation over time. Also, take precautions while using these tools since there is a chance of accidental sparking with any internal combustion machines.

Connecting a drain tube between the tank and container eliminates messy spills by keeping all connections tight for complete DIY projects!

Is Draining Gas Necessary?

Is Draining Gas Necessary?
Storing a lawnmower for the winter months requires special care. To ensure that it will be in optimal condition next season, you should drain its gas tank and add fuel stabilizer before putting it away.

Doing so can help prevent starting issues due to bad gasoline or oxidized fuel while also helping with general maintenance of your mower over time.

Proper Storage

Once all the gas is removed from your lawn mower, proper storage is essential for maintaining its performance. Store it in a cool and dry place away from direct sunlight to prevent oxidation of any remaining fuel residue.

To ensure optimal performance later on, use premium fuel types when possible for less deterioration. Additionally, add fuel stabilizer before storing in winter preparation. Change oil regularly to avoid sediment buildup inside the tank’s condition.

Lastly, regularly maintain your lawn mowers, giving them an excellent chance at lasting longer and working better when used again.

Proper storage after draining gasoline is an important process that should be done properly for maximum efficiency of the engine, as well as safety reasons.

When to Drain

Draining your gasoline before storage is essential for ensuring optimal performance and preventing potential hazards. It should be done regularly to keep the engine running smoothly. Winterizing benefits include extending fuel shelf life, avoiding bad gas, minimizing sediment formation in tanks, and preventing rusting or leaking of the tank’s condition.

Gas oxidation can impact its combustibility over time, so premium fuel types are recommended when possible.

  • Drain the tank completely with a siphon pump or turkey baster.
  • Add stabilizer per manufacturer instructions.
  • Run the engine until it dies if necessary.
  • Wrap it up with an old blanket or tarp for protection against direct sunlight and dust accumulation.

Properly drained gasoline allows you to enjoy all the benefits of a well-maintained lawn mower come springtime!

Fuel Stabilizer

Adding a fuel stabilizer after draining the gas is essential for maintaining your engine’s performance and preventing potential hazards, so you don’t have to worry about bad gasoline come spring. Premium fuels are less susceptible to oxidation and sediment formation in tanks during storage, but it’s still important to drain existing fuel before winterizing.

Use old blankets or tarps when storing the mower outside as protection from direct sunlight and dust accumulation. Run the mower until it dies if necessary. Follow the manufacturer’s instructions for adding stabilizer correctly.

This will help extend the shelf life of stored gasoline while protecting against rusting or leaking tank conditions.

Maintenance Tips

After winterizing your lawn equipment, it’s important to follow the manufacturer’s maintenance tips to ensure optimal performance year-round.

  1. Use fuel stabilizers correctly – add 1 oz per 2 gallons of gas for maximum results.
  2. Drain existing gasoline from the tank, fuel lines, and carburetor with the manual tilt or siphon pump method before storage.
  3. Be sure to take necessary safety precautions, such as disconnecting the spark plug wire and working in a ventilated area when draining gas manually from the tank using the air pressure technique.

Following these simple guidelines will help you keep your mower running strong all year long!

Effortless Drainage

Effortless Drainage
Draining a lawnmower of its fuel can be done with minimal effort and the right tools. To ensure that you are working in a safe and ventilated area, raise your vehicle off the ground, locate its fuel line connection, and gather any additional materials or tools needed to complete the job.

Tools and Materials

To winterize your mower, you’ll need a siphon pump, fuel stabilizer, and a gas-resistant drain container. Start by disconnecting the spark plug wire so it doesn’t ignite while draining. Siphon out any remaining gas into a can or other designated container with the pump, then add fuel stabilizer as per the manufacturer’s instructions.

Alternatively, open the gas can and tilt your mower to carefully empty its contents – adding fuel stabilizer afterwards.

Safe and Ventilated Area

Be sure to work in a well-ventilated area, far from any potential ignition sources – your safety should always be the priority. Here’s what you need: ventilation requirements, fuel line disconnection, manually tilting the gas tank for air blowing out remaining gasoline, and finally releasing the spark plug wire.

Such steps are necessary to avoid risks associated with fuel leakage or fire hazards while draining gas from the lawn mower’s tank.

Raise Vehicle

Raise your lawn mower up on a surface to optimize the draining process and get every last drop of fuel out. Make sure you do this in a safe, ventilated area—away from any potential ignition sources. If possible, raise it higher than the fuel line so all gas can be easily drained from the tank.

Additionally, use a fuel stabilizer when refilling your mower for prolonged engine life and performance during winter months.

Remember: ventilation tips are important; always work in an open space where fumes won’t build up or linger too long near any spark-producing sources such as pilot lights or other flammable items nearby!

Locate Fuel Line

Now carefully locate the fuel line on your lawn mower to start draining gasoline for winter maintenance – an essential step that’ll keep your machine running smoothly!

First, check the fuel line routing and make sure it’s properly connected.

Second, take safety precautions when dealing with gas like working in a ventilated area away from any ignition sources.

Third, use quality fuel stabilizers while refilling for longer storage times.

Lastly, remember to follow good storage tips such as emptying tanks before long periods of non-use.

Keep these points in mind for successful drainage and great mower performance all year round!

Frequently Asked Questions (FAQs)

Is draining gas necessary for lawn mower winterization?

Draining gas from your lawn mower is essential for winterization, ensuring it runs smoothly come spring. Avoid oxidation and sediment buildup with premium ethanol-free fuel and a stabilizer to keep your mower running like new.

What are the necessary tools and materials for draining gas from a lawn mower?

To drain gas from your lawn mower, you’ll need a siphon pump or a turkey baster, a fuel-resistant container, plastic tubes or hoses, and a cloth. This simple task requires little effort but can yield big rewards by preventing starting issues in the spring! Don’t forget to add fuel stabilizer for maximum protection.

Are there any risks associated with draining gas from a lawn mower?

Yes, there are risks associated with draining a lawnmower, such as potential fuel spills and fire hazards. Disconnecting the spark plug wire is important to prevent sparking while siphoning gas, and all tools should be used safely in a well-ventilated area away from any ignition sources.

What is the difference between the siphon and non-siphon methods for draining gas?

Siphon and non-siphon methods both drain gas, but the former requires a pump, while the latter involves blowing air into the tank.

Does draining gas prolong the life of a lawn mower?

Yes, draining gas from a lawn mower prolongs its life. Studies have shown that properly winterizing a mower can extend the lifespan by up to 50%, making it an essential part of maintenance. By using ethanol-free fuel and fuel stabilizers prior to storage, you’ll ensure your machine is always ready for use.


It is of utmost importance to winterize your lawn mower before the cold weather sets in. Draining the gas from the tank, fuel lines, and carburetor is a simple yet effective way to ensure your mower will be ready to go in the spring.

Whether you choose the siphon method or the non-siphon method, the process is relatively easy and should only take less than 30 minutes.

Just remember to add a fuel stabilizer and keep your workspace free from any ignition sources.

Avatar for Mutasim Sweileh

Mutasim Sweileh

Mutasim is a published author and software engineer and agriculture expert from the US. To date, he has helped thousands of people make their yards lush and thick.