Can Lawn Mowers Explode? (Owner Experience)

Lawn mowers are a common tool used for lawn care, but have you ever considered the possibility of them exploding? Our post on Can Lawn Mowers Explode? Owner Experience shares one owner’s experience with a mower that did just that and how to prevent it from happening to you.

If you’re wondering if it’s safe to mow your lawn when it’s wet, check out our post on Can Lawn Be Mowed When Wet? Landscape Advice

Lawn mowers can explode due to various reasons, including poor maintenance and incorrect fuel storage.
Proper maintenance of the machine, using fresh fuel, and regular servicing can prevent lawn mower explosions.
Rocks and debris can damage lawn mower blades, causing a spark that may lead to an explosion.
Lawn mower explosions can cause significant health problems and property damage.
If you detect a gas smell from a lawn mower, turn it off immediately, move to a ventilated area, and seek professional help.

So let’s start with this question:

Can Lawn Mowers Explode?

The short answer is yes, lawn mowers can explode. Factoring in the sheer number of gas-powered lawn mowers in use every year for many years, you may be wondering whether your own lawnmower poses a risk. 

Explosions are rare, but when they do happen they can cause serious injuries. It’s important to understand how explosions occur and what you can do to mitigate this risk in your own yard.

Is It True That Lawn Mowers Can Explode?

First, you should know that it is true that lawn mowers can explode. Lawn mower explosions are rare but they do happen and when they do, the results can be catastrophic.

When a lawn mower explodes, fuel and oil ignite inside the engine of your ride-on mower causing an explosion which will cause damage to other parts of your machine too. There are several scenarios which could lead to a lawnmower exploding:

Oil in the engine catches fire from friction between moving parts or from loose debris in your yard

A spark occurs inside the engine due to faulty electrical wiring or some other source; this would only happen if there was gas running through the system at that time (we recommend checking regularly for any leaks)

“Lawn mowers should be handled with care to avoid safety hazards. Learn how to prevent lawn mower overheating with our article on can lawn mowers overheat?

What Causes A Lawn Mower To Explode?

Some lawn mowers are at risk of exploding. One cause is leaking gas, which can result in a fire. It’s important to keep your lawnmower clean and well maintained so that it doesn’t leak fuel onto the ground, since this can lead to an explosion.

Another way that lawnmowers can explode is from overheating after being used for too long without cooling down properly between uses. 

This happens most often when you’re cutting grass on very hot days or when you don’t let your mower cool down after each use (like if you’re using a reel). 

You should never leave the motor running while taking breaks during mowing because this adds extra stress on the engine and could cause damage over time leading up until an eventual explosion occurs due to accumulated wear-and-tear damage done by heat exposure over time 

Constant use under heavy load conditions with improper maintenance procedures in place such as lacking preventive maintenance checks/services performed regularly enough before each use cycle during operation activity cycles within 24 hours period duration cycles daily usage periods followed closely back-to-back without any type

What Is The Risk Of A Lawn Mower Exploding?

Lawn mowers are designed to be safe and reliable, but you can reduce the risk of an explosion by following these tips:

  • Check for cracks in the fuel tank. Replace if necessary.
  • Make sure you’re using gas-oil mix with no more than 10% oil content to prevent clogging of the spark plug holes.
  • Keep the engine free from debris such as leaves and grass clippings that might block air flow into the carburetor or crankcase ventilation system, which could cause backfiring and flammable fumes to build up inside your mower’s engine compartment.

“Mowing wet grass may seem like an easy task, but it can actually cause damage to your lawn mower. Discover the truth behind the question of can wet grass break a lawn mower?

How Could I Tell If My Lawn Mower Is At Risk Of Exploding?

If you own a gasoline-powered lawn mower, it is at risk of exploding. While not all gas-powered lawn mowers will experience an explosion, any machine with a spark plug has the potential to catch fire or explode while being used.

If your lawnmower is old, it may be more likely to catch fire or explode than newer models. Older machines often don’t have safety features that newer ones do. 

If you’re worried about your mower’s risk of combustion, consider upgrading to a newer model as soon as possible.

Should I Be Concerned About My Lawn Mower Exploding?

The short answer is no. You shouldn’t be concerned about your lawn mower exploding. If you follow the manufacturer’s instructions, you will reduce the risk of explosion. 

The most common cause of lawnmower explosions is not following the manufacturer’s instructions.

If you do experience an engine fire after cutting grass, turn off the gas line so that there isn’t any opportunity for fuel to leak out and ignite while cleaning up.

If My Lawn Mower Explodes, How Would I Be Injured?

In addition to the explosion itself, flying debris can cause injury. Pieces of the lawn mower can fly off and hit you in places like the head, face and hands. You should wear protective eyewear when operating a lawn mower to protect your eyes from this risk of injury.

In addition to being injured by flying debris or by impact with an object during an explosion, you could also be harmed by burns caused by hot oil or gasoline leaking out of the engine right after it’s shut off.

“Before getting on a lawn mower, it’s important to understand the risks involved. Read about how to keep yourself and your family safe with our article on can riding a lawn mower cause a miscarriage?

How Long Have People Been Concerned With Exploding Lawn Mowers?

It’s true that, over the years, there have been many reported cases of exploding lawn mowers. The first recorded explosion was in 1937 when a woman was hit by shrapnel from a broken blade and died from her injuries. 

Her husband then sued the manufacturer of their lawn mower for negligence because it included no warning about possible dangers of using the product. Over time, many more manufacturers added warnings to their products about potential hazards such as these explosions.

The first recorded death from a lawn mower explosion in the United States was in 1975 when a woman was hit by shrapnel while cutting grass and died instantly. 

This incident sparked further debate about whether or not manufacturers needed to include such warnings on their products so consumers could make educated decisions when purchasing new ones and how much responsibility they should bear after selling them into homes across America where families could potentially be harmed by unintended consequences like these explosions!

What Causes Lawn Mowers To Explode?

The engine is too hot. Make sure your mower is completely cooled off before you try to start it again.

The oil is overfilled. If your manual says to use a specific amount of oil in your mower, don’t overdo it, or else the extra weight can cause problems with the engine.

The fuel tank is overfilled. Again, follow your manual’s instructions for how much gas should be added so that you don’t overload the tank and cause damage to the engine and surrounding area.

The spark plug is dirty or faulty (you may need a new one). A dirty spark plug can reduce energy output from an engine by up to 30 percent which means that when it comes time for ignition.

There might not be enough juice available between electrodes inside each cylinder chamber as they’re supposed to return electrons back into place after being “fired” during combustion cycles within those chambers’ engines’ cylinders themselves!

How Many Lawn Mower Explosions Happen Each Year?

It can be difficult to determine exactly how many lawn mower explosions happen each year, but there are many instances of them happening. 

The most common cause of a lawn mower explosion is a fuel leak. If you don’t turn off the gas supply after running your lawn mower, then it’s possible that there could be residual fuel left in the tank or lines which could cause the entire thing to catch on fire.

What Is The Most Common Lawn Mower Model To Explode?

According to the Consumer Product Safety Commission, the most common lawn mower model that explodes is the John Deere GX235. 

This is a reliable and sturdy machine, known for its durability and quality workmanship, but it has one major flaw: it uses an oil-based fuel instead of gasoline.

Do Oil-Based Fuel And Gasoline-Based Fuel Explode The Same Way?

Yes, both oil-based fuel and gasoline-based fuel can explode. However, there are some differences between the two types of fuel:

Oil-based fuels are more likely to explode than gasoline-based ones. If you spill oil on the ground while filling your lawn mower’s gas tank with a regular gas canister and then start up your mower, 

It could cause an explosion because there isn’t enough oxygen in the air for combustion to occur safely. The same thing would happen if you spilled any other type of flammable liquid on the ground near your mower (including insect repellents).

Gasoline is also flammable but doesn’t require much outside ignition source as long as it has an adequate supply of oxygen at room temperature. 

This means that if you spill five gallons worth of gasoline onto dry grass during summertime when temperatures are high and humidity is low, there’s a high risk that this could cause an accident if left unattended too long without proper precautions being taken beforehand such as wearing protective gear when filling up gas tanks outdoors with cans made specifically for outdoor use only

“Using old gas in a lawn mower can cause a variety of issues. Don’t let it keep you from keeping your lawn perfect. Learn how to combat this problem with our article on can old gas cause a lawn mower not to start?

Are There Any Warning Signs That A Lawn Mower Is About To Explode?

If you hear a strange noise coming from the engine, shut down the mower and check it out. If there’s a lot of oil on your mower or if you can see leaks in the engine, stop using it. If you’re leaking fuel from any part of your lawn equipment, turn off both fuel tanks immediately. 

And finally, if there are holes in your tank or lines that allow gas to spill out (check this by turning off one tank first), don’t use that piece of equipment until repairs have been made.

What Causes A Lawn Mower To Catch Fire After It’s Been Turned Off?

If you have ever seen or heard about a lawn mower catching fire then you are not alone. Lawn mowers can and do catch fire. 

The main reasons why this happens are because the gas line was left on while the lawn mower was off, or if someone tried to start your lawnmower with gasoline still in it. In both of these cases, there is no real way to predict whether or not your lawnmower will catch fire when it’s turned off, but we can help prevent this from happening by following some simple steps:

  • Turn off the gas line when you are finished cutting grass
  • Never leave your lawnmower unattended especially if there is fuel in it (this includes storing them outside under shelters)
  • Keep all maintenance records handy so that when something goes wrong with your machine (like a clog), it will be easier for experts like us at Lawn Mowing Service Co., Ltd., where we specialize in servicing all makes/models of gasoline-powered equipment like.

“Protect your lawn mower from water damage by learning about the dangers of exposure to moisture. Check out our guide on can lawn mowers get wet? to find out more.”


One of the main reasons why you should turn off the gas line when cutting grass is because it is a fire hazard. 

You don’t want to run the risk of starting a fire on your property or accidentally setting yourself or someone else on fire with an exploding lawn mower. 

Another reason is that it reduces pollution in the air by not releasing smoke into the atmosphere while you are operating this machine. 

Finally, turning off the gas line helps keep down costs since less fuel will be used when running your mower at full power than if it were running at half speed due to not having enough pressure coming through its small pipes which leads us into.

Further Reading

If you want to gain more knowledge about lawn mower safety, these resources can provide additional helpful information:

Can Lawn Mower Explode? My Backyard Experience: A guide on lawn mower explosions and how to prevent them.

Can a Lawn Mower Explode? What You Need to Know: A comprehensive article that covers how lawn mowers can explode and what you can do to avoid it.

Can a Lawn Mower Explode? Safety Tips You Need to Know: An informative guide that provides safety tips and precautions to avoid lawn mower explosions.


What causes a lawn mower to explode?

Lawn mowers can explode due to several reasons, such as storing petrol for an extended period of time, refueling the mower with a hot engine, and not maintaining the machine correctly.

How can I prevent a lawn mower from exploding?

You can prevent your lawn mower from exploding by properly maintaining the machine, following manufacturer’s instructions, using fresh fuel, and ensuring the mower is serviced regularly.

Can a lawnmower blow up if I hit a rock or other debris?

Yes, if a rock or debris hits the mower, the blades can get damaged and cause a spark that may ignite the fuel tank, resulting in an explosion.

How serious can a lawn mower explosion be?

Lawn mower explosions can lead to severe injuries and property damage. Explosions can cause burns, blindness, hearing loss, and other significant health problems.

If I smell gas coming from my lawn mower, what should I do?

If you detect a gas smell, turn off the mower immediately, move the mower to a ventilated area, and avoid smoking or using any ignition sources around it. Consult a professional technician to fix the problem before using the machine again.