In order to determine what caused your mower to die, you can do a variety of things. In order to help you solve your problem, I have compiled a list of things to look for in case you run into any problems. In the hope that this will alleviate a little bit of your frustration and enable you to get back to mowing more often, I hope you find this helpful.

Riding lawnmowers will start and then die due to their three main causes: dirty gas, dirty carburetor, clogged fuel lines, plugged fuel filters, plugged air filters, dirty spark plugs, faulty ignition coils, insufficient engine oil level, and plugged cooling systems.

You can learn more about how to prevent your riding mower from continuously cutting your lawn in this article  Your Lawn Tractor Starts And Then Dies.

Your Lawn Tractor Starts and Then Dies

It is advisable to run your riding mower on fresh fuel to get the most effective results. There is a possibility that gasoline can start to break down and become less effective as early as 30 days after it has been purchased.

It is possible for ethanol in your gasoline along with the moisture that it attracts to gum up the fuel system causing clogs in the engine. As a result, your mower can start and then stop working when this happens.

When the wrong fuel is put into your riding mower, it can also cause it to die because it is being pumped to run the mower. If you want to operate your riding lawn mower, ensure that you use unleaded gasoline with a minimum octane rating of 87. Also, ensure that you use unleaded gasoline with a maximum of 10% ethanol.

If you run fuel with high levels of ethanol through a lawn mower, you could cause significant engine damage to the engine. In addition, it may also cause it to shut down on its own after running for some time. Generally, the less ethanol there is, the better.

There are many benefits associated with using ethanol as a fuel and it is also an environmentally friendly fuel option. Using this substance in vehicles is okay, but it is not a viable solution for the small engines in riding lawnmowers because it could damage them. Check out more information about the right fuel for your riding mower and learn more about the effects of ethanol here.

If you are using the wrong fuel or old fuel in your riding mower, you need to drain the tank if you have the wrong fuel. I find a fuel siphon to be very useful in this situation. You only need an approved gas container to drain the old fuel from the tank, as well as an area to dump the old fuel.

Make sure the carburetor is clean

There are chances that you will have to disassemble the carb and give it a thorough cleaning if the connectors are not the cause of the problem. Remove the choke and throttle linkages from the lever, and then give a gentle slide to the carburetor to get it off the mounting bolts. To get rid of the entire carburetor, you will have to unscrew some parts to be able to get to the engine. Disconnect the metering plate from the gasket and detach the primer from the base, then remove the primer from the appliance. After you have exposed the internal components of the carburetor, you will need to spray the inside of the ports with your carb-cleaning solution. This will help get rid of any residue that may have formed. When you are done cleaning the screen you can take a soft cloth and wipe it down thoroughly after you have done the cleaning  Your Lawn Tractor Starts and Then Dies.

Mower won’t run

The engine starts and dies because it gets a shot of gas from the choke operation (or primer bulb), but then the carburetor blockage starves it of additional gas, which causes it to stall.

The problem can usually be solved by cleaning the carburetor and adding new gas to the engine, however, if the gum of the carburetor is too bad, you will need to replace it.

The gas cap on a riding mower

There is a possibility that your gas cap gets plugged in. Riding mowers have vent caps that allow air to pass through them, allowing them to work efficiently and save energy.

It is possible for your riding mower to die if the fuel tank cap is not properly installed. This will allow the fuel tank to maintain proper pressure while it is running.

Retighten your fuel cap and restart your mower. This is the solution. Replace the cap if it starts and continues to run after the cap has been replaced. Allow the mower to run for a short period of time to see if it shuts down again after you run it for a short period of time. Your fuel cap may be the problem if your car does shut down during that time, so it is almost certain that it could be.

It is possible to try to clear the clog using a riding lawnmower. However, you may end up having to buy a replacement gas cap if you are unable to do so.

Lawn mower tips

With all these causes and their solutions being explained to you now, you may be asking yourself the question – How can I prevent such diseases from occurring in the future?

In addition to basic maintenance and winterization, there are some precautionary steps you can take in order to ensure that your lawn mower won’t stall and roar to life on the first pull when you get it started. A wealth of information can be found in the owner’s manual, but here are some tips and suggestions you may find useful.

1. With a carburetor spray cleaner, clean your carburetor.
2. Maintain clean air filters and replace them annually.
3. Clean the engine with a degreaser.
4. Dipsticks are useful for gauging the oil level; don’t overfill.
5. Keep a spare spark plug handy. Change spark plugs every year or season.
6.  Your Lawn Tractor Starts And Then Dies.

In case your lawnmower does not work after following these steps, you might need to buy a brand-new one. Take a look at some of the highlights on our website. If possible,

 Ignition coil problem

Ignition coil failure can cause your riding mower to die. It is possible that the windings on the coil separate and short out as a result. A spark plug may not be able to operate correctly if the voltage required to work properly is not being provided to it.

Identify a faulty ignition coil using an ohm meter in order to determine if there is a break in continuity in the connection. Replacing the coil should be your first step if you find a break.

In conclusion

You may think that fixing your lawn mower so that it at least starts is a very difficult task. The carburetor/air filter should always be replaced or cleaned/rebuilt if there are any problems with fuel delivery. However, this may not always be the case. As the years go by, grease and dirt are built up on the motors. This causes them to clog, which will limit the amount of power passed to the mower.

It would be best to minimize such events in the future by providing regular regulatory maintenance. This will not cost you a lot of money and will also save you a lot of time and energy. Lastly, when keeping your vehicle clean, you need to remember to clean the carburetor, the air filter, and the engine oil clean as well. As a precaution, we would suggest keeping a spare spark plug in your vehicle in case of an emergency  Your Lawn Tractor Starts And Then Dies.