• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
The Lawn Mower Guru

The Lawn Mower Guru

  • Home
  • Lawn Mower Repair
    • Weed Eater Repair
  • Blog
  • About
  • Search

What Happens If You Tip The Lawn Mower The Wrong Way?

Last Updated: June 20, 2023 By Guru

A lot of people don’t even realize that there’s a right way and a wrong way to tip a lawn mower up. I know I didn’t a few years ago. But if you’re the proud owner of a gas mower, there most certainly is. A quick and simple rule is as follows: The side that the carburetor and air filter is on needs to be up. If it’s down, that’s when you will have some problems to deal with.

What happens if you tip the lawn mower the wrong way
Here’s the air filter. This needs to be facing upwards when the mower is tipped.
Contents show
1 So…Tell Me…What Happens If You Tip The Lawn Mower The Wrong Way?
2 Anything Else You Should Know?
3 What to Do If You Do Tip Your Lawn Mower the Wrong Way
3.1 Change Your Air Filter
3.2 Clean the Carburettor
3.3 Remove Spark Plug and Clean
4 Final Thoughts: Just Tip Your Mower the RIGHT Way

So…Tell Me…What Happens If You Tip The Lawn Mower The Wrong Way?

If you tip up your mower with the carburetor and air filter down, things can get messy and gravity is your enemy. If you quickly realize your error and flip the mower back to a neutral position, you might be ok, but if you leave it tipped over the wrong way for any period of time the oil (and likely the gas too) that is sitting in the mower’s crankcase will not stay put.

Gravity will prompt it to make its way through the engine cylinder, the piston, through the carburetor, and into the air filter. And I’m not talking just a little bit of oil. Your air filter will likely be absolutely soaked in oil and no longer usable.

And when that happens it’s honestly almost impossible to clean up – there’s no degreaser that exists that will be able to help. Your only option will be to get a new one. So unless you want to be replacing your air filter every time you tip your mower up, make sure you tip it up the right way.

Anything Else You Should Know?

In addition to a compromised air filter (the most common thing that that happens if you tip your lawn mower the wrong way), it’s possible that your spark plug could have been contaminated by either oil or fuel. This happens if the combustion chamber is flooded with too much oil or gas (read this for more info on how to start a flooded lawn mower). In extreme cases, this can stop the engine from cranking over.

What to Do If You Do Tip Your Lawn Mower the Wrong Way

If you’re faced with a situation like the one we just described above, there are a couple of things you will need to address in all likelihood.

Change Your Air Filter

If your air filter is completely saturated in oil, leaving it in place is not an option. Your mower’s engine needs the right amount of air to pass through the filter to burn with the fuel. A filter soaked in oil won’t allow that; it’ll smother your engine and your mower will either splutter and struggle to maintain consistent power or it may not start at all. You might also see your mower start-up and then cut out or blow black smoke (quite an alarming sight!).

The solution is simple. Buy a new air filter. And make sure you clean up all oil residue from the case/cover too so leftover oil doesn’t make its way into the new filter.

Change the lawn mower air filter if dirty

Clean the Carburettor

If you’ve swapped out the filter for a new one, but your mower either still won’t start or isn’t running smoothly, it could be that oil is blocking or partially blocking the carburetor. You’ll need to clean it as best you can.

The first thing I’d try, as it’s far less time-consuming and complicated, is to spray some carburetor cleaner in the throat of the carburetor, and then try to start the mower. If you can get it to run, that might clear any oil residue that has been left behind.

If that doesn’t work, you’ll need to remove the carburetor and give it a thorough cleaning, but I’d only attempt to do this if you’re comfortable with doing this kind of thing. If not, I’d recommend you look for a repair shop locally and have them take a look.

Remove Spark Plug and Clean

If the combustion chamber flooded and your mower won’t start up, you will want to remove your spark plug and give it a clean. Wait a few minutes before reconnecting and you should be good to go.

Final Thoughts: Just Tip Your Mower the RIGHT Way

Tipping your mower the wrong way is a mistake that only takes a second to do, but can potentially cause you a lot of work. Not to mention you’ll be out of pocket. And when it’s so easy to avoid finding yourself in this situation, there’s really no excuse. Just tip your lawn mower the right way from now on!

Filed Under: Blog

Tom Greene Author Lawnmowerguru

About Tom Greene

I've always had a keen interest in lawn care as long as I can remember. Friends used to call me the "lawn mower guru" (hence the site name), but I'm anything but. I just enjoy cutting my lawn and spending time outdoors. I also love the well-deserved doughnuts and coffee afterward!

Comments

  1. MT says

    November 30, 2022 at 12:39 am

    I did this. 🙁 replaced air filter, carburetor, spark plug and governor springs. Brand new gas

    Now it’s running very rough at low rpm. Adjusting governor shows no rpm change. It’s an automatic choke, there’s no idler screw. Getting some exhaust out of the muffler. Briggs and Stratton 126T02-0709-E1. Any ideas? Thanks so much

    Reply
    • Guru says

      April 27, 2023 at 3:46 am

      Hi MT,

      It could be something to do with the automatic choke. I believe your model of Briggs & Stratton uses an auto choke controlled by the temperature of the muffler. As the engine warms up, the thermostatic arm on the muffler disengages the choke. Now I’ve come across these engines struggling to disengage the choke when the engine warms up because the linkage between the choke an the carburetor isn’t set correctly. Basically, the linkage can’t operate the choke correctly, and it either stays on or it doesn’t fully engage.

      Here’s an article I wrote about this type of auto choke that might be of some help.

      https://lawnmowerguru.com/lawn-mower-automatic-choke-problems/

      Thanks for the question, and I hope this helps get your lawn mower up and running properly.

      Tom.

      Reply
  2. Nicholas Beer says

    March 5, 2023 at 9:26 pm

    Dear Tom,

    Thank you very much for your advice. My filter is soaked in oil. I am also assuming that I have to top engine oil up again as I lost a bit of oil too. I will try everything tomorrow. I have left the engine for a couple of days so that everything drains back hopefully.

    Reply
    • Guru says

      April 10, 2023 at 11:37 pm

      Hi Nicholas,

      It would probably be best to replace your air filter and top off the oil. Then when you start your lawn mower, you’ll find that it smokes for a minute or two while the oil burns off. If you have trouble starting your lawn mower, I suggest removing the spark plug and cleaning it. Sometimes an oily spark plug won’t spark very well and will cause the engine some problems.

      I am glad you liked my article.

      Many thanks.

      Tom.

      Reply

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

  • Blog
  • About
  • Privacy Policy
  • Affiliate Disclosure

Copyright © 2010 - 2025 · LawnMowerGuru.com, All Rights Reserved.


Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com. You can learn more about this here.