How to Repair a Lawn Mower

 Is your lawn mower not working properly? Don't worry, you don't have to spend a lot of money to get it fixed. With a little bit of knowledge and some basic tools, you can easily repair your lawn mower yourself. In this article, we will guide you through the process of repairing a lawn mower step-by-step.

How to Repair a Lawn Mower

Troubleshooting Common Problems

Engine Won't Start

If your lawn mower won't start, it could be due to a variety of reasons. Here are a few things you can check:

  • Check the fuel tank to make sure there is enough fuel
  • Check the spark plug to make sure it is clean and not damaged
  • Check the air filter to make sure it is clean and not clogged

Engine Runs Rough

If your lawn mower engine is running rough, it could be due to a dirty air filter, a clogged fuel filter, or a faulty spark plug. Try cleaning or replacing these parts to see if it improves the performance of your lawn mower.

How to Fix a Lawn Mower

Step 1: Drain the Fuel Tank

Before you begin working on your lawn mower, it's important to drain the fuel tank to prevent any accidents. Use a siphon pump to remove the fuel from the tank and dispose of it properly.

Step 2: Remove the Spark Plug

Remove the spark plug using a spark plug wrench and inspect it for any damage or wear. If it looks dirty or worn, replace it with a new one.

Step 3: Clean or Replace the Air Filter

Remove the air filter and clean it with a soft brush or replace it if it is damaged or clogged.

Step 4: Check the Fuel Filter

Inspect the fuel filter and replace it if it is dirty or clogged.

Step 5: Check the Carburetor

If your lawn mower still isn't running properly, check the carburetor for any damage or clogs. Clean or replace the carburetor if necessary.

Advantages and Disadvantages of Repairing a Lawn Mower Yourself


  • Saves money on repair costs
  • You can learn a new skill
  • You have control over the repair process


  • It can be time-consuming
  • You may not have the necessary tools or knowledge
  • You could potentially cause more damage if you don't know what you're doing


Repairing a lawn mower yourself can be a rewarding experience, but it's important to know what you're doing. By following the steps outlined in this article, you can easily troubleshoot and fix common problems with your lawn mower. Remember to always prioritize safety and take your time when working on your lawn mower.


Q: Do I need any special tools to repair my lawn mower?

A: You'll need a few basic tools such as a spark plug wrench, a socket wrench, and a siphon pump. You may also need a carburetor cleaning kit if you need to clean or replace the carburetor.

Q: How often should I perform maintenance on my lawn mower?

A: It's a good idea to perform regular maintenance on your lawn mower at least once a year. This includes changing the oil, cleaning or replacing the air filter, and checking the spark plug.

Q: Can I use regular gasoline in my lawn mower?

A: Yes, you can use regular gasoline in your lawn mower. However, it's important to use fresh gasoline to prevent any damage to the engine.

Q: What should I do if my lawn mower still won't start after I've tried all of the troubleshooting steps?

A: If your lawn mower still won't start, it's best to take it to a professional for repair. They will be able to diagnose and fix any issues with your lawn mower.