Lawn Mower Maintenance: Everything You Need to Know to Keep Your Lawn Mower Blades in Top Condition
As a homeowner, you likely own or have access to a lawn mower, and though it is certainly something you need, there’s a good chance you may not be completing the required maintenance tasks to keep it operating in top shape. If you’ve never given your lawn mower much thought beyond ensuring that it is charged up or has enough gas, you are likely missing important maintenance tasks that can have a tremendous impact on the overall health and appearance of your lawn.
If you’ve ever wondered about how to care for your new or well-used lawn mower, you may have wondered, can you sharpen lawn mower blades? The answer is yes, you absolutely can. In fact, doing so can help keep your lawn mower operating effectively and safely all season long.
In this post, we cover some of the most frequently asked questions about lawn mower maintenance. Whether you want to answer the question, do lawn mower blades come sharpened or want to know what angle to sharpen lawn mower blades, we are here to help.
If you are looking for more information on keeping your lawn beautiful and healthy this season, see our post, How Often Should You Mow Your Lawn? Our Tips for Keeping Your Lawn Healthy in Any Season. As trusted providers of lawn care services, we are always looking for ways to support you in achieving your goal of having a beautiful lawn that is ready for you to enjoy.
Lawn Mower Blade Sharpening and Maintenance Frequently Asked Questions
Lawn mower maintenance doesn’t have to be complicated. However, you should make caring for your lawn care equipment a priority. Below are some of the most common questions we are asked about lawn mower blades and maintenance to keep you ready for lawn mowing this season.
Do Lawn Mower Blades Need to Be Sharpened?
Lawnmower blades work best when they are sharp. In fact, not having sharp lawn mower blades is a safety issue for you as the user, but also a well-being issue for your lawn. Sharp lawn mower blades make clean cuts that support your grass to heal and grow quickly, whereas dull blades can tear or fray grass. Dull blades may also cause more kickback, making the task of mowing more difficult and can also lead to strain on the machine, leading to issues such as overheating. Is it worth sharpening lawn mower blades? Absolutely. We suggest keeping an eye on your lawn mower blades to ensure optimal performance and lawn health.
Do I Need to Sharpen New Lawn Mower Blades?
If you have recently purchased a lawn mower, you may wonder, do I need to sharpen a new lawn mower blade or are lawn mower blades pre sharpened? In most cases, yes, a new lawn mower should come with pre-sharpened blades. So, do new lawn mower blades need to be sharpened? No, in most cases, you won’t need to do this unless you can tell for yourself that the blades are not sharp. However, in most instances, your new lawn mower should be ready to use as soon as you buy it.
Can You Sharpen Lawn Mower Blades on Your Own?
If you have the tools and are confident that you can complete the task safely, sure, you can do this task yourself. However, many homeowners who are unfamiliar with lawn mower blades feel uneasy about this task. Seeking the help of a professional may be the best option to ensure your blade is sharpened effectively without risking injury. Keep in mind that if you’ve ever wondered, can you sharpen a lawn mower blade without removing it, this is not a safe or recommended way to complete the task. Keep your personal safety a priority when completing any lawn mower maintenance tasks.
What Is the Best Way to Sharpen Lawn Mower Blades?
If you’ve ever wondered, should I sharpen lawn mower blades on my own, the answer is, maybe. Doing this task yourself can save you some money, though your access to tools and your personal abilities should be considered. When it comes to knowing what to use to sharpen lawn mower blades, you’ll need tools such as a metal file, bench grinder, or angle grinder. However, for safety, you’ll also need a vise or clamp, a blade balancer, and safety gear. Knowing what angle to sharpen lawn mower blades is also important, and a 30-degree angle is what you’ll need to achieve. If you do not have experience in working with such tools, having a professional complete your lawn mower maintenance tasks may be the best option for you.
How Often Should I Inspect My Lawn Mower Blades?
At Mr. Trim Lawn & Garden Services, we suggest checking your lawn mower blades before every cut. However, we also understand that this may not be practical for everyone. At a minimum, you should be checking your lawn mower blades at least once per season to ensure that it is ready for use and in good condition.
What Should I Look Out for When Checking Lawn Mower Blades?
When you inspect your lawn mower, knowing what to look for is essential. When you check your lawn mower blades, you are looking out for common issues such as the blades being dented, the blades not being sharp, and the mower deck being clean. If you have a new lawn mower, you may wonder, do new lawn mower blades come sharpened? Though they typically do, it is still a good idea to check your lawn mower before first use.
How Can I Safely Check My Mower Blades?
Before checking the blades of your lawn mower, it is important to ensure that the machine is not running. For gas-powered lawn mowers, simply ensuring that the motor is turned off is what you’ll need to do. You can also disconnect the spark plug wire to ensure that an accidental start is prevented. For electric mowers, removing the battery from your lawn mower or ensuring that it is unplugged is sufficient. Once the power has been disconnected, you can simply tip the mower facing on a flat surface and consider using blocks to secure it.
What is a Lawn Mower Deck?
The lawn mower deck is the part of the lawn mower that surrounds the blades and is typically made from metal or composite materials. It has a protective function that shields the user from flying debris while also supporting the blade system. The lawn mower deck is often adjustable and should not be overlooked when checking your mower.
How Do I Clean a Lawn Mower Deck?
Keeping your lawn mower deck clean is important as it can improve air flow, prevent rust from trapped clippings, reduce grass clumping and extend the overall life of your blade and deck. Once the power has been disconnected from your mower, you can use a garden hose to clean the mower deck. Stuck on gunk may need to be scrapped off though do this with care. Once clean, allow your mower to dry completely.
Can I Replace Lawn Mower Blades?
If caring for your lawn mower blades is a task that you have neglected, you might wonder if the blades can be replaced. In most cases, they absolutely can be. Replacing your lawn mower blades can be a great option if your blades are too damaged or worn. When you get new blades, you may wonder, do you have to sharpen a new lawn mower blade? The answer to this question is no for the first cut, at a minimum. However, don’t forget to incorporate checking your mower blades and general maintenance into your lawn care routine.
How Mr. Trim Lawn & Garden Services Can Remove the Hassle of Lawn Mowing and Maintenance Tasks.
At Mr. Trim Lawn & Garden Services, we are a family-run business that has been in operation for more than 40 years. We provide grass-cutting and lawn-mowing services for customers who prefer a more hands-off approach to maintaining their property. Though we are delighted to support you with grass-cutting services, we also understand that many homeowners take pride in caring for their lawns on their own. When it comes to lawn mowing, lawn mower maintenance tasks are often overlooked. If you do not have time for or simply do not want to complete lawn mower maintenance tasks, we can take the guesswork out of caring for your lawn. With lawn mowing and lawn maintenance services, we can help you spend more time enjoying your property and less time working on it.
Stop overthinking about the state of your lawn mower and the never-ending tasks associated with lawn care. At Mr. Trim Lawn & Garden Services, we are here to help. We provide weekly and bi-weekly grass-cutting services to help you spend more time enjoying your lawn and also provide lawn care programs to support your lawn’s health, including aeration, fertilizer treatments, grub control, overseeding, and weed control. Contact us today to learn more about how we can support you in spending more time enjoying your lawn and less time completing lawn mower maintenance tasks.

Aaron grew up in Bowmanville, working along side his dad for as long as he can remember. Aaron went to school to get his small engine repairs certificate to help keep all the machines running well. Aaron is very knowledgeable with all lawn care needs. He took and passed the pesticide license course so he could better help his customers. Aaron always makes sure to determine what your lawn needs and can give recommendations on how to make it better.
Mr. Trim has many awards from, three best rated, This Week Readers Choice, Durham Region Readers Choice and more. Both owners Lisa & Aaron have their pesticide licences. Their biggest accomplishment of all is having loyal customers that trust them year after year for all their lawn, garden and snow clearing needs.