Can You Put Premium Gas In A Lawn Mower? – Find Out Here

Lawn mowers are an essential tool for homeowners and businesses, helping keep lawns and gardens looking tidy and neat. When it comes to fueling up your lawn mower, many options are available, including premium gas. But can you put premium gas in a lawn mower?

This is an important question to ensure your machine’s best performance and longevity. In this article, we will discuss the pros and cons of using premium gas in a lawn mower and provide important tips and advice to help you make the best choice for your mower.

Can You Put Premium Gas In A Lawn Mower?

This is a question that many people who own a lawn mower have asked. Depending on the type and age of your lawn mower, the answer to this question can vary.

Most lawn mowers that are powered by a small engine, such as a Briggs and Stratton or Kohler, are designed to run on regular, unleaded gasoline. This type of gasoline is usually 87 octane or lower. Premium gasoline, usually 89 octane or higher, can be used in these engines, but it is not necessary.

In fact, using premium gasoline in these engines can actually decrease the engine’s performance, as the higher octane rating can cause the engine to run at a slower speed and reduce its power output.

If your lawn mower is equipped with an electronic fuel injection (EFI) system, the manufacturer may recommend that premium gasoline be used. This is because the higher octane rating in premium gasoline helps ensure the EFI system works properly and efficiently.

If you use premium gasoline in an EFI system, follow the manufacturer’s instructions carefully, as using the wrong fuel type can cause serious damage to the engine.

In general, it is not necessary to use premium gasoline in a lawn mower. The higher octane rating of premium gasoline does not necessarily provide any significant performance benefits, and using it in a small engine can actually reduce performance. If you use premium gasoline in your lawn mower, follow the manufacturer’s instructions carefully, as using the wrong type of fuel can cause serious damage to the engine.

What Type Of Gas Should I Use In A Lawn Mower

What Type Of Gas Should I Use In A Lawn Mower?

The answer depends on the type of lawn mower you have. Generally speaking, most lawn mowers use regular gas. Regular gas is the most commonly available gasoline and is often the least expensive. It’s also the type of gas that most lawn mower manufacturers recommend.

That said, some lawn mowers can benefit from the higher octane rating of premium gas. If your lawn mower has a high-performance engine, such as a four-stroke or a V-twin, it may require premium gas. The octane rating of premium gas helps prevent knocking and pinging, which can be caused by lower-quality gas.

To determine whether you should use regular or premium gas in your lawn mower, check your lawn mower’s owner’s manual. It should specify the type of gas that’s best for your mower. If you don’t have access to the manual, contact the manufacturer.

It’s important to note that you should never use diesel fuel in your lawn mower. Diesel fuel is not designed for small engines and can cause serious damage. Using fresh, high-quality gasoline in your lawn mower is also important. Gasoline can degrade, and stale gas can cause your mower to run poorly. If you’re unsure how long the gasoline has been sitting in your tank, it’s best to drain and refill it with fresh gas.

How To Perform Regular Maintenance On A Lawn Mower?

Regular maintenance on your lawn mower is crucial if you want to keep it running smoothly and extend its lifespan. Here are some steps you can take to perform regular maintenance on your lawn mower:

  • Refer to your owner’s manual: Before you perform any maintenance, you should always check your owner’s manual for manufacturer-specific instructions and guidelines.
  • Clean the mower deck: Remove any clumps of grass or debris that have accumulated underneath the mower deck. This will help improve airflow and prevent rust.
  • Change the oil: Regular oil changes are crucial for ensuring the longevity of your mower’s engine. Check your manual for recommended oil change intervals and follow them accordingly.
  • Replace the air filter: A dirty air filter can affect the performance of your mower’s engine and reduce fuel efficiency. Replace the air filter at least once a year or more often if you mow in dusty conditions.
  • Check the spark plug: Over time, the spark plug can become dirty or fouled, which can cause your mower to run poorly or not start at all. Inspect the spark plug for signs of wear and tear and replace it if necessary.
  • Sharpen the blades: Dull mower blades can tear the grass instead of cutting it, leading to an uneven lawn and increased vulnerability to pests and diseases. Sharpen the blades at least once a year or more often if you mow frequently or on rough terrain.

Benefits Of Using Premium Gas In A Lawn Mower?

There are a few potential benefits to using premium gas in a lawn mower, though they may only sometimes be worth the extra cost depending on your specific mower and needs. Here are a few possible benefits:

  • Improved performance: Premium gas often has a higher octane rating than regular gas, which can prevent engine knocking or pinging and potentially result in smoother and more efficient mower operation. However, some lawn mowers do not require or benefit from higher octane gas, so checking your owner’s manual before switching is important.
  • Cleaner burn: Some premium gas options contain additives that can help keep the engine and fuel system cleaner over time. This could lead to less buildup of deposits and potentially extend the lifespan of your mower.
  • Ethanol-free options: Many regular gas options contain ethanol, which can harm some small engine equipment like lawn mowers. Some premium gas options offer ethanol-free fuel, which could help prevent damage and improve performance in these types of engines. However, not all premium gas options are ethanol-free, so checking the label before purchasing is important.

Common Problems With Lawn Mowers And How To Fix Them?

Common problems with lawn mowers and how to fix them? Lawn mowers are a great investment for maintaining your lawn, but they can be prone to certain problems.

  • Wrong Type Of Fuel – If you try to put premium gas in a lawn mower, it can cause damage to the engine. One way to prevent this is to use the fuel recommended in the owner’s manual. It is also important to ensure that you are using fresh fuel, not fuel that has been sitting in the tank for a while.
  • Clogged Air Filters – The air filter helps to keep dirt and debris out of the engine, and when it becomes clogged, it can decrease the performance of your mower. Remove the air filter from the mower and use a soft brush to clean off any dirt or debris. If the filter is too dirty, replace it with a new one.
  • Spark Plugs – If the spark plugs are not firing correctly, it can cause the engine to run rough or not start at all. To fix this, check the spark plugs for dirt or debris and clean them if necessary. If they are worn out, you should replace them with new ones.

Pros And Cons Of Electric Vs. Gas Powered Lawn Mowers

There are pros and cons to electric and gas-powered lawn mowers; ultimately, your best choice will depend on your preferences and needs. Here are a few potential advantages and disadvantages of each:

Electric lawn mowers


  • Environmentally friendly: electric mowers produce zero emissions and are more eco-friendly than gas-powered models.
  • Quieter operation: electric mowers run more quietly than gas models, making them a better choice if you live in a suburban area where noise may be an issue.
  • Lower maintenance: Electric mowers can be a lower maintenance option since they don’t require oil changes or other regular maintenance like gas mowers.


  • Limited run time: electric mowers are typically powered by rechargeable batteries, which can run out of power quickly and require time to recharge.
  • Smaller cutting capacity: electric mowers may not be as powerful as gas mowers and struggle to cut through thick grass or tough weeds.
  • Limited mobility: the need to stay within range of an electrical outlet can limit your mobility and ability to cover larger areas.

Gas-powered lawn mowers


  • More power: gas mowers are typically more powerful than electric mowers and better able to handle tough cutting conditions.
  • Longer run time: gas mowers can run longer than electric mowers, allowing you to cover larger areas without stopping and recharging.
  • Greater mobility: since they are not tied to an electrical outlet, gas mowers can provide greater mobility and freedom of movement.


  • Higher emissions: gas mowers produce emissions, so they are less eco-friendly than electric mowers.
  • Louder operation: gas-powered mowers are typically louder than electric models and may not be best for suburban areas where noise is an issue.
  • More maintenance: gas mowers require regular oil changes and other maintenance, which can add to the overall cost of operation.

What Safety Precautions Should I Follow When Operating A Lawn Mower

What Safety Precautions Should I Follow When Operating A Lawn Mower?

When it comes to operating a lawn mower, safety should always be a top priority. Here are a few key safety precautions you should keep in mind:

  1. Wear appropriate clothing and protective gear. This includes sturdy, closed-toe shoes, long pants, and eye and ear protection.
  2. Clear the lawn of debris and obstacles before mowing. Remove any sticks, rocks, or other items that could become projectiles when hit by the mower.
  3. Keep children and pets away from the area being mowed. It’s also a good idea to keep them away from the mower itself while it’s in use.
  4. Keep the blade guard in place at all times. This will help prevent injuries from flying debris.
  5. Never refuel the lawn mower while it’s hot or running. Wait until it has cooled down completely before adding fuel.
  6. Follow the manufacturer’s instructions for starting and operating the mower. This will help ensure you don’t accidentally cause any damage or injuries.

How To Find The Right Size Lawn Mower For My Yard?

There are a few factors to consider when choosing the right size lawn mower for your yard. Here are some tips to help you find the perfect fit:

  • Assess the size of your yard. The larger the yard, the larger the lawn mower you need to cover the area efficiently. A push or electric mower should suffice if you have a small yard. Consider a ride-on mower or a self-propelled model for easier maneuverability for larger yards.
  • Consider the terrain. If your yard has hills or uneven terrain, a self-propelled mower with larger rear wheels will provide more stability on inclines and uneven surfaces.
  • Determine your level of physical ability. Consider an electric or self-propelled model if physical limitations make pushing a heavy mower difficult. Alternatively, a push mower may be your best option if you enjoy the exercise and prefer a more hands-on approach.
  • Think about the features you want. Some lawn mowers have additional features, such as bagging or mulching capabilities. Consider the benefits of these features and whether they are important to you and your lawn care needs.

What To Look For When Buying A Used Lawn Mower?

When buying a used lawn mower, there are several things to consider to ensure you get a good deal. Here are a few key considerations:

  1. Inspect the condition of the lawn mower. Look for any visible damage or wear and tear signs, such as rust, cracks, or dents. Check the blades, tires, and engine for any defects or issues.
  2. Start the mower and listen for irregular sounds or vibrations. A smooth, consistent engine noise is a good indication of a well-working machine.
  3. Check the maintenance history and ask the seller about any repairs or replacements made to the mower. This will give you a better idea of its condition and potential issues you may need to address.
  4. Consider the type of mower you need for your specific lawn size and terrain. If you have a large lawn, look for a riding mower or a self-propelled mower for easier use.
  5. Lastly, negotiate for a fair price and obtain the necessary documentation, such as a bill of sale, before finalizing the purchase.

What Do I Mix With Gas For Lawn Mower?

The best fuel to use in a lawn mower is regular unleaded gasoline. This type of fuel is designed for use in everyday engines and is best suited for lawn mowers.

You should also mix the fuel with oil specifically designed for 2-cycle engines to ensure the best performance for your mower. Regular gasoline has plenty of power to get the job done without the extra wear and tear on the engine from using premium gasoline.

When choosing an oil for your lawn mower, you should look for one specifically designed for 2-cycle engines. This oil is designed to lubricate the engine’s internal parts, ensuring it performs as expected.

The oil also helps to reduce wear and tear on the engine, extending its life. You should mix the oil with the gasoline in a 50-1 ratio, meaning for every gallon of gasoline, you should use 2.6 ounces of oil.

Using High Octane Fuel In Small Engines

Using high-octane fuel in small engines can be a tricky subject to navigate. Many wonder if premium or higher octane fuels should be used in lawn mowers and other small engines. The short answer is no; premium fuel is unnecessary for lawn mowers and other small engines.

The octane rating in gasoline refers to its energy content or how much energy can be released when the fuel is burned. Higher octane fuels have higher energy contents, so they burn more slowly. This is beneficial in high-performance engines as they can generate more power. Lawn mowers, however, are not designed to take advantage of the extra energy content of higher-octane fuels, so there is no benefit to using them.

Using premium fuels in small engines may cause damage. The extra energy in premium fuels can create more heat and pressure, which can damage the engine or cause the fuel to ignite prematurely. This can cause the engine to run poorly or even stop working altogether.

Premium fuel may also be more expensive than regular gasoline, so using it in small engines may be costly. In addition, the extra energy content of premium fuels may cause the engine to burn fuel more quickly. This can reduce the amount of time you can spend mowing the lawn before needing to refuel.

Can You Use Premium Gas In A Regular Car

Can You Use Premium Gas In A Regular Car?

Yes, you can use premium gas in a regular car. However, it is unnecessary unless your car’s manufacturer specifically recommends it.

Premium gas has a higher octane rating, which means it can withstand higher pressure without detonating or causing engine knocking. However, if your car is designed to run on regular gas, premium gas will not make it run better or improve its performance.

In fact, it can be a waste of money since premium gas is more expensive than regular gas. Stick to the type of gas your car’s manufacturer recommends for optimal performance and fuel efficiency.

Do Lawn Mowers Take Regular Gas?

Yes, most lawn mowers take regular gasoline. However, checking the owner’s manual is important to ensure you use the correct fuel type for your lawn mower model. Some mowers may require a different fuel type, such as ethanol-free gasoline or a gasoline-oil mixture.

Using the wrong fuel type can damage your mower’s engine and reduce lifespan, so it’s always best to follow the manufacturer’s recommendations. It’s also a good idea to use fresh gasoline and to add fuel stabilizer if you plan to store your lawn mower for an extended period.

Where To Buy Ethanol-Free Gas For Lawn Mower?

There are several options for buying ethanol-free gas for your lawn mower:

  1. Local gas stations: Some gas stations may offer ethanol-free gas, so it’s worth checking with them.
  2. Marine or RV fuel stations: These stations typically sell ethanol-free gas, as required for marine and RV engines.
  3. Hardware stores: Some hardware stores, such as Home Depot or Lowe’s, may sell ethanol-free gas for lawn mowers and other outdoor equipment.
  4. Online: You can also purchase ethanol-free gas online from retailers such as TruFuel or VP Small Engine Fuel, which offer pre-mixed, high-octane ethanol-free gas for small engines.

Before using ethanol-free gas, ensure your lawn mower is compatible with it and check the manufacturer’s recommendations for fuel types.

Where To Get Gas For Lawn Mower?

There are several places you can get gas for your lawn mower:

  1. Gas stations – most gas stations have gas pumps specifically for small engines like lawn mowers.
  2. Hardware stores – some hardware stores have gas cans available for purchase and will fill them for you.
  3. Garden centers – many garden centers have small engine fuel available for purchase.
  4. Home improvement stores – some home improvement stores have gas stations on-site or small engine fuel available for purchase.

Can I Use Premium Gas In My Honda Lawn Mower?

No, using premium gasoline in your Honda lawn mower is not recommended. Most lawn mowers are designed to use regular unleaded gasoline with an octane rating of 87.

Premium gas has a higher octane rating, which is unnecessary for small engines like those found in lawn mowers. Using premium gas can harm your lawn mower’s engine and reduce performance. The higher octane rating of premium gas can cause carbon buildup on the engine and foul the spark plugs.

It is best to use regular unleaded gas with an octane rating of 87 or higher, as Honda recommends for their small engines. Mix in the appropriate amount of oil according to your lawn mower’s instructions.


In conclusion, putting premium gas in a lawn mower is not recommended. Premium gas may have higher octane levels than regular gas, but it also contains more detergents and other additives that can damage the engine of a lawn mower. To ensure your lawn mower runs properly and efficiently, use the recommended grade of gasoline for your particular model.

Frequently Asked Questions:

Is premium petrol ok for lawn mowers?

Using premium petrol in a lawn mower is unnecessary and not recommended as lawn mowers have small engines that do not require high-octane fuel. It can be expensive and can damage the engine over time. Regular unleaded petrol with the correct fuel-to-oil ratio is recommended for optimal performance.

Is it ok to use premium gas in small engines?

Using premium gas in small engines is not necessary and can even damage the engine in some cases. Premium gas has a higher octane rating, which means it is designed for high-performance vehicles requiring a higher compression ratio. Therefore, using the type of fuel specified in the owner’s manual for small engines is recommended to ensure optimal performance and longevity.

What type of gas is best for lawn mowers?

Most lawn mowers use unleaded gasoline with an octane rating of 87 or higher.

What happens if I accidentally put premium gas in my lawn mower?

If you accidentally put premium gas in your lawn mower, you may experience decreased engine performance due to the higher octane rating. The higher octane rating could disrupt the correct air-fuel mixture of the engine, causing it to run too lean or too rich. Additionally, using premium gas could cause a build-up of deposits in the fuel system, resulting in clogged filters, carburetors, injectors, and other components. It is best to drain the gas tank and refill it with the correct fuel type as soon as possible.

What kind of oil should I use for my lawn mower?

The type of oil you should use for your lawn mower depends on the make and model of the mower as well as the age of the mower. Generally, lawn mower engines require either SAE 30 or SAE 10W-30 oil. Synthetic or conventional oil can be used, but it is important to read the manufacturer’s instructions for the best oil for your lawn mower.

How often should I change the oil in my lawn mower?

Changing the oil in your lawn mower at least once a year or after every 50 hours of use is recommended, whichever comes first.

What type of fuel is best to use in a lawn mower?

Regular unleaded gasoline is The best fuel to use in a lawn mower. It is important to use fresh fuel and avoid using fuel that has been stored for more than 30 days.

Is it necessary to use a fuel stabilizer when storing my lawn mower?

Yes, using a fuel stabilizer when storing your lawn mower is necessary. Fuel stabilizers will help to keep the fuel fresh and reduce the risk of engine damage caused by stale fuel. It also helps to prevent gum, varnish, and corrosion from forming in the fuel system.