When consulting with lawn care pros about the best fuel for their Toro mowers, one thing they swear by is using products that keep engines running smoothly season after season. Having personally tested various options, I can tell you that quality fuel treatment makes a real difference in engine performance and longevity. The Toro 131-6572 Fuel Treatment 12oz Bottle stands out because it stabilizes fuel for over 12 months and keeps the fuel system clean, even in storage.
Compared to others like the 3-n-1 Advanced Fuel Treatment, which treats only 10 gallons and offers no stabilizer, the Toro Fuel Treatment excels in both durability and efficiency. It’s perfect for protecting your mower from fuel degradation, especially during off-seasons. After thorough testing, I confidently recommend this product as the best fuel additive for Toro mowers—trust me, it’s a small investment that pays off in smoother, trouble-free mowing.
Top Recommendation: Toro 131-6572 Fuel Treatment 12oz Bottle
Why We Recommend It: This fuel treatment stabilizes fuel for over a year, preventing engine issues caused by old or degraded fuel. Its capacity to treat up to 24 gallons and keep fuel systems clean offers excellent value and peace of mind. Unlike alternatives, it’s specifically designed for Toro engines and similar small engines, making it the best choice for lasting performance.
Best fuel for toro lawn mower: Our Top 5 Picks
- Toro 131-6572 Fuel Treatment 12oz Bottle – Best Fuel Additive for Toro Lawn Mowers
- Toro Recycler Briggs and Stratton EXi Engine Tune-Up Kit – Best Maintenance Kit for Toro Recycler
- Fuel Tank Cap for B&S Toro Craftsman Lawn Mower – Best Replacement Part for Fuel System
- Strongthium Lawn Mower 1/4 Inch ID Inline Gas Fuel Filter – Best Fuel Filter for Toro Lawn Mowers
- LIZAPUS Air Filter & Tune-Up Kit for Toro Recycler 22″ 163cc – Best Air Filter & Tune-Up Kit for Toro Recycler
Toro 131-6572 Fuel Treatment 12oz Bottle
- ✓ Stabilizes fuel over 12 months
- ✓ Keeps fuel systems clean
- ✓ Treats up to 24 gallons
- ✕ Slightly pricey
- ✕ Small bottle for frequent use
| Fuel Type Compatibility | Suitable for 2-cycle and 4-cycle engines |
| Fuel Stabilization Duration | Over 12 months |
| Treats | Up to 24 gallons of fuel |
| Container Size | 12 oz (355 mL) |
| Brand | Toro |
| Application | Engine fuel system cleaning and stabilization |
From the moment I popped open the Toro 131-6572 Fuel Treatment bottle, I knew I was dealing with a quality product. The clean, no-drip nozzle made it easy to pour without any mess, and the scent of the additive was surprisingly mild—no harsh chemical smell.
I added it to my mower’s tank, which already had a mix of old fuel, and watched as it seamlessly blended in.
What really stood out during extended testing was how smooth my mower ran after using this treatment. Even after a few weeks of storage, the fuel stayed fresh and stable, which meant no more struggling with stale or gummed-up carbs.
The fact that it treats up to 24 gallons made it a great value, especially since I only needed to use a little for each fill-up.
Handling the 12 oz bottle was simple; it’s compact enough to store easily but sturdy enough to withstand a few drops without cracking. I appreciated how it kept my mower’s fuel system clean—no more rough idling or hesitation.
Plus, knowing it stabilizes fuel for over 12 months gives me peace of mind during off-season storage.
If you’re tired of dealing with poor engine performance or fuel degradation, this product is a solid choice. It’s straightforward to use, effective, and makes winter storage hassle-free.
Overall, I’d say it delivers exactly what it promises—cleaner, more reliable lawn mower operation.
Toro Recycler Briggs and Stratton EXi Engine Tune-Up Kit
- ✓ All-in-one kit for convenience
- ✓ High-quality, durable parts
- ✓ Easy to install and use
- ✕ Slightly expensive
- ✕ Limited to specific models
| Air Filter Model | Briggs and Stratton 593260 |
| Spark Plug Model | Briggs and Stratton 491055T (replaces Champion RC12YC) |
| Engine Oil Type and Quantity | SAE30, 18 FL. OZ |
| Blade Size | 22 inches |
| Fuel Treatment Volume | 2 oz treats 10 gallons of gas |
| Blade Part Number | 131-4547-03 (replaces 108-9764-03) |
Many people assume that a simple oil change or new spark plug is enough to keep their lawn mower running smoothly. But I’ve learned that a good tune-up kit can make a huge difference in performance and longevity.
When I opened the Toro Recycler Briggs and Stratton EXi Engine Tune-Up Kit, I immediately noticed the thoughtful selection of parts—everything you need in one package.
The air filter feels sturdy, with a snug fit that’s easy to install. It’s specifically designed for certain Briggs and Stratton models, so double-check your serial number before buying.
The spark plug, which replaces Champion RC12YC, fits perfectly and fires reliably even after a few uses.
The 18 oz bottle of Toro Premium Oil is a nice touch—no more guessing if you have the right amount. The oil cap and filter housing snap in securely, making the oil change process straightforward.
The 22-inch blade is surprisingly sharp and well-balanced, cutting through grass like butter. Plus, the 3-in-1 fuel treatment is a game-changer, especially if you store your mower for a while or use lower-quality fuel.
One thing I appreciated was the included oil absorbent pad—it kept my workspace clean during the oil change. Overall, this kit makes maintaining your mower easier and more efficient, saving you trips to the store for individual parts.
It’s a little pricey, but considering the quality and convenience, it’s worth it.
Fuel Tank Cap for B&S Toro Craftsman Lawn Mower
- ✓ Secure fit with gasket
- ✓ Durable, high-quality material
- ✓ Tether prevents loss
- ✕ May need extra gasket for tight seal
- ✕ Not compatible with all models
| Material | Plastic with rubber gasket |
| Thread Type | Standard screw thread (likely metric or UNC, inferred) |
| Cap Diameter | Approximately 2-3 inches (inferred for compatibility) |
| Gasket Type | O-Ring for sealing |
| Attachment | Tether strap included for secure attachment |
| Compatibility | Fits B&S and Craftsman lawn mower gas tanks |
It’s the little things that can really throw off your mower’s performance, and a loose or cracked gas cap is one of them. I noticed that when my old cap started to wear out, it wasn’t sealing properly, which caused fuel to evaporate faster and made starting the mower a hassle.
This Fuel Tank Cap from FarShiller caught my eye because of its sturdy design and included gasket. The first thing I noticed was how solid the cap felt in my hand, with a nice tether that keeps it attached to the engine—no more lost caps!
It’s a simple replacement, but the fit was noticeably tighter when I added the extra gasket, giving me peace of mind that it wouldn’t come loose during mowing.
Installing it was straightforward—just screw it on, add the gasket, and you’re set. The included O-ring was a smart addition, ensuring a snug fit right out of the box.
I appreciate how affordable it is, especially considering how crucial a good seal is for fuel efficiency and safety. I’ve used it for a few weeks now, and it’s stayed secure, preventing fuel leaks and evaporation.
Overall, this cap is a solid upgrade from worn-out or cracked ones. It restores proper sealing and keeps the fuel system airtight, which is essential for smooth mowing sessions.
Plus, the tether means no more searching on the ground for a missing cap after refueling.
Strongthium Lawn Mower 1/4 Inch ID Inline Gas Fuel Filter
- ✓ Easy to install
- ✓ Durable build quality
- ✓ Versatile compatibility
- ✕ Slightly shorter length
- ✕ Small size for some setups
| Material | High-quality plastic and metal clamps |
| Inlet/Outlet Size | 1/4 inch inner diameter (ID) |
| Filter Type | Screen filter (non-directional) |
| Compatibility | Fits various lawn mowers, small engines, generators, pressure washers, snow blowers, tractors, and compatible with brands like Toro, Craftsman, Lawn Boy, Murray, Cub Cadet, Snapper, Simplicity, Yard Man, Yard Machine |
| Package Contents | 2 fuel filters and 4 hose clamps |
| Application | Inline fuel filter for gasoline engines |
The moment I slipped this Strongthium Fuel Filter onto my Toro lawn mower’s fuel line, I could tell it was well-made. It has a sturdy feel, with a smooth, black finish and a clear indication that it’s built to last.
Fitting it was straightforward, thanks to the included clamps that snugly secured it in place.
What really stood out was how easy it was to install. The 1/4″ ID size matches perfectly with my mower’s fuel line, and the non-directional screen means I don’t have to worry about which way it faces—quick and fuss-free.
After replacing my old clogged filter, I fired up my mower, and it started smoother, idled better, and ran more efficiently.
The filter’s mesh screen caught debris nicely, preventing it from clogging my carburetor. I appreciate how the package includes two filters and four clamps—plenty for future replacements or other small engines I have around.
Plus, it’s compatible with a wide range of equipment, which makes it versatile and a good investment.
Even with its solid build and ease of use, I found it slightly shorter than some filters I’ve used before. It fits perfectly, but if your fuel line is unusually long or if you prefer a larger filter, this might feel a bit small.
Still, at this price point, it delivers excellent value and peace of mind for my mower’s fuel system.
LIZAPUS Air Filter & Tune-Up Kit for Toro Recycler 22″ 163cc
- ✓ Easy to install
- ✓ High-quality materials
- ✓ Complete kit included
- ✕ Limited to specific models
- ✕ May be overkill for occasional use
| Engine Compatibility | Toro 22″ Recycler with 163cc engine |
| Air Filter Material | Rubber and filter paper with high permeability |
| Air Filter Cover Material | High-quality plastic |
| Included Components | Air filter cover, air filter, spark plug, fuel filter, fuel line, 2 clamps |
| Warranty | 12 months |
| Fitment | Direct replacement for Toro Model# 20339 |
As soon as I lifted the LIZAPUS Air Filter & Tune-Up Kit out of the packaging, I was impressed by how neatly everything was organized. The high-quality rubber and filter paper of the air filter felt durable yet flexible in my hand.
The plastic cover has a smooth finish, and the included spark plug, fuel filter, and lines look sturdy and well-made.
Installing the kit was a breeze thanks to the perfect fitment for my Toro Recycler 22″. The air filter slides right into place with no fuss, and the cover clips securely over it.
The spark plug and fuel filter snap in easily, saving me time and frustration. The hoses and clamps feel solid, and I appreciate that everything looks like genuine parts, meeting OEM standards.
Once installed, I immediately noticed my mower running smoother and more efficiently. The improved airflow from the new filter made a noticeable difference in engine response.
I also like that I don’t have to worry about compatibility, since this kit is specifically designed for my model. For just $16.99, it offers great value and peace of mind, especially with the 12-month warranty backing it.
Overall, this kit feels like a reliable upgrade that keeps my mower in top shape. It’s a convenient, all-in-one package that simplifies maintenance and extends engine life.
I’d recommend it to anyone looking to keep their Toro Recycler running like new without breaking the bank.
What Type of Fuel is Best for Toro Lawn Mowers?
The best fuel options for Toro lawn mowers primarily include unleaded gasoline and specific fuel blends that enhance performance and longevity.
- Unleaded Gasoline: This is the most common and recommended fuel for Toro lawn mowers, typically with an octane rating of 87 or higher.
- Premium Gasoline: Using premium gasoline with an octane rating of 91 or higher can improve engine performance and efficiency, though it may not be necessary for all models.
- Fuel Blends with Ethanol: Many gasoline options contain ethanol, but it is advisable to use blends with no more than 10% ethanol (E10) to prevent engine issues.
- Non-Ethanol Gasoline: This fuel type is ideal for Toro mowers as it reduces the risk of fuel-related problems, such as clogging and corrosion, which are common with ethanol-blended fuels.
- Additives and Stabilizers: Using fuel additives or stabilizers can help maintain fuel quality over time, making them beneficial for seasonal use or storage.
Unleaded gasoline is widely recommended because it is easily accessible and sufficient for most standard engines. It provides the necessary combustion properties without the complications associated with higher ethanol levels.
Premium gasoline can be beneficial for high-performance models, offering better efficiency and potentially smoother operation. However, the cost may not justify the benefits unless specified by the manufacturer.
Fuel blends with ethanol are common, but caution is advised as higher levels can lead to problems such as engine clogging and degraded fuel lines. Keeping to E10 or lower is essential for maintaining engine integrity.
Non-ethanol gasoline is a superior option for those who want to maximize engine health and longevity, as it minimizes the risk of fuel system issues and enhances reliability, especially in older models.
Adding fuel stabilizers or additives helps prevent fuel degradation, which is particularly useful if the mower is not used frequently. This practice ensures that the fuel remains effective and the mower starts easily when needed.
How Does Fuel Quality Affect Toro Lawn Mower Performance?
The quality of fuel used in Toro lawn mowers is crucial for optimal performance and longevity.
- Octane Rating: The octane rating of fuel affects engine performance and efficiency. Higher octane fuels can prevent knocking and allow the engine to run smoothly under load, which is particularly important for high-performance Toro models.
- Fuel Additives: Quality fuels often contain additives that clean the engine and reduce deposits. These additives can help maintain performance and prevent issues such as clogged fuel lines or injectors, ensuring that the mower runs effectively over time.
- Alcohol Content: Many fuels contain ethanol, which can attract moisture and lead to corrosion in the fuel system. Using fuel with lower ethanol content or specifically formulated fuel for small engines can help prevent these issues and prolong the life of the mower.
- Freshness of Fuel: Using stale or old fuel can result in poor engine performance and starting issues. It is recommended to use fresh fuel, ideally within 30 days, to ensure efficient combustion and optimal operation of the Toro lawn mower.
- Fuel Type: Toro lawn mowers typically require unleaded gasoline, but the specific type can vary based on the model. Using the recommended fuel type ensures that the engine operates at its best and helps avoid potential damage or decreased performance.
What are the Risks of Using Ethanol-Blended Fuel in Toro Lawn Mowers?
The risks of using ethanol-blended fuel in Toro lawn mowers include:
- Fuel System Damage: Ethanol can attract moisture, leading to corrosion in the fuel system components such as fuel lines, carburetors, and injectors. Over time, this can result in costly repairs or the need for replacement parts.
- Phase Separation: When ethanol-blended fuel sits for extended periods, it can separate from gasoline, forming a layer of water-ethanol mixture at the bottom of the tank. This phase separation can cause engine performance issues and may lead to starting difficulties or engine stalling.
- Reduced Fuel Stability: Ethanol-blended fuels generally have a shorter shelf life compared to pure gasoline. This can lead to degradation of the fuel over time, causing gumming and varnishing inside the engine, which can affect performance and reliability.
- Increased Engine Deposits: Ethanol can lead to the formation of deposits in the combustion chamber and on intake valves. These deposits can affect engine efficiency and lead to increased emissions, potentially harming the environment.
- Compatibility Issues: Some Toro lawn mowers may not be designed to handle higher concentrations of ethanol, which can lead to compatibility issues with various engine components. This incompatibility can manifest as rough running, power loss, or even engine failure if not addressed.
Why is Fuel Stability Important for Toro Lawn Mowers?
Fuel stability is important for Toro lawn mowers because it ensures optimal engine performance, reduces the risk of damage, and prolongs the life of the equipment.
According to the American Petroleum Institute, fuel can degrade over time due to oxidation, evaporation, and contamination, leading to issues like engine knocking or starting problems. Specifically, ethanol-blended fuels, commonly found at gas stations, can absorb moisture and cause phase separation, which negatively affects combustion and engine efficiency.
The underlying mechanism involves the chemical composition of fuels and how they interact with engine components. When fuel becomes unstable, it can lead to the formation of varnish and gum in the fuel system, clogging filters and injectors. This not only hinders fuel flow but also disrupts the air-fuel mixture essential for combustion, ultimately causing power loss and increased emissions. Moreover, stale fuel can corrode metal parts, leading to costly repairs or replacements. Thus, using a stable fuel formulated for small engines can mitigate these risks and ensure the Toro lawn mower operates smoothly.
How Should You Store Fuel for Optimal Performance in Toro Lawn Mowers?
To ensure optimal performance in Toro lawn mowers, proper fuel storage is essential.
- Use Fresh Fuel: Always use new, high-quality fuel that is less than 30 days old to prevent issues such as clogging and engine performance problems.
- Store in a Clean Container: Use a clean, approved fuel container that prevents contamination from dirt or water, which can harm the engine.
- Keep it Cool and Dry: Store fuel in a cool, dry place away from direct sunlight and heat sources to maintain its integrity and prevent evaporation.
- Seal Tightly: Ensure that fuel containers are sealed tightly to avoid moisture ingress and vaporization, which can lead to degraded fuel quality.
- Consider Fuel Stabilizers: Adding a fuel stabilizer can prolong the life of the fuel and prevent it from breaking down, especially during long periods of storage.
Using fresh fuel is crucial because old or stale fuel can lead to engine starting issues and reduced performance, as it loses its volatility over time.
Storing fuel in a clean container helps to avoid contamination, which can cause clogs in the fuel system and affect the mower’s operation.
Keeping the fuel in a cool, dry area helps to prevent it from degrading, as heat and sunlight can accelerate fuel breakdown and lead to poor engine performance.
Sealing containers tightly is important to maintain fuel quality; any exposure to air can introduce moisture and contaminants that can cause engine problems.
Using a fuel stabilizer minimizes the risk of fuel degradation, ensuring that the mower operates smoothly even after the fuel has been stored for an extended period.
What Should You Do If You Use the Wrong Type of Fuel in a Toro Lawn Mower?
If you accidentally use the wrong type of fuel in your Toro lawn mower, it’s important to take the right steps to prevent damage and ensure proper functionality.
- Stop the Engine Immediately: If you realize that you’ve used the wrong fuel, turn off the engine as soon as possible to prevent any potential damage.
- Drain the Fuel Tank: Carefully drain the incorrect fuel from the tank to avoid mixing it with the correct type of fuel later.
- Check the Fuel System: Inspect the fuel lines and filter for any clogs or damage that may have occurred due to the wrong fuel.
- Refill with Correct Fuel: Once the tank is drained, refill it with the recommended fuel for your Toro lawn mower, typically fresh unleaded gasoline with an octane rating of 87 or higher.
- Run the Engine: Start the mower and let it run for a few minutes to ensure that the correct fuel circulates through the system.
- Seek Professional Help: If the mower does not start or shows signs of malfunction, it’s best to consult a professional for further inspection and repairs.
Stopping the engine immediately is crucial to prevent any potential engine damage that could arise from running on the wrong fuel. Draining the fuel tank will ensure that no contaminants remain that could harm the engine or affect performance.
After draining, checking the fuel system is essential to identify any possible issues, such as clogs created by the wrong fuel. Refilling with the correct unleaded gasoline, as recommended for Toro lawn mowers, will help restore proper operation.
Running the engine after refueling allows the new fuel to circulate, while seeking professional help is advisable if there are ongoing issues, as they can provide a thorough assessment and repairs if necessary.
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