Is your trusty lawn mower sputtering when it should be humming? A healthy engine starts with the right fuel. Choosing the correct gasoline for your lawn mower is more important than you might think. Using the wrong type can cause clogs, damage the engine, and make your weekend chore a frustrating mess. Many homeowners feel lost when standing in front of the gas pump, wondering about octane levels and ethanol.
Don’t let bad fuel sideline your weekend yard work! We know you want a powerful, long-lasting mower that starts easily every time. This guide cuts through the confusing jargon. We will clearly explain which fuels are safe, which to avoid, and how to keep your machine running smoothly all season long. Keep reading to unlock the secrets to perfect lawn mower performance and say goodbye to frustrating starting problems for good.
Top Fuel For Lawn Mower Recommendations
- FIXES ROUGH RUNNING ENGINES – STA-BIL Fast Fix eats away at gum and varnish that cause rough starts and no starts in your small engine equipment. This easy-to-use fuel additive combats the effects of ethanol blended gasoline
- ELIMINATES WATER – This fuel injector cleaner helps to remove water that may get into your fuel system. Penetrating deep into the fuel line, this simple fuel additive prevents the need to disassemble the engine. The 8 oz. bottle of this alcohol-free fuel additive treats up to 20 gallons of fuel
- VERSATILE – Compatible with all small engines, adding STA-BIL Fast Fix to your 2-cycle or 4-cycle small engine cleans carburetors and injectors while acting as a water remover. Use this product in your lawn mower, chainsaw, trimmer, snow blower, generator, and more
- DIRECTIONS – For rough running engines use 1 oz. of STA-BIL Fast Fix per 2.5 gallons of fuel. Fill with fresh gas. Start the engine and allow to run for 15 minutes to allow the additive to work its way through the fuel system. If the engine does not start, attempt to turn it over a few times so the additive makes its way through the fuel system and allow to sit overnight. Attempt to start again, if problems persist you may need to have it looked at by a mechanic
- All STA-BIL branded products are good for use up to 2 years after the bottle was opened. Be sure to mark the date you opened the bottle on the back of your package!
- Replacement part number: 184900, 109202X, 105738X, 532184900, 532109202
- Compatible with Husqvarna Model: LT 1538 B, LT 1538 C, LT 1538 D, LT 18542, LT 18542 A, LT 18542 B, LTH 1742 A, LTH 1742 B, LTH 1742 C, LTH 1742 D, YTH 1842 A, YTH 1842 B, YTH 1842 C, Y125H38A, Y125H42A, Y12R38B, Y1242C, Y1242D, Y12538B, Y12542D, Y12542E, Y12542G, Y12592RBA, Y1292RBA, Y1292RBB, Y1442A, Y1442B
- Compatible with Craftsman Model: DYT4000 LT1000 LTX-1000 T1000 LT2000
- This product is made of high quality materials, durable, not easy to deform, strong, long service life
- Compatible with Po-ulan Model: PP1238, PP1238A, 271190, PO14542B, PO14542C, PO14542D, PO14542E, PO14542F, PO17542STD, 270450, 271470, 271491, PO165H42C
- For BS and Mur-ray Lawn Mower, Replaces part number: 7601092, 7601092MA,94073, 94073MA, 690294MA, 690280
- Compatible with Lawn Tractor Models: 2690892 - EBL155420H, 15.5HP 42" (2010), 2690997 - MT145380, 14.5HP 38" (2012), 2690998 - MT155380H, 15.5HP 38" (2012), 2690999 - MT155420H, 15.5HP 42" (2012), 2691197-00 - MT145380, 14.5HP 38" (2013), 2691198-00 - MT155380, 15.5HP 38" (2013), 2691199-00 - MT155420H, 15.5HP 42" (2013), 405000x31A 40", 405000x8A 40", 405000x8B 40", 405005x99A 40", 405007x18A 40", 405030x48A 40", 40508x92G 40", 40508x92H 40", 405601x30A 40", 405601x50A 40", 425000x8A 42", 425002x99A 42", 425007x92B 42", 425007x92C 42", 425303x92B 42", 425306x48A 42", 425307x24A 42", 425600x31A 42", 425615x30A 42", 425615x50A 42", 425618x48A 42", 312000x68A
- Compatible with Lawn Tractor Models: 7800292 (385002x108C), 7800412 (EYK125380), 7800303 (425621x108D), 7800410 (ELT155420G), 7800411 (ELT155420H), 7800413 (EYK155420G), 7800414 (EYK155420H), 7800399 (ELT175460H), 7800400 (ELT12460H), 7800416 (EYK12460H), 7800274 (312006x11E), 7800275 (309006x78C), 7800276 (385048x114), 7800277 (385048x51A), 7800294 (385002x78D), 7800319 (385048x151), 7800278 (405021x114), 7800279 (405021x51), 7800280 (405628x114), 7800281 (405628x51), 7800295 (405012x108), 7800297 (405012x108), 7800300 (405606x78C), 7800320 (405021x151)
- Compatible with Lawn Tractor Models: 7800321 (405628x151), 7800282 (425307x51A), 7800302 (425017x78B), 7800303 (425621x108C), 7800304 (425622x78C), 312006x50C, 385002x108B, 385003x108, 385047x51A, 405013x50C, 405020x51A, 405606x50C, 405612x108, 405627x51A, 425621x108B 42", 425622x50C 42", 312006x50B-SW 30", 312006x78B 30", 385002x50B-SW 38", 385002x78C 38", 385044x51A-SW 38", 405013x50B-SW 40", 405606x50B-SW 40", 405606x78B 40", 405607x78A 40", 405625x51A-SW 40", 425622x50B-SW 42", 425622x78B 42", 425640x50B-SW 42", 312002x11B 30", 312006x50A 30", 385000x68B 38", 385001x51A 38", 385002x108A 38", 385002x50A 38", 385002x78A 38", 385002x78B 38"
- Compatible with Lawn Tractor Models: 385000x68A 38", 385014x98B 38", 385015x50B 38", 385015x50C 38", 385016x78A 38", 385021x53A 38", 405000x31B 40", 405000x8C 40", 405000x8D 40", 405004x50B 40", 405004x52A 40", 405005x99B 40", 405005x99C 40", 405007x18B 40", 405012x78A 40", 405030x48B 40", 405030x48C 40", 405602x51A 40", 405604x53A 40", 312000x68B 31", 312000x98B 31", 312002x98A 31", 312003x50A 31", 385008x51B 38", 385008x52B 38", 385009x98B 38", 385012x68B 38", 385013x51A 38", 385014x98A 38", 385015x50A 38", 385300x30A 38"
- Prevent Gasoline Leaks - If an old 4-quart fuel tank is constantly dripping gasoline at the seams, replacing it with a new fuel tank can effectively solve this issue. When installing this component, ensure to work in a well-ventilated area.
- Simple Installation - The top of the gas tank features mounting brackets and screw holes, allowing it to be securely fixed with two bolts. Before beginning the installation, make sure to drain the existing fuel from the tank and disconnect the spark plug wires.
- Sturdy and Long-lasting - Our 691993 fuel tank is constructed from high-quality plastic, while the fuel shut-off valve insertion hole is made of durable aluminum, minimizing the risk of cracking. This makes it an ideal replacement for your original fuel gas tank, offering an extended service life. Remember to allow the engine to cool for 2 minutes before refueling.
- Wide Compatibility - Our 691993 fuel gas tank is compatible with various lawn and garden machines such as garden way chipper/shredder, specific snow blowers, tillers, leaf blowers, log splitters, and more, designed for remote mounting.
- Kit Includes - Each kit contains 1x Fuel Tank, 1x Shut Off Valve, and 1x Fuel Cap, providing you with everything you need for a hassle-free replacement of your old fuel tank.
- Compatible Models: Fuel pickup with o-ring fit for John Deere lawn mower 107S, D100 (500,001-), D105 (500,001-), D110 (500,001-), D120 (500,001-), D125, D130, D140, D150 (500,001-), D155, D160 (200,001-), D170 (500,001-), E100, E110, E120, E130, E140, E150, E160, E170, E180, S240, X105, X106, X125 (050,001-), X126, X145 (050,001-), X165 (050,001-), X166
- Replacement Part Number: Fuel pickup replacement part number GY21567 GY21265
- Function: The fuel suction pipe is an important part of the lawn mower's fuel system and is responsible for transporting fuel from the tank to the engine, o-rings prevent fluid leakage to ensure sealing
- Material: The fuel pickup is made of high-quality materials, which is heat-resistant, load-bearing and durable, ensuring the normal and efficient operation of the lawn tractor
- Includes Complete Set: 1*fuel pickup 1*o-ring
- Lawn Mower Fuel Line - Upgraded Set: The Huthbrother includes 6-Foot Length Stretchy 1/4 Inch ID Fuel Line+ 2 Pcs 5/16 Inch Fuel Filters + 10 Pcs 2/5" ID Hose Clamps +2 Pcs 1/4 698183 Fuel Shut & 1 Pcs Carb Carburetor jet cleaning brushes. Fuel filters and hose clamps are required for the use of fuel line. You do not need to purchase those part extra. The dimensions of the various components within the kit are 100% compatible
- 3-layer thickened fuel line: The fuel line is divided into 2-layers: inner pipe, outer pipe. pipe are made of rubber. Wall thickness is 2.94mm. Oil resistant, cold-resistant and ethanol tolerance. 6 Foot hose can be cut to size for all your applications
- Hose Clamps: Made of 65Mn Spring Steel, durable and can be reused. Tight clamping force prevents liquid leakage
- Multiple Application: The brushes and Needles are useful to clean small orifices such as nozzles, air tools, camping stoves, and so on. They are also suitable for all auto motorcycles, ATV, Welder, tattoo device, lawn equipment, snow blower and many other power sport carburetor
- Wide Application: Designed for conveying gasoline, E-85, diesel, and bio-diesel. Works with mowers tractors, snow blowers, dirt bikes, and just about all small engines
- Package Contain 1 x fuel tank, the product contains all the accessories shown in the picture
- 501424344 Fuel Tank Compatible with Husqvarna Craftsman Weedeater Poulan lawn mower, fuel Tank Replacement, The perfect replacement for used as well as damaged Fuel Tanks to keep your lawn mower running efficiently at all times.
- Our products are made of high-quality plastic, seal well, are easy to install or replace, and are relatively easy to use
- If you have any questions about the product, please contact us in time
- NOTE: For your pleasant shopping experience, please check carefully whether our products are suitable for your machine model before purchasing this product. If there is any problem, please contact us in time
- 【 Wide compatibility 】: Suitable for lawn mowers (Lawn Mower), small engines (Small Engine), and mainstream brands (Kohler/John Deere/Kawasaki), supporting 5/16 inch and 1/4 inch fuel pipes, optimized for gasoline (Gas) systems.
- 【 Multi layer pleated filter technology 】: Adopting a precise 3D wave and wrinkle structure, the filtration area is increased, achieving gradient filtration. Paired with an anti collapse support layer, the pollutant capacity reaches 80g, extending the service life by three times compared to flat filter cartridges. It is particularly suitable for the high gel properties of ethanol gasoline, ensuring continuous and efficient filtration.
- Durable and leak proof structure: Strengthen the combination of nylon shell and metal core; The transparent design facilitates real-time observation of the oil circuit status, and the inline fuel filter structure ensures that there is no risk of leakage during installation.
- 【Ready to use set】: 12 high flow fuel filters with 10 buckles inside each set, ensuring that the fuel filters can stay firmly in the car without falling off. Suitable for replacing or backup lawnmower fuel filters, it can be quickly installed without tools, solving the compatibility requirements of 5/16 fuel filters and 1/4 fuel filters.
- 【Multi scenario application】: Perfectly matched with small equipment such as lawn mowers, generators, and chainsaws, it is an ideal choice to replace gas filters and inline fuel filters, and is certified safe and reliable by ASTM in the United States. Our fuel filters are designed specifically for various small engines, suitable for lawn mowers, lawn mowers, generators, snow blowers, and other equipment, ensuring efficient and clean fuel systems and extending engine life
The Essential Guide to Choosing the Right Fuel for Your Lawn Mower
Keeping your lawn mower running smoothly is key to a beautiful yard. The fuel you choose plays a huge role in how well your machine works. This guide will help you pick the best fuel for your engine. We will look at what matters most when buying.
Key Features to Look For in Lawn Mower Fuel
Not all fuels are the same. Good fuel offers reliable performance. Here are the top things you should check:
- Octane Rating: This number tells you how well the fuel resists knocking. Most modern lawn mowers need regular unleaded gasoline, which usually has an 87 octane rating. Check your mower’s manual first!
- Ethanol Content: Ethanol is an alcohol mixed into gasoline. Low or no ethanol is usually better for small engines. High ethanol (like E10 or E15) can damage rubber parts and attract water over time.
- Freshness: Fuel goes bad! Stale fuel causes starting problems. Always buy fresh fuel, especially if you do not use your mower often.
- Stabilizers: If you store fuel for more than a month, choose a fuel that already has a stabilizer added. Stabilizers keep the fuel from breaking down.
Important Materials and Fuel Types
Lawn mowers mostly use gasoline engines. However, the additives in the fuel matter greatly.
Gasoline vs. Mixed Fuel
Most modern push and riding mowers use straight, unleaded gasoline. However, older two-stroke engines (often found in string trimmers or some older chainsaws, but sometimes in older mowers) require you to mix oil directly with the gasoline. Always know what your engine needs.
The Role of Additives
High-quality fuels often contain detergents and anti-corrosion agents. These materials help keep the carburetor clean. A clean carburetor means your mower starts easily every time.
Factors That Improve or Reduce Fuel Quality
What makes one can of gas better than another? It comes down to how clean and stable the fuel is.
Quality Boosters
Fuel rated as “Top Tier” gasoline often meets higher standards for cleanliness. These fuels burn cleaner and leave fewer deposits inside your engine. Using premium fuel is usually not necessary for lawn mowers, but clean, fresh, non-ethanol fuel is always a quality booster.
Quality Reducers
The biggest enemy of lawn mower fuel is time and water. Fuel left in the tank over winter breaks down chemically. This sticky residue clogs small fuel lines. Water contamination, often caused by ethanol attracting moisture, causes rust and poor running. Always drain the fuel tank or use a fuel stabilizer if storing the mower for over 30 days.
User Experience and Use Cases
The right fuel choice directly affects how easy your yard work is.
Easy Starting
If you use fresh, stabilized fuel, your mower will start on the first or second pull. If you use old, ethanol-heavy fuel, you will spend frustrating minutes trying to get the engine to turn over. Reliable starting saves time and reduces stress.
Engine Longevity
Fuel that keeps the engine clean protects expensive parts. Clean fuel reduces wear and tear. This means your mower lasts longer before needing major repairs. A well-fueled engine runs cooler and uses fuel more efficiently.
For the best experience, use the fuel recommended by the manufacturer and always use it up or stabilize it before winter storage.
10 Frequently Asked Questions (FAQ) About Lawn Mower Fuel
Q: Can I use E15 or E85 gasoline in my lawn mower?
A: Generally, no. E15 (15% ethanol) and E85 (85% ethanol) are too high for most small engines. They can damage rubber hoses and gaskets. Always stick to 87 octane unleaded fuel with 10% ethanol (E10) or less.
Q: Does premium gasoline make my mower run better?
A: Usually, no. Most standard lawn mowers are designed for 87 octane. Using higher octane fuel wastes money and does not provide extra power unless your engine specifically requires it.
Q: How long does gasoline stay good in a gas can?
A: Fresh, untreated gasoline lasts about 30 to 60 days. If you add a fuel stabilizer right away, it can last up to a year.
Q: What is the best fuel for winter storage?
A: The best practice is to run the mower until the tank is completely empty. If you cannot empty it, fill the tank fully and add a high-quality fuel stabilizer.
Q: Should I use ethanol-free gas if I can find it?
A: Yes, if available and affordable. Ethanol-free gas is better for small engines because it does not attract water, which prevents corrosion.
Q: Why won’t my mower start after sitting all winter?
A: Nine times out of ten, it is because the old fuel has gone bad and clogged the carburetor jets. You need to drain the old fuel and clean the carburetor.
Q: What is the difference between 2-cycle and 4-cycle fuel?
A: A 4-cycle engine (most modern mowers) uses straight gasoline. A 2-cycle engine requires you to mix special 2-cycle oil into the gasoline before pouring it in.
Q: Does fuel stabilizer actually work?
A: Yes, fuel stabilizers prevent the chemical breakdown of gasoline. They keep the fuel usable for many months longer than untreated fuel.
Q: Is it okay to use gas from a gas station that just got a fresh delivery?
A: It is best to avoid it for a few days. New deliveries can stir up sediment at the bottom of the station’s tank. This dirty fuel could potentially go into your mower.
Q: If my mower has an electric start, does fuel choice matter less?
A: No. The starting method is separate from the engine’s need for clean fuel. Bad fuel will still damage the engine, even if it starts easily.