Lawn mower mix oil. How Much Oil Does a Lawn Mower Take? Helpful list

How Much Oil Does a Lawn Mower Take? Helpful list

The correct amount of engine oil in a mower is important; too little or too much can be fatal, and both will void your manufacturer’s warranty.

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How-To: Oil and Gasoline Pouring of the Lawn Mower

So how much oil does a lawnmower take? Most walk-behind mower engines like Briggs and Stratton will take from empty approximately.65 us quarts (.6lt); Honda walk-behind mowers will take a little less.58 us quarts (.55lts).

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If your mower is a tractor mower, check out (internal link) “Can I use 10W30 in my mower?”.

For exact specs, see:

This post should have you covered. If you need video help, check out “Checking mower engine oil video” and “Mower engine tune-up video”. The videos walk you through the process of checking, topping up, and changing your mower engine oil.

What Oil Type?

Oil type recommendations will vary between makes, and you should, of course, use the oil type specified. While your mower may be branded Cub Cadet, Toro, etc., it may well be fitted with a Honda, Briggs Stratton, Kohler, or some other engine make.

The engine maker will be marked on the cover. Mostly, oil type is dependent upon outside temperatures, as this changes the viscosity (resistance to flow) of oil. Modern engines will use a multi-grade such as 10W30 and older engines SAE30.

Single Grade Oil

Single-weight oil such as SAE30 has a good working range (40 to 100 deg F) and is fine for older engines. I prefer to use multi-grade oils, they offer greater protection from temperature swings, and modern engines are designed to use them. If you’re using any four-stroke engine in colder temperatures, you will need multi-grade oil.

Multi Grade Oil

Multi-grade is best for modern engines. This oil was developed to help better protect engines within a larger temperature swing range before their development. Car owners would have to change their oil to a lighter grade oil for winter use—Multigrade, so-called as they are blended oils.

Take, for example, the grade 10W30. The 10W part relates to the grade of winter oil in the blend, and the 30 part relates to the protection offered at hotter temperatures. The resistance to flow rate is tested and graded at 0 degrees F and at 212 degrees F.

If you need lawnmower engine oil check out the Amazon link below.

Synthetic Oil

Part synthetic and full synthetic oils will offer the very best protection. However, they are expensive. Another great advantage to modern blended oils – the detergent component in the oil actually cleans and breaks down combustion-related contaminates inside the engine.

These contaminants turn into a black sludge, aka Black death, which loves to eat away at the metal and clog up vital oil passages. Use only quality oils. Otherwise, you may void your warranty. Look for the seal of ​API (American Petroleum Institute) and ACEA (Association des Constructeurs Europeens d’Automobiles).

Dipsticks

The style of dipsticks varies. However, they all operate on the same idea of an upper mark and a lower mark. These marks can be holes, lines, hatched areas, etc. When the oil level is between these two marks, it’s okay, but aim to have it at the upper mark. If your oil level is high and your engine is smoky, you need to check out “Leaking gas from air filter”.

Adding Oil

If you need to add oil, add in small amounts and allow it to settle before rechecking. If you’ve too much oil, drain some off and recheck. Too much oil will cause the mower to blow white smoke.

Removing Oil

Remember to disable your mower and turn the fuel off before turning your mower over to remove oil. A much better option to drain the oil is to use an oil/gas siphon. It’s a real time saver, it’s clean, and it’s easy. Just drain the oil out through the dipstick tube.

You’ll find a link to the oil siphon I use here on the “Small engine repair tools page”. It works best if the engine was running a while first, just long enough to warm the oil, helping it move more freely.

Checking Engine Oil Level Adding Oil

1 Level – The mower should be cold and on level ground. If your mower has already been running, just allow the oil to settle for five minutes before checking.

2 Locate – Locate the dipstick. Usually, they are positioned on the side of the engine. The dipstick itself will be marked with an oil symbol or can be brightly colored.

3 Dipstick – Dipsticks come in different styles, but all do the same job. A lower mark (L) and an upper mark (F). When the oil level is in the hatched area, it’s OK. But aim to have it at the F mark.

4 Low Oil – This oil level is way too low. It’s below the low oil level mark indicated here by the lower hole.

5 Add Oil – Add oil in small amounts, and this will prevent overfilling. Let the oil settle before checking.

6 Oil Ok – This is the correct level for oil. Check the oil with every refueling.

7 Too Full – Too much oil here; it’s way above the top hole (Full mark). This can damage the engine and cause oil leaks and white smoke. If the oil level is very full, it will stall the engine. We’ll need to remove some.

Why Check The Oil?

Because the correct quantity and quality of the oil are critically important to the life of the engine, some mowers are fitted with a safety switch that won’t allow the mower to start if the oil level is low. It’s a fantastic idea; lots of otherwise good engines are lost due to a lack of oil.

Unfortunately, not all mowers have this feature, so it’s important to check your oil regularly; an easy way to remember…. check the oil every time you fill the gas tank. An incorrect oil level can damage your engine beyond economic repair. An oil level that’s too low causes excessive heat, friction, and premature wear or complete seizure of the engine.

An oil level that’s too high can:

  • Cause engine to smoke
  • Cause no start
  • Aerate the oil – reducing its ability to cool and lubricate

Lawnmower engines that don’t have an oil filter generally don’t have an oil pump. This means they employ the splash method of lubrication. An overfull oil level can be especially harmful to these engines.

When to Change The Oil?

Change your oil once per season or every 50 hours of operation. Oil needs to be changed as it gets contaminated and diluted by fuel and other deposits associated with combustion and metal friction. If neglected, this oil turns into a diluted sludge which offers little protection to the engine.

Changing the oil is an easy job. Only basic tools are required. Some of the latest generation Briggs and Stratton engines won’t need an oil change ever; they’re designed to run clean. Mmmm…. I think I’d change the oil; old habits die hard. Check out “Lawn mower tune-up”.

Related Questions

Can you put too much oil in a lawnmower? Too much oil in a lawnmower engine can cause white smoke, and oil leaks, and in some cases, the engine won’t start. The fix is simple, drain out the excess oil.

Can you use car oil in a lawnmower? Car engine oil types such as 5w30 or 10w30 are OK to use in lawn mower engines.

Hey, I’m John, and I’m a Red Seal Qualified Service Technician with over twenty-five years experience.

I’ve worked on all types of mechanical equipment, from cars to grass machinery, and this site is where I share fluff-free hacks, tips, and insider know-how.

And the best part. it’s free!

How to Mix Lawn Mower Oil

It is rare that a private home owner can do without a lawn mower. You may not even have a lawn that needs regular maintenance, but use a lawn mower. This technique, like any other, needs periodic maintenance, for example, an oil change. Each owner of a lawn mower needs to know which liquid can be used for these purposes, how to choose it and pour it into the unit.

Oil function

Lawn mower lubricant must be carefully selected and high-quality oils preferred. If you save on this consumable liquid, then it will not perform its functions to the full extent, the lawn mower will fail in a short time and will require expensive repairs. The oil used in the lawn mower performs an important task. The following functions are assigned to it:

  • lubrication of parts that experience high friction in the process;
  • removal of thermal energy from heated parts;
  • reduced motor wear;
  • minimizing the development of such negative phenomena as deposits of various types, the formation of soot and varnish;
  • protection of parts against formation and corrosion;
  • reduction in toxicity of exhaust gaseous substances;
  • smoke minimization.

The engine of the lawn mower is significantly different from that which is installed in auto and motorcycle equipment. Therefore, lubricating fluids for these units must be used different. Do not replace one oil with another. The implications for technology can be the most unpredictable.

In the engine of a lawnmower, the crankshaft is responsible for the distribution of oil. Fluid is drawn from the crankcase with parts that resemble spoons in shape. The speed of their movement is enormous. Such design features of the motor require the use of oil, which contains high-quality additives. These components reduce the ability of the working fluid to foam and become more viscous from heat.

Varieties

To choose the right fluid for gardening equipment and always know what to buy, you need to study the existing varieties of oils. First of all, technical oil liquids are separated by chemical composition.

  • Mineral oils are created on the basis of oil products. Such liquids are viscous and must change frequently. They are designed for low power motors. Most recommended for summer use.
  • Synthetic fluids special synthetic substances containing esters are used as a basis. Viscosity is low, high life and year-round use. no other kind of lubricant can boast such high performance. Such fluids are ideal for complex equipment that is operated in harsh conditions.
  • Semi synthetic motor oil It is created from substances of the mineral and synthetic type. Such oils are the middle option between the two previous fluids. Semi-synthetic oils are ideal for gardening and park equipment, two- and four-stroke engines.

There are several more classifications based on different requirements. The most common API classification. It is supported by different countries and many manufacturers. According to this classification, all motor oils are divided into the following varieties:

  • TA is the best option for household appliances with engines up to 50 cc. cm;
  • TB is intended for equipment with greater power, equipped with a motor capacity of more than 50, but less than 200 cubic meters. cm;
  • TC is an oil that is intended for motors with high demands on the quality of the lubricating fluid, such oil can be safely poured into lawn mowers;
  • TD is designed for outboard motors that are equipped with liquid cooling.

Due to its 20% solvent composition, the double-contact type oil mixes well with automotive fuel. In addition, such liquids are able to completely burn. Lubricants can be painted in various colors. Staining does not mean oil quality. Its function is different. it is easier for the user to distinguish a lubricant from a fuel.

Manufacturers

When choosing oil, great attention should be paid to its manufacturer. It is better to choose the brand advised by the manufacturer of the lawn mower. In the instructions for the technique you can find information about the filled oil, the frequency of its replacement and recommendations regarding the choice of working fluid.

Also, many manufacturers of lawn mowers produce their own oils, which will have to be used to replace if you want to maintain a warranty on the equipment. In addition, the instructions give general characteristics to which the oil must comply. When choosing a fluid to replace, you need to FOCUS on this list. This will allow you to choose the oil that will most closely meet the requirements of the manufacturer.

  • Among all the companies that present their products on the Russian market, the best is Shell Helix Ultra. These oils are popular in all countries. Shell experts have been working for 40 years to create a unique technology for producing synthetic-type oils from natural gas. The resulting product is characterized by an improved composition, analogues to which at this moment does not exist. The manufacturer adds the necessary additives to the base composition, which allows to obtain products with different characteristics. Such oil needs to be bought only at specialized points of sale, since base fakes are often found.
  • The company also presents quality products. Liqui moly. The manufacturer produces several product lines that have different purposes. This assortment contains products for the maintenance of garden equipment. Such oils are designed for long-term operation of trimmers and lawn mowers, their technical characteristics are developed in accordance with the features of modern technology and manufacturers’ recommendations.

Video: How to Mix Lawn Mower Oil

Liqui Moly adds additive packages to lawnmower oils that are needed to reduce equipment wear and keep the engine clean. The main advantage of such fluids is environmental friendliness, because they are created on a plant basis. Liqui Moly Lawnmower Oils comply with all environmental standards.

Rasenmaher Company produces a good mineral type lubricant that has been specifically developed for garden machines. This tool can be used to service 4-stroke motors with different cooling systems. Rasenmaher can only be used at positive temperatures. The manufacturer carefully developed and selected additives for his product. The result of such actions was a wide list of functionality:

  • maintaining the pressure in the system at a stable level;
  • effective lubrication of all parts that need it;
  • preservation of the viscosity of the lubricant over the full service life, up to the next change;
  • providing excellent protection for the engine from natural wear;
  • minimum level of evaporation.

Which is better to choose?

Choosing the right mower oil is based on a large number of factors that must be followed. It doesn’t matter if a lubricant is selected for a gasoline or a self-propelled lawn mower, the first oil that comes in cannot be used. It is also forbidden to choose the most expensive oil or the most popular. The lubricant must be fully suited to the requirements of your mower.

  • By viscosity the oil is selected in accordance with the temperature conditions that are characteristic for the operation of garden equipment. For summer, when the ambient temperature reaches 30 degrees, it is advisable to use oil from the SAE-30 series. For off-season, it is recommended to use 10W-30 series oil. At low temperatures, Synthetic 5W-30 fluid works well.
  • For 2-stroke engines it is necessary to use a mixture of oil and high-octane gasoline in the ratio recommended by the manufacturer of the equipment. Usually the ratio is 1/25. According to these figures, 25 ml of gasoline is added for every milliliter of oil. There are exceptions, so you need to study the instructions for the lawn mower.
  • In the case of four-stroke motors mixing liquids is not required. Optimally suitable for such mechanisms is a simple automotive fluid. It can be SAE30, 10W40 or SF. The main thing is that the technical and operational properties are suitable for the list recommended by the manufacturer. For winter use, the fluid must be chosen with frost-resistant properties.

You can not experiment and use oil that is not suitable for an existing motor. There is a huge difference between the fluids that are used for different types of motors. For example, a four-stroke type engine fluid should retain its composition for a long time. Oil for two-stroke engines should have a minimum amount of mineral components, which will prevent the formation of soot.

Replacement Recommendations

It is important not only to choose high-quality oil, which in its characteristics will be suitable for your equipment. You also need to know how to properly fill it in a lawn mower. The rules are simple, but binding:

  • turn on the unit and warm the engine idle for a quarter of an hour;
  • remove the cork from the tank and substitute the capacity of the required volume to collect the spent liquid;
  • tilt the lawn mower and drain the waste material;
  • We twist the cork, put the unit on the most even surface. After that, you can open the hole on top;
  • we fill in a new working fluid, observing the recommendations of the manufacturer of the equipment regarding the volume, it is convenient to check the fluid level with a dipstick;
  • when the amount of fluid has reached the desired volume, you can twist the plug.

In most cases, about 500 ml of fresh oil should be used to replace waste fluid. This norm corresponds to most of the units that are common in Russia. Exceptions, of course, are encountered, so you need to study the instructions before performing a replacement of waste fluid.

If your lawnmower is equipped with a two-stroke engine, and this indicates the need to mix the lubricating fluid with gasoline, you must do this immediately before replacing. It is impossible to make such a composition with a margin, because due to a chemical reaction the mixture loses its properties. The approximate shelf life is not more than a month. Only components from such actions will be spoiled.

See the next video for how to change the oil in the mower.

The chainsaw engine is the “heart” of the tool, so it is very important to use a properly prepared fuel mixture.

Fuel mixture for a chainsaw It is prepared from two components. oil and gasoline. Chainsaws are equipped with two-stroke engines, so the oil is not added to the lubrication system (like a four-stroke engine), but directly to gasoline. At the same time, it is very important to observe the correct proportions of the ingredients, of course, in no case try to work on pure gasoline, because in this way you will very quickly “kill” the chainsaw.

If we talk about which gasoline to pour into a chainsaw, it will optimally use fuel with an octane rating A-95, in this case, fuel economy can turn out disastrously. Often, European manufacturers indicate that A-90 or A-92 gasoline can be used, but in post-Soviet countries the quality of gasoline is inferior to European, so in our realities it is better to use better gasoline.

As for the most proportions of a benzo-oiled mixture, then everything is simple: you must follow the instructions for the tool. All manufacturers of chainsaws indicate the necessary ratio in the instruction manual or in the instrument passport, in addition, the proportions for refueling the chainsaw may differ depending on the model of the chainsaw. As a rule, the proportion of oil and gasoline to a chainsaw of famous manufacturers is a ratio of 1:40 or 1:50, which means 1 part of oil for, for example, 40 parts of gasoline. Now arithmetic 1 liter of gasoline = 1000 ml of gasoline, divide by 40 and get 25 ml of oil. If you perform the same steps to the ratio 1:50, then we get 20 ml of oil per 1 liter of gasoline. As for budget-made Chinese chainsaws, the situation is slightly different. The ratio of gasoline and oil for chainsaw made in China 1:25, that is, 1000 ml of gasoline is divided by 25, we get 40 ml of oil. The thing is that in branded chainsaws a good assembly and the distance between the pistons and cylinders in the engine is much smaller than that of Chinese chainsaws, therefore the required amount of oil differs almost twice.

In order to measure the correct portion of oil, use a regular medical syringe of sufficient volume.

Another subtlety. In a dry canister for gasoline, first fill in gasoline, and then oil. On the contrary, the procedure is fraught with a poor quality fuel mixture, because the oil is more dense, sticks to the bottom of the canister. what a good mix.

Be sure to prepare the fuel mixture in a can and pour ready-made special fuel into the gas tank! Never cook or mix directly in the fuel tank of a chainsaw!

If the question of how to breed gasoline for a chainsaw figured out, then on storage conditions and shelf life of the fuel mixture It is worth saying a few words. It’s best and easier to prepare a 1-liter gasoline-oil mixture, it is recommended to do this immediately before working with the tool. The fuel tanks of chainsaws have a volume of 0.3 to 1 liter. In domestic use, in one session, the entire volume of the prepared combustible mixture is rarely used, so the remainder can be saved until the next session. It is necessary to store the fuel mixture in a special canister for gasoline, in a dry, dark place. It is optimal to calculate that shelf life of the finished mixture will be 7-10 days. The fact is that the oil currently on the market is not synthetic, but organic, that is, natural. After 10 days, all lubricating properties are lost, gasoline simply “eats” the oil. Naturally, it is no longer possible to use such fuel, this can cause breakdown and failure of the chainsaw.

At the end of the work, it is necessary to drain the fuel mixture, start the chainsaw, the tool stalls (so that the saw has a dry carburetor) and now you can leave it until the next operation session.

Unsuitable fuel mixture must be disposed of.

Lawn Mower Oil Type

Source: Pixabay.com

The Down ‘n Dirty on Oil For Your Push Lawn Mower

Your mower puts in long hours in one of the dirtiest, dustiest environments imaginable. And like any other internal combustion engine, it relies on engine oil in the crankcase to keep everything lubricated.

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While it’s easy to forget about the oil that’s in your mower, it’s not a good idea. All of its dirt and contaminants can cause a buildup of sludge and carbon on bearings and other parts and will wear down your engine. You don’t neglect oil changes in your car for that very reason; why do so in your mower?

What’s the Best Motor Oil For Your Mower?

The good news is, you don’t need a special oil for your lawn mover—ordinary automotive engine oil will do. (NOTE: This does not apply to weed-whackers or other lawn care equipment that use a two-cycle engine and needs an oil/gas mixture. They should only be used with a specially-formulated two-cycle oil.)

For most applications, straight 30W or a multi-grade engine oil such as 10W-30 will work just fine. If you are in an extremely cold area, you might consider a thinner viscosity multi-grade motor oil such as 5W-30. A thinner oil can circulate through the engine more quickly in cold weather, whereas thicker oil might become more viscous in extreme cold.

Just make sure the oil you choose is of good quality with an SF, SG, SH, or SJ rating and that it’s a detergent engine oil. There’s no need to use any kind of additives—straight oil will be fine.

Can I Use Synthetic Oil In a Mower Engine?

The answer to that one is an unequivocal yes. A small engine can get all the same benefits from synthetic oil as an automotive engine.

Synthetic oil is more stable across a wide range of temperatures and won’t thin out in extreme heat or thicken in cold weather like conventional oil. It also offers better engine protection all the way around and can go for longer intervals between oil changes.

Still, considering how dirty a mower’s working environment is, it’s a good idea to change the oil at the beginning of the season even if it’s a synthetic.

Changing the Oil in Your Lawn Mower

This is going to be a pretty simple task, since lawn mowers generally don’t have oil filters nor a drain plug. Start the mower and let the engine run for about 60 seconds to circulate any sludge and dirt that might be in the oil (rather than leaving it in the bottom of the crankcase). Tip the mower over on its side and remove the filler plug and dipstick.

Let the oil run out until the crankcase is empty, then refill. Be sure to drain it into an oil-safe drain pan, and don’t let any used oil drain onto the ground. Dispose of the old oil properly.

Most one-cylinder mower engines will require about a quart of oil. Check the oil level with the dipstick, and you’re ready to go with a crankcase full of the correct oil for your mower.

This is the Gas to Use in a Push Mower (Don’t Get It Wrong)

While most push mowers manufactured today use 4-cycle (4-stage) engines, there are still many 2-cycle (2-stage) engines being used.

These engines do not work the same way and require different types of fuel. Using the wrong fuel in your push mower can cause fuel system issues and engine damage.

A push mower requires unleaded gasoline with a minimum octane rating of 87 and a maximum ethanol content of 10%. A 4-cycle push mower requires gasoline. A 2-cycle push mower requires a gasoline and oil mix. Using straight gasoline in a 2-cycle push mower will damage the engine.

Follow all safety precautions listed in your owner’s manual before working on your push mower. Make sure you are in a well-ventilated area when handling fuel. Keep fuel away from combustible products and extreme heat.

Choose the Right Gasoline for a Push Mower

It is best for your push mower to use fresh gasoline with low ethanol content. A fuel stabilizer should be added to fuels that are not consumed quickly.

Low Ethanol Content

Ethanol, an alternative fuel used in gasoline today, can cause problems in the small engines used on push mowers. Ethanol attracts moisture from the air which is corrosive to the fuel system.

In addition, fuel and water will separate from gasoline over time. This mixture will leave behind gummy deposits that can create fuel restrictions. It is very harmful to the engine when this mixture separates from the gas and runs through the engine.

Always choose low-ethanol gasoline that contains no more than 10% ethanol. The lower the ethanol level, the better. and more fuels with ethanol are being sold at the local fuel stations.

Never use fuels sold as E15, E30, or E85. These fuels contain up to 15%, 30%, and 85% ethanol.

Use Fresh Gasoline

Gasoline can begin breaking down as soon as 30 days after purchase. It’s best to purchase the amount of fuel that can be used within 30 days to reduce damage to the push mower from fuel.

If you are unable to use the gasoline you purchased within this time, add a fuel additive to stabilize it so it lasts a little longer without breaking down.

Add a Fuel Stabilizer

I like to add Sea Foam Motor Treatment, a fuel additive to stabilize fuel, to every tank of gas. Sea Foam not only stabilizes gas, but it also cleans the fuel system and reduces moisture. It helps minimize problems that can develop from running old fuel.

Ethanol-Free Fuel

Ethanol-free fuels are always best to run in your lawn mower, but it is a more expensive fuel choice. Ethanol-free fuel can be bought at some fuel stations often sold as recreation fuel or REC-90.

It can also be bought in canisters as a convenient option to store on the shelf in your storage shed or garage.

Identify the Type of Engine on Your Mower: 2-Cycle or 4-Cycle Engine

How to identify a 2-cycle or 4-cycle engine:

  • Fuel Cap: An original 2-cycle fuel cap will have the gas-to-oil mix ratio listed on the cap (32:1, 40:1, or 50:1) or it will show fuel and oil can on the cap.
  • Number of Fill Ports: A 2-cycle engine will have one fill port for a gas-to-oil mix. A 4-cycle engine will have 2 fill ports. There will be one for engine oil and one for gas.
  • Operator’s Manual: The manual that came with your push mower will list whether you need to use a mixed gas and oil mixture or straight gas.

Gas to Use for a 4-Cycle Push Mower or Self-Propelled Mower

Push mowers with 4-cycle engines require unleaded gasoline with a minimum octane rating of 87 and a maximum ethanol content of 10%.

Stay away from all gasoline with more than 10% ethanol like those sold at the fuel stations as E15, E35, and E85 fuels. These fuels contain up to 15%, 35%, and 85% ethanol respectively.

Gas and Oil Mix for a 2-Cycle Push Mower or Self-Propelled Mower

2-Cycle Gas and Oil Mix in a Push Mower or Self-Propelled Mower

Don’t mistakenly add straight gas to a 2-cycle push mower. If you do this and start your mower, it will most likely shut off and seize up. This is because a 2-cycle engine burns an oil and fuel mix.

Without the oil mixed with gas, the engine doesn’t get the lubrication it requires to run. Running straight gas will ruin the engine.

Push mowers with 2-cycle engines require gas and oil mixed at a ratio of 32:1, 40:1, or 50:1. For example, 50:1 mix equals 50 parts gasoline to 1 part oil.

The mix your mower requires varies by manufacturer. You can find the correct ratio in your operator’s manual. You may also find it located on the fuel cap.

When creating this mix for a 2-cycle engine, use unleaded gasoline with a minimum octane rating of 87 and maximum ethanol content of 10%. Add a 2-cycle premium oil that is ISO-L-EGD and JASO M345 FD certified.

How to Mix Gas and Oil for a 2-Cycle Push Mower:

  • Use the chart below to determine how much fuel mix to prepare.
  • Remove the cap from an approved gas can. Add unleaded fuel (minimum 89 octane rating maximum 10% ethanol content) to a gas can.
  • Using the chart for ounces of oil required, add the 2-cycle oil to the gas can.
  • Replace the cap.
  • Gently shake the fuel and oil until they are mixed.
  • Add to the push mower’s fuel tank.

You can use the manufacturer’s 2-cycle oil. Another alternative is this 2-cycle mix by Kawasaki. It comes in 5.2 oz. and 6.4 oz. bottles that can be mixed with 2 gal. or 2.5 gal. of gas respectively for a 50:1 mix. Use 2 gal. of gas and a 6.4 oz bottle of oil to achieve a 40:1 mix.

Will a 4-cycle lawnmower run on 2-cycle gas/oil mix?

2-Cycle Gas to Oil Mix Chart

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