Two-stroke grass trimmer oil which is better

What parts of a chainsaw need oil

If you look closely at a working chainsaw, you will immediately notice its main moving part. the saw chain, which slides along the tire during sawing. Since the law of friction still exists, both parts gradually wear out. To slow down this process, it is customary to use chain oil specially formulated to lubricate saw chains.

Chainsaws can be equipped with both four-stroke and two-stroke engines. In 4-stroke units, the crankset is lubricated with oil in the engine crankcase. Two-stroke engines differ slightly in their design and operating principle. Gasoline for this type of drive enters directly into the space under the piston, where the crank mechanism is located, which has several bearings and bushings that need lubrication. Therefore, oil for two-stroke engines of chainsaws is added to gasoline so that it, getting on the rubbing parts of this block, lubricates them.

Husqvarna HP

It is a Swedish manufacturer that includes several well-known brands, including Partner (Partner), known for its semi-professional and professional gardening equipment. Husqvarna produces not only machinery, but also high-quality lubricants used in almost all brands of gasoline-powered tools.

The photo below shows a 2-stroke Husqvarna HP oil, which contains special additives that can compensate for the poor quality of fuel, which is not uncommon in our country. After all, the octane number of gasoline purchased at a gas station does not always correspond to the declared one.

This grease is green and contains a semi-synthetic base. It can be packed both in 10-liter containers and in 1-liter containers. The mixture is diluted in a standard ratio of 1:50 (20 g per 1 liter of gasoline). But when the engine has not yet been run in, or work is coming in the cold, the proportion can be increased to 1:40.


The oil belongs to the highest category. It is created on a completely synthetic basis, has a green color and has high lubricating properties, and thanks to salt-free additives it does not create carbon deposits.

The oil was specially developed for the lubrication of engines operating for a long time at high loads and low ambient temperatures, up to 25 ° C. In addition, this lubricant is environmentally friendly. If spilled on the ground, it will decompose by 80% in 21 days. The grease is packaged in bottles of 100 ml and 1 l.

Overview of manufacturers of oils for internal combustion engines

Among the manufacturers that produce the best two-stroke oils, we can confidently name 2 leaders. these are Husqvarna (Husvarna) and STIHL (STIHL). The companies produce not only conventional mineral oils, but also synthetic lubricants designed for 2-stroke engines operating in severe conditions.

Fuel mixture preparation rules

It is necessary to dilute gasoline with oil in containers that are resistant to oil products (plastic or metal canisters). It is not recommended to use plastic bottles from under water, juice or milk for these purposes, since food grade plastic decomposes under the influence of gasoline. As a result of this process, the fuel mixture will change its properties, and it is difficult to predict what effect it will have on the engine.

The combustible mixture for the chainsaw is easy to prepare.

  • Take the required amount of lubricant and pour it into the prepared container. Do not pour all the prepared gasoline into a container with oil, half of the required amount will be enough.
  • Slightly shaking the container, wait until the lubricant is completely dissolved in gasoline.
  • Now you can fill in the remaining gasoline, mixing it well with the mixture in the container. This completes the preparation of the fuel mixture for the chainsaw.

Before each refueling of the chainsaw, the combustible mixture must be shaken. Also, do not forget to tighten the fuel tank cap well, otherwise this will lead to a lean mixture and engine failure.

It is better to use the ready-made fuel mixture immediately. Therefore, it must be prepared in such an amount that it is enough for the expected volume of work. If, nevertheless, the mixture remains, then it is impossible to store it for more than 1-1.5 months. During this time, it will lose a significant part of its lubricating properties.


The grease has been specially developed for the engines of STIHL equipment. It has a mineral base, has high lubricating and cleaning properties and can be used at an ambient temperature of at least 10 ° C.

The bottle has a special dispenser that allows mixing the fuel mixture without using additional measuring containers.

The grease has a red color and can be stored for no more than 4 years in a closed container. The latter can have different capacities, both large and small (for one-time refueling). For example, there is a 20-gram container on sale, the contents of which are added to 1 liter of gasoline. This is a very convenient option for owners of chainsaws who use them occasionally. Important: a mixture of gasoline with this oil cannot be stored for more than 1 month, since during this time it will already lose its lubricating properties.

Choice of oil for chain lubrication

Remember to check the amount of oil in the oil tank after each refueling of the chainsaw with the fuel mixture. In a chainsaw, an oil pump is responsible for delivering lubricant to the tire on which the saw chain slides. Normally, filling both tanks. fuel and oil. should be done at the same time. Chain oil must be poured into a suitable tank up to the neck. Otherwise, it may run out before fuel, which will lead to overheating of the chain and bus.

Chainsaw chain oil must be designed specifically for this purpose. The use of other lubricants is ineffective and reduces the life of not only the saw, but also the tires of the machine. This is due to the fact that the chain oil contains adhesive additives, due to which the lubricant literally “sticks” to the chain. This property of the oil reduces its consumption, as a result of which the lubrication of the chainsaw bar and the saw chain is improved, and their service life increases.

Also an important parameter of chain lubrication is its density. If you are going to use a lubricant that is not intended for chainsaws, you may notice that oil leaks during operation or after stopping the unit. This fact suggests that the grease is too liquid. In addition, the liquid lubricant will quickly scatter in all directions and, accordingly, quickly run out.

When using a chainsaw in winter, you must use oil designed for low temperatures to lubricate the chain, otherwise the oil pump will fail. Therefore, the grease remaining in the tank must be replaced with a low-temperature one.

Leading manufacturers of gas powered tools such as STIHL, Husqvarna, Makita, Bosch and Oregon chainsaw accessories manufacturer recommend special highly adhesive oils, including biodegradable ones. But oils of well-known brands have only one drawback. for 1 liter and above. In addition, the grease in the reservoir can thicken over time and clog the channels. For this reason, it has to be drained, and this already increases the consumption. But despite this, we have to admit the fact that only the use of special lubricants can extend the service life of the chainsaw.

Choosing the oil and preparing the fuel for the grass trimmer

A huge role in the performance and durability of the gasoline grass trimmer is played by oil, which protects the parts of the cylinder-piston group from rapid wear.

In order for a lawn mower to please its owner with trouble-free operation, a competent approach to maintenance is required. Currently, it is customary to distinguish between two main types of engine by the number of working strokes:

The principle of operation of two- and four-stroke engines

  • two-stroke engines, where oil is added directly to the fuel tank;
  • four-stroke engines with separate oil reservoir. The exception in this category is the STIHL 4-MIX engine, which runs on an oil-gasoline mixture, but at the same time has 4 strokes.
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However, most trimmers on our market are equipped with powertrains that run on a mixture that has been previously prepared and poured into the fuel tank.

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work in different conditions, requiring different lubrication methods.

Two-stroke and four-stroke engines operate in different conditions requiring different lubrication methods.

Internal combustion engines, two-stroke or four-stroke, convert the chemical energy contained in the fuel into mechanical energy used to power a vehicle or other equipment.

They do this through a combustion event that includes four different cycles: intake. compression. power and output.

two-stroke, grass, trimmer, which, better

The engine draws air / fuel into the cylinder, compresses it to prepare for combustion, ignites it to produce an explosion that lowers the piston, and finally displaces the exhaust gases before starting the cycle again.

Differences Between 2-Stroke and 4-Stroke Engines Each upward or downward movement of the piston is called a stroke. The terms “2-stroke” and “2-stroke” and “4-stroke” and “4-stroke” are often interchanged. The fundamental difference between 2-stroke and 4-stroke engines is how they remove exhaust gases after combustion and inject fresh mixture for the next cycle.

Four-stroke engine chamber design To achieve this, the four-stroke engine uses intake and exhaust ports located at the top of the combustion chamber. The intake and exhaust valves control the opening and closing of ports to control intake and exhaust gases. The intake port controls the intake air that reacts with the fuel when ignited. The exhaust port removes burnt gases from the combustion chamber.

Combustion Cycle of a Four-Stroke Engine A four-stroke cycle requires two full revolutions of the crankshaft to complete the intake, compression, power increase and exhaust strokes. During the first revolution, the air / fuel mixture is drawn into the combustion chamber through the intake port and compressed. During the second revolution, the fuel-air mixture is ignited and burnt gases are released.

As the piston moves down the cylinder, it creates a vacuum in the space above it and draws air into the cylinder through the open intake valve.

The intake and exhaust valves close when the piston moves up and compresses the air / fuel mixture in preparation for combustion.

During a power stroke, the intake and exhaust valves close as the spark plug ignites the air / fuel mixture, and the explosion pushes the piston downward, rotating the crankshaft.

As the piston moves up, it pushes the burnt gases out through the open exhaust valve, preparing the cylinder for a fresh charge of air and fuel.

Two-Stroke Chamber Design The operation of a two-stroke engine is much easier because two-stroke engines use holes on either side of the piston to control gases that enter and exit the cylinder. A moving piston closes and opens the ports, just as valves open and close in a 4-stroke engine.

Combustion cycle of a two-stroke engine A two-stroke engine requires only one crankshaft revolution from to com

What to look for when choosing an oil?

Modern two-stroke brushcutter engines are fueled with a mixture of AI-92 gasoline and oil marked “2T”. Using fuels with a higher octane rating will increase the flash point and therefore burn out the lubricant.

Undoubtedly, the best oil for the grass trimmer is the one recommended by the manufacturer, but the owner does not always have the opportunity to purchase exactly the “branded” lubricant. Experts recommend Shell Helix Ultra, based on Pureplus technology, which improves the basic properties of the lubricant.

For gasoline trimmers of the German manufacturer STIHL, it is necessary to use oils STIHL HP Ultra, STIHL HP, STIHL HP S. A budget substitute can be Vityaz products, which in their properties are most similar to the recommended material.

2-Stroke Engine Oil Reviews

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Choosing a lawn mower oil

For trimmer engines, it is necessary to choose oils marked “2T”, which are used for internal combustion engines with a volume of 50 to 200 cm 3 and are air-cooled. First of all, when buying oil, you should pay attention not to the price, but to the protective properties of the material, since small savings can subsequently become a real headache for the owner and, as a rule, high costs.

The main factor in determining the quality of your grass trimmer oil is the base number. It is this component that excludes oxidation of rubbing parts and slows down their destruction. During operation, the oil gradually loses its alkalinity and becomes oxidized. The optimal acidity level (Ph) should not be less than 8-9 units.

The viscosity of the brush cutter oil also has a great influence on how a gasoline tool works. This indicator determines the ability of the grass trimmer to operate at different temperatures. For example, summer brands of lubricants thicken even with a slight decrease in temperature. Due to the use of the lawn mower exclusively in the spring and autumn period, oil with summer marking would be an excellent option.

The flash point for grass trimmer oil must be more than 225C, otherwise the oil will burn out quickly and the piston group will be subject to intense wear.

Types of engine oils and their purpose

Gasoline Grass Trimmer Engine Oil is a lubricant used to reduce wear between engine friction components.

The composition of the oil includes residual hydrocarbons and various additives that improve the properties of the final product. To ensure durable and trouble-free operation of the lawn mower, experts recommend using oils that correspond to this type of motor in terms of their physicochemical properties.

Today, it is customary to distinguish between three main types of oils according to the way they are obtained:

  • Mineral, created in the process of distillation of hydrocarbons;
  • Synthetic oils obtained by natural gas processing or synthesis;
  • Semi-synthetic, containing improved mineral oil with the addition of some synthetic components.

In order to prevent mixing of different types, the manufacturer adds a dye to the oils, which shows the difference in the compositions of the lubricant.

How to use?

For the proportions of oil used, see above. We must say right away that you should not deviate from the indicated values ​​and dilute gasoline by eye. At best, you just need to change the oil, and at worst, engine damage cannot be avoided.

It is also important to be able to prepare the mixture correctly. It cannot be poured into the gas tank. It is better to pour the oil into a special container that already contains gasoline. A plastic bottle of mineral water is perfect for this. It is very important that it is clean, which is why beer or milk bottles will not work. And it is better that it be a liter or two-liter, since it will be difficult for many to calculate how much oil to fill in a 1.5-liter or 1.25-liter bottle. You will also need to have a syringe on hand that will function as a dosimeter. It is best to take a regular medical one for 10 or more cubes.

Now we will explain step by step how to make a good gasoline grass trimmer oil.

  • First, you need to know exactly what type of oil is required for a particular model of grass scythe, as well as find out the exact ratio of gasoline to oil to create a mixture.
  • Then you need to fill the container. The container should not be filled with gasoline to the end, because the oil must still fit there;
  • Now we draw the required amount of 2-stroke oil into the syringe and pour it into a bottle of gasoline. You cannot do the opposite, otherwise all the ingredients will need to be replaced, and the mixture will need to be done again.
  • Close the bottle with a lid and stir. It is important not to forget that you need to stir the mixture if there are the words Premix on the bottle of oil. If it says Selfmix, then after mixing the substances, everything is poured into the tank.

Now all that remains is to refuel the petrol grass trimmer, and you can carry out the necessary work.

For information on how to choose oil for gasoline trimmers, see the next video.

two-stroke, grass, trimmer, which, better

A huge role in the performance and durability of the gasoline grass trimmer is played by oil, which protects the parts of the cylinder-piston group from rapid wear.

In order for a lawn mower to please its owner with trouble-free operation, a competent approach to maintenance is required. Currently, it is customary to distinguish between two main types of engine by the number of working strokes:

The principle of operation of two- and four-stroke engines

  • two-stroke engines, where oil is added directly to the fuel tank;
  • four-stroke engines with separate oil reservoir. The exception in this category is the STIHL 4-MIX engine, which runs on an oil-gasoline mixture, but at the same time has 4 strokes.
See also  What lubricant to use to lubricate the grass trimmer

However, most trimmers on our market are equipped with powertrains that run on a mixture that has been previously prepared and poured into the fuel tank.

How to Choose Grass Trimmer Oil or Lubricants

grass trimmers and lawn mowers are powered by two-stroke engines, which are simplified in design. Rarely, there are trimmer models with 4-stroke engines that run on pure gasoline. Two-stroke power units do not have a compartment for filling engine oil (oil sump), thereby reducing the weight of the tool and reducing their cost. If the rotating parts of the motor are not lubricated, they will eventually fail quickly. To prevent this, the grass trimmer is not filled with pure gasoline, but with a mixture of oil. What oil to dilute with gasoline for a grass trimmer?

To begin with, let’s remember or find out what types of oils are produced in terms of chemical composition:

  • Mineral liquids. designed for low power equipment with air cooling. It is the cheapest type of engine lubricant.
  • Semi-synthetic substances. they are used for equipment that has air and water cooling
  • Synthetic. suitable for all types of motors with different types of cooling. They do not require frequent replacement, and this type of lubricant is several times more expensive than mineral and semi-synthetic

From the above, it follows that oil with any composition is suitable for a grass trimmer. mineral water, synthetics and semi-synthetics. Oils with different chemical composition differ in price, therefore, when buying, it is necessary to rely on the recommendations of the tool manufacturer. The instructions indicate advisory information on which types of oils are best to use. If this is the TC-W3 standard, then it is not so important what composition the substance should have. In this case, mineral water, semi-synthetics and synthetics can be diluted with gasoline.

Storage Tips for Grass Trimmer Ready Fuel Mix

After refilling the grass trimmer, many will save the remaining mixture in the bottle until next time. Sometimes this next time does not come soon, and stretches out until the next year. It is impossible to store the finished mixture for so long, as the oil decomposes. After preparing the mixture, it must be consumed within 1-2 weeks. In addition, it is also impossible to store the tool for a long time with the fuel mixture poured into the tank, since the effect will be the same. To prevent unforeseen circumstances, it is recommended to take into account the following recommendations for storing a ready-made gasoline-oil mixture:

  • Prepare the fuel mixture in the amount that will be used. If you do not know how much fuel you use, then it is better to cook less.
  • If there is fuel mixture in the grass trimmer tank (when the tool is hidden until the next season), then it must be completely used up or drained
  • Before adding the prepared mixture to the tank, stir it thoroughly
  • Store the prepared mixture in a tightly curled container, as well as in a place limited to exposure to sunlight

Subject to all recommendations, the service life of the grass trimmer will be no less than indicated in the instructions. The use of high-quality consumables in pairs, observing the recommendations for preparing the mixture in the grass trimmer, will entail a long and effective service of the gasoline tool.

Gasoline grass trimmers are some of the more popular lawn mowing attachments. They are easy to use, mobile, allow a person not to depend on an outlet and show excellent results in the places where they are used. But for the stable operation of the gasoline grass trimmer, quality consumables are needed. In particular, we are talking about gasoline and oil. It is about the last component that we will talk about in this article.

How to properly fill the finished fuel into a two-stroke engine

Many people do not follow some important guidelines for filling the gas tank of a grass trimmer or lawn mower, which ultimately leads to unpleasant consequences. Consider important recommendations on how to properly fill the brushcutter’s gas tank with diluted fuel from gasoline and oil:

  • Prepare a funnel or watering can. Despite the large diameter of the hole in the gas tank, very often when trying to get into it, some part of the fuel is spilled, which gets on the body of the tool. Fuel trapped on the tool can cause a fire when heated, so it is very important to use a funnel or watering can.
  • Before unscrewing the plug, thoroughly clean the surface of the tank, as dirt can get inside, which will cause a quick clogging of the gas filter
  • Fuel filling operations must be carried out in calm weather or in a secluded place to exclude the possibility of dust and small grains of sand getting inside the tank.
  • Do not leave the tank hatch open for a long time, as not only small grains of sand and dust, but also insects can get into it
  • Do not inhale gasoline vapors while filling, as they are dangerous to humans. When working with a trimmer, the master must use protective glasses, earmuffs and a respirator
  • It is necessary to pour fuel into the tank up to the mark. If you fill the tank full, then when screwing the plug, some of it will pour out. wasteful use of fuel. In this case, it is better to underfill than overfill.

Given these recommendations, you can significantly extend the life of the gasoline tool in question.


The oil that is poured into the motor may differ in the production method. According to this criterion, it happens:

  • mineral. this type is obtained during the processing of petroleum products;
  • synthetic. it is obtained by processing or synthesizing gas;
  • semi-synthetic. this type has better characteristics due to the introduction of synthetic-based components into it.

Too Much Oil In A 2-Stroke

Lawn mower oil refers to formulations intended for use in air-cooled engines that have a combustion chamber volume of 50-200 cubic centimeters. In addition, any two-stroke oil can differ from analogs in additives that give it certain additional characteristics. They are of the following types.

  • Antiwear. The main task of the oil will be to reduce wear of parts during the operation of the device.
  • Antioxidant. They do not allow oxidation to occur and make it possible to maintain the performance of the oil for a long time.
  • Anti-corrosion. Their task is to prevent corrosion from forming on the engine parts.
  • Friction modifiers. These additives can significantly reduce the coefficient of friction.

Two-stroke oil from different manufacturers may differ in the combination of additives used, which means that their properties will differ.

Recently, when purchasing oil for dilution with gasoline, users very often come across the fact that special letter abbreviations are applied to the cans. These designations are made within the framework of the API classification. Consider what types of oils exist in accordance with it.

  • TA is used for air-cooled brushcutters with an engine displacement of no more than 50 cubic centimeters. It can be used not only for mowers, but also for mopeds, lawn mowers and other types of machinery. For the petrol grass trimmer, this is the optimal solution.
  • TB is used to refuel a chainsaw, scooter, moped or motorcycle with an engine capacity of less than 200 cubic centimeters. Can also be used for refueling petrol trimmers.
  • TC is suitable for thinning with gasoline and pouring into a snowmobile, motorcycle and other types of equipment.
  • TD is intended for refueling boats, yachts and hoverboards.

But in addition to this classification, other letter designations of the FA-FD type are often found. It should be said that the API is an American standard that is used in Europe. But there is a discrepancy between European and American smoke emission regulations. For this reason, additional letter designations should also be taken into account.

  • FA can be used in countries where minimum exhaust gas emissions are required by law. Barely noticeable smoke may be emitted when using oils with such markings.
  • FB. can be used in countries where the restrictions on the emission of smoke and gases are much stricter. In this case, the smoke will practically not be emitted.
  • FC. a transparent smoke appears here, which the human eye cannot notice.
  • FD is a special category of oils for 2-stroke engines, they do not create smoke at all. They have increased chemical properties. Usually this oil is used for mixing with gasoline and subsequent refueling of boats and yachts.

In addition, oils come in two more categories:

In the first case, this will mean that it is necessary to carry out self-mixing, which does not require shaking, and in the second case, you will need to do it too.

Choosing a lawn mower oil useful tips from professionals

If the instructions for the tool have been lost, and there are difficulties with choosing the right oil, then it is recommended to stop your choice on the following two options:

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Cheap 2-Stroke Oil Better? Let’s find out! Amsoil vs SuperTech 2-Cycle Oil.

  • Semi-synthetic. they are cheaper than synthetics, but more expensive than mineral water. Suitable for equipment, both Russian and foreign. They have low smoke parameters, and adequately “take care” of the structural elements of the motor. Manufactured by ferrying petroleum products and hydrocarbons
  • Synthetic. expensive types of lubricants that are suitable for all types of equipment. If you use synthetics for your grass trimmer, the engine of the tool will run like a clock.

When choosing and buying oils for dilution with gasoline, you may come across the fact that some letter designations are indicated on the cans. These designations are an API classification, which will be useful to find out who wants to fill the tool with a lubricant that is suitable for the parameters. Let’s consider all types of oils according to API classification for two-stroke engines:

  • TA. intended for air-cooled units with a volume of up to 50 cm3. These include mopeds, lawn mowers, grass trimmers and brushcutters. Optimal solution for lawn mowers and grass trimmers
  • TB. used for refueling engines of units such as mopeds, chainsaws, scooters and motorcycles. The engine displacement of such equipment ranges from 50 to 200 cm3. This type of oil is also suitable for trimmers
  • TC. intended for dilution with gasoline and filling in motorcycles, snowmobiles and other types of land equipment
  • TD. serves for refueling outboard motors, hydro scooters and boats

API classification is an American standard that is used in Europe. However, when choosing, there are additional designations on oil cans for two-stroke engines, for example, FA, FB, FC, FD and others. This is the smoke emission classification of oils developed by the Japanese JASO standard. If such designations are found on the selected oils for trimmers and chainsaws, then their decoding must be taken into account:

  • FA. used in countries where the legislation provides for the minimum emission of smoke into the atmosphere. Emits an imperceptible fog of smoke during operation
  • FB. Designed for use in countries where there are strict restrictions on the emission of smoke into the atmosphere. Virtually no white smoke
  • FC. smoke emitted into the atmosphere is transparent and invisible to humans
  • FD. smokeless types of oils for 2-stroke internal combustion engines, which do not emit smoke, but still have improved chemical properties. They are usually used for mixing with gasoline and refueling boats, boats and yachts.

If the designation “self mix” and “pre mix” is present on the container with the lubricant, then they mean self-mixing with gasoline (the first option, which does not require shaking), and the need for forced dissolution (the second option).

Knowing the classification of oils by their types, it will not be difficult to choose the best option for your brand of lawn mower. On the market you can find a variety of brands of oils for two-stroke engines, but it is better to pay special attention to such companies:

Correct Way To Mix Gas and Oil For a ChainSaw, WeedEater String trimmer. Easy 2 Cycle Oil Gas Mix!

  • STIHL. they produce mineral and synthetic, and semi-synthetic of this brand are rare
  • Shell Helix Ultra. Recommended by Specialists
  • Motul
  • Oleo-Mac
  • Echo
  • Hammerflex
  • Lukoil is a Russian oil that costs 3 times cheaper than foreign analogues, but at the same time has excellent quality indicators

Product are not indicated as vary. There are many other brands, and if you still want to find the perfect grass trimmer lubricant for yourself, then watch the test in the video below.

From the video, we can conclude that it is not always useful to buy expensive oils, since they may turn out to be of unsatisfactory quality, which can be seen in a real example.

Learn to dilute gasoline with grass trimmer oil if you overfill or overfill

If you bought a grass trimmer, lawn mower, brushcutter, chainsaw and other types of equipment, then you probably know that they use two-stroke motors as power units. These engines do not run on pure gasoline, like four-stroke engines, but on a mixture of gasoline and oil. In what proportion should gasoline be diluted with grass trimmer oil. every summer resident asks himself this question before preparing the tool for work. We will understand this issue in detail, since diluting gasoline with grass trimmer oil affects the life of the tool, and improper preparation of the mixture will lead to rapid engine wear. What is the danger of excess or insufficient amount of oil in gasoline for a grass trimmer:

  • If gasoline is diluted with a large amount of oil (above the norm), then this will lead not only to the appearance of a large amount of smoke, but also to the formation of carbon deposits on the cylinder walls and a drop in power. This carbon deposit will cause piston wear, which will be diagnosed by a decrease in its performance.
  • If the gasoline does not contain enough oil in the grass trimmer, this is even more dangerous. After all, the working mechanisms of the engine will not be lubricated in sufficient quantities, which will eventually lead to their rapid wear (there is a rapid destruction of the piston rings and the engine jamming). With an insufficient amount of oil in the gasoline, poured into the grass trimmer, engine wear will occur ten times faster.

In order not to have to pay for mistakes with the cost of overhauling the engine or buying a new tool, it is necessary to fill the fuel of the correct consistency into the tank from the first day. You can find out the ratio in the instructions for the tool, since models from different manufacturers may give different recommendations. Usually this ratio is the following norms:

  • 1 in 25 or for 1 liter of gasoline 40 grams of two-stroke oil
  • 1 to 40 or 1 liter of gasoline 25-30 grams of lubricant
  • 1 in 50. this is 20 grams of oil per liter of gasoline

The standard value is considered to be 1 to 50 (indicated on cans of oil for two-stroke engines), but it is necessary to rely on it in the most extreme case, since the manufacturers indicate the recommended proportion value, and if it is not observed, then the service life of the two-stroke motor is reduced.

In addition to keeping the proportion, you also need to learn how to prepare the mixture. After all, the option of adding oil to the gas tank is categorically contraindicated, although some do so. If you bought a grass trimmer or lawn mower, you will need consumables that you will use to prepare the mixture. The instructions for preparing the fuel mixture in the grass trimmer are as follows:

  • Prepare gasoline and two-stroke oil based on the above recommendations for the selection of lubricant and fuel
  • Additionally, to prepare the mixture, you need to take a container or container. Usually, a plastic bottle is used for this, to the selection of which an appropriate approach is needed. It must be clean inside. It is not recommended to use a container for milk, beer and other drinks. The best option is a container for mineral water.
  • It is very important that the container has an integer volume value, that is, 1 or 2 liters, so that you do not have to calculate how much oil to pour into a 1.5 liter, 1.3 or 1.25 liter bottle, because you can easily make a mistake.
  • You will also need a syringe, which is used as a measuring device for dispensing oil. For such purposes, a conventional medical syringe for 10 or more cubes is suitable. It is desirable that the syringe has an accurate measuring scale
  • After preparing the necessary materials, you can start cooking

Instructions for preparing the fuel mixture in the lawn mower:

  • First you need to fill the plastic container. The container is not full 2 ​​fingers to fit the oil
  • The required amount of two-stroke oil is drawn into a syringe, and poured into a bottle with collected gasoline. You need to do it this way, and not vice versa.
  • After adding a lubricant to the bottle, it requires you to close it tightly with a lid and stir. However, keep in mind that oils labeled “pre mix” need stirring. If the container with oil has the designation “self mix”, then you do not need to shake the container, and after combining the substances, you can pour them into the tool tank

After preparing the fuel mixture for the grass trimmer, it remains to fill the tool and start working. How to properly refuel grass trimmers, lawn mowers, chainsaws and other types of motor vehicles, we will consider in detail.