What gasoline is needed for the lawnmower?

Is it possible to fill a lawn mower with automotive oil

Most modern lawn mowers use two-stroke, air-cooled gasoline motors. The displacement of the engines rarely exceeds 200 cc. Such a design provides moderate weight and efficiency of the unit.

In some cases, companies produce lawnmowers with water-cooled four-stroke engines. In this case, you should buy oil that is suitable for car engines. the construction of ICE in this case will not differ.

General recommendations for lawn mower oil selection

Depending on the design of the engines mentioned above, it is best to use special lawnmower oil and it must be suitable for the temperature conditions to which the machine will be subject. SAE 30 class specialised lubricant is deemed to be optimum. It is used at temperatures above 5 degrees.

What oil to put in a lawn mower?

If a special one is not available, you can use automotive grade lubricants:

These greases, too, are designed mostly for positive ambient temperatures and a maximum above 35 degrees.

By type of lubricant. mineral and semi-synthetic are acceptable. Fully synthetic would be too expensive. API performance level. “SF”, “SG”, “SH”, “SJ” and higher. For four-stroke garden equipment engines, the label should be marked “4T”.

Types of brushcutters

Grass mowing, small brush mowing. For example, there are lawn mowers with an electronic engine, with gasoline-powered. brushcutters equipped with a diesel engine are NOT produced, because they have a low revolution speed.

Liquid statistics show the advantage of brushcutters with internal combustion engines over their electronic counterparts. Electric mowers are used in places where there is a stationary electronic network.

Oil requirements

The gasoline-oil mix you select for your brushcutter must comply with the required specifications in the instruction manual. It is important to note that Russian producers often label their products slightly differently from the American or Japanese classification. Russian producers of lubricants usually put the 2T marking on all oils designed for two-stroke engines. It is not uncommon to find oil cans with “o” or “pre-mix” on the shelves. In the first case, this means that the oil does not require any additional manipulation, just pour the gasoline and oil into the same container, and the mixing will take place without human intervention. In the second case, accordingly, it is necessary to shake or shake the mixture to bring it to the right consistency.

As you can see, the existence of different classifications of lubricants suggests that the use of oils in two-stroke engines is essential. This is due to the fact that the fuel mixture without lubricant pretty quickly knock out the engine, which will not be lubricated properly. Gasoline and oil form a necessary medium, which reduces detonation, removes unnecessary waste (waste products from the combustion of gasoline) and protects the inside of the engine from wear.

It is important to remember that using oil of the wrong classification can cause engine damage or clogging. Of course, it will be possible to fix it, but in order to prevent possible damage and to minimize its probability, it will be better to study the instruction manual, find out the volume of the two-stroke engine installed on the brushcutter, and use only gasoline and oil that will suit this model by all parameters.

Quite often in the recommendations section (and sometimes on the label), the manufacturer indicates partner companies whose petrol and oil it recommends to fill up their models. often than not, the fuel and lubricant recommended by the manufacturer will suit the trimmer for grass the best.

First of all, you should immediately exclude all oils of unknown (garage, basement) origin from the list of actively used lubricants. Usually it is not easy to dilute such oils because of the unclear basis, composition. As a rule, labels of non-branded manufacturers do not provide much information, covering only general information, without specifying. It is strongly not recommended to dilute and dilute oils like AC-10 and ACZp-10. The origin of these lubricants is usually quite obscure, it is better to give preference to proven brands that are used every day by thousands of people across the country.

A distinctive feature of all oils for two-stroke engines is the fact that the manufacturers paint them in a color that contrasts with gasoline. The fluid is translucent and viscous, slightly yellowish but not thick. Usually we are talking about three colors. red, green and blue.

Do not forget that the color scheme has no effect on the classification (as is often done in the case of antifreeze).

Under no circumstances should you use oils from a line not designed for grass trimmer. This can have an extremely negative impact on the operation of the power unit, lead to increased fuel consumption, fouling on the spark plugs and a whole range of other problems that will have to be identified and eliminated. It should be noted that if the fact of using oil that is not included in the tolerance is established, the seller has every right to remove the machine from the warranty. This means that replacement of defective parts will have to be done at your own expense, and no exceptions will help here.

If the fluid you have purchased does not have the declared qualities (for example, too liquid), you should never mix it with gasoline. The best thing to do is to return the oil to the store and explain the reason for returning it.

Features of lawnmowers

Despite the fact that four-stroke lawnmower engines are similar to car engines in general design, they still have important differences: in order to make the product cheaper, lawnmowers do not have an oil pump or oil supply system at all, this increases the viscosity requirements of the oil used in garden machinery motors. The engine oil in the lawnmower engine is distributed by the crankshaft: it is scooped up from the crankcase and sprayed on the parts. Due to this design, the viscosity of the lubricant must be sufficient to keep the oil film on the parts, while at the same time it should not be too thick so that it would hinder the movement of parts or form a hard crust.

On the other hand, lawnmowers operate mostly at positive ambient temperatures and the load on their engines is not as severe as on car engines. Lawn mowers most often do not require a “cold start” in the cold, which greatly reduces the resource of the car engine and requires low-temperature properties from the lubricant.

Lawnmowers are usually air-cooled and have higher engine temperatures than water-cooled car engines.

The first filling is for the running-in of the engine. after five hours of work it is replaced, and then the new lubricant can be used for the whole season. Subsequently, it is replaced according to the regulations after a certain number of moto-hours, or you drain it at the end of the dacha season and pour a new one the following year.

What kind of petrol to fill up

Lawnmower petrol. the second element of the fuel mix. Its brand is chosen according to the manufacturer’s recommendations, described in the passport to the machine. the longer fuel combustion time and resistance to detonation is indicated by the octane number: the higher the number, the longer the fuel burns. Thus, at gas stations you can buy these brands of petroleum products:

AI-92 is more prone to detonation.

When using fuel with a higher octane number than stated in the instructions, in units with 2-stroke engines, the engine is damaged, with a smaller parameter. the piston group.

The mixture is prepared before use in the proportion that is indicated on the petrol tank cap:

This means that 20 ml of oil fluid is needed per 1 liter of fuel.

Mowers with two-stroke engines (e.g. Patriot PT 555 or Champion T336) have an indication of the correct fuel mix ratio in the manual. For the first model is offered a ratio of 32:1, for the second. 50:1.

Lawn mowers with a 4-stroke engine do not require any pre-preparation of fuel. There are 2 tanks in the equipment. Fill petrol into the petrol tank and oil into the overflow port in the crankcase.

Choice of gasoline depending on the type of motor

When buying, check with your retailer what kind of motor the tool is equipped with. The petroleum product requirements for two-stroke and four-stroke engines are different.

Lawn mower with a four-stroke engine does not require preconditioning. There are two tanks for petrol and oil. Use the petroleum product recommended by the manufacturer to extend tool life.

Fill two-stroke engines with a blend of motor oil. The mixing ratio is indicated on the fuel filler cap. To understand how much oil to add, see the table.

TypeRatio
Mineral 1:32. 1:35
Synthetic 1:50

Calculation example using a synthetic product:

So you need 20 ml of synthetic oil per liter. If you can’t measure out the right amount, prepare a larger blend. For example, half a glass of synthetic oil for a 5 liter canister is enough. Surplus can be stored in the canister during the whole season, the quality will not deteriorate.

Online store “Gardener”. it is always pleasant to shop with us

With us it is profitable and convenient to cooperate, because we:

  • We sell high quality products, which is confirmed by certificates;
  • We allow you to shop with us from the comfort of your own home;
  • We deliver goods to any region. Learn more about shipping terms on our site;
  • We give a obligatory guarantee and provide post-sales service for all our products.

If you still can’t decide what petrol to pour into the lawnmower, ask our experts on the phone: 7 (495) 135-29-39 every day from 10:00 to 20:00, or call us.00 to 20.00. They are free to provide all the necessary information.

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Online store “Gardener”. it’s always nice to shop with us

With us it is advantageous and convenient to cooperate, because we:

  • We sell high quality products, which is confirmed by certificates;
  • We allow you to shop from the comfort of your own home thanks to our website;
  • We deliver to any region information about the conditions of transportation of goods can be found on our website;
  • all products have a mandatory warranty and service.

If you still can’t decide what kind of gasoline to put in your mower, ask our specialists by phone: 7 (495) 135-29-39 every day from 10:00 till 20:00, our office is at your service.00 to 20.00. They will provide all the necessary information for free.

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Oil viscosity

A 4-stroke engine requires semi-synthetic or mineral oil with SAE-30, SAE 20w-50 (summer), 10W-30 (fall and spring). These markers indicate the viscosity of the oil. Product with 5W-30 viscosity is all-season and all-weather. Two-stroke engines are not viscosity-critical. the oil is already diluted in gasoline.

Starting mistakes

The most common mistakes when starting the lawnmower:

  • Insufficient or complete lack of gasoline. A common but fairly common reason why the lawnmower won’t start. The tank is checked and gasoline is added to the proper volume.
  • Bad fuel or improperly prepared fuel mixture. In this case, it is important to read the recommendations and advice on the quality of fuel for the mower model you are using.
  • Incorrect position of the choke. If the slide valve is closed and the number of pulls exceeds 5, there is a risk that the fuel will flood the plugs.
  • Ignition off at startup. Ignition must be turned on as soon as the air damper is closed.

Intertool LM-4545 gasoline mower

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How to Change Oil Waste for a 4-Stroke Motor?

A funnel, pump and an extra canister may be needed to easily change the oil blackened after a long run in a 4-stroke engine. Do the following.

  • Warm up the mower motor by turning it on for about 10 minutes. The action is better timed to coincide with the next mowing of the overgrown grass.
  • Place a funnel with a canister and remove the drain plug.
  • Unscrew the top (filler) plug. Warmed up oil will drain out quicker and better.
  • After waiting for everything to drain out and for the residue to stop dripping, close the drain plug.
  • Wait until engine cools down. Takes up to 10 minutes.
  • Pour in fresh oil from a new canister, using the dipstick to check for oil, and screw in the oil filler plug.

The steps for changing the oil in a lawn mower are the same as those for a car engine.

The main breakdown of the hedge trimmer

Despite the wide variety of manufacturers and the variety of models, the reasons why Makita, Honda, Husqvarna or other lawn mowers do not start are the same for all.

The main reasons why the lawnmower does not start and does not stop, but immediately stops, can be problems with the ignition, carburetor, filters.

If the fuel and fuel mixture are filled with the proper quality and quantity, the air damper closes, the mower starts and is immediately forgotten; The cause may be due to the following problems:

  • Spark plug is faulty or full. In this case, it is necessary to unscrew the spark plug, thoroughly dry and clean with a file or nail file. Excess fuel drained, spark plug hole dried. The gap is set to 1 mm and the spark plug is screwed back in.

Important! It takes at least half an hour to dry the duct.

  • Dry threaded connection. It should be lubricated with gas so that the spark can be ignited.
  • There is no spark plug. In this situation, first check the contact between the spark plug and the high voltage wire. If the contact is normal and the lawnmower is jammed and held, there is a problem with the ignition and you can do without the service center.

These breakdowns are common reasons why your Huskvarn lawn mower won’t start.

Common causes of damage to garden equipment, such as why your Honda lawn mower won’t start. are air and fuel filter problems:

  • The air filter is clogged. If the first possible causes are not confirmed and the lawnmower is still standing, you can remove the air filter and try starting the unit without it. If the engine does start, this is the cause. The filter should be cleaned or replaced with a new one.
  • Dirty fuel filter. Another possible diagnosis. The filter element is checked and replaced if necessary.

Important! Starting the lawnmower without a filter element is not recommended.

Subsequent failures are more serious and difficult to deal with. There are problems with the carburetor malfunction:

  • Nozzles and ducts clogged. They are flushed with special fluids blown by the air flow from the carburetor.
  • Worn gasket. New gasket replaced.
  • Damaged leakage. Diagnosed with a tonometer. If pressure is stable, everything is fine, it is dropping. Find and replace the damaged element.

Or there could be a problem with the piston group. Worn or damaged pistons need to be replaced.

Knight BG-4900 petrol lawnmower

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Features

VIKING is an Austrian company that appeared on the market relatively recently, in 1981. The founder Heinrich Lechner originally started out producing garden shredders, but already in 1984 the first VIKING lawnmower was introduced. After the 90s the product range has expanded and the machines became popular all over the world. Austrian VIKING mowers are available in petrol and electronic versions, as well as the recently popular battery operated mowers.

Models are also divided into self-propelled and non-self-propelled, distinguished by front- and rear-wheel drive. VIKING is one of the leading manufacturers of petrol mowers today, thanks above all to the machines’ high output and sturdiness. It is also worth noting the sturdy body, made of high-quality materials.

An equally important factor noted by users is the design of the equipment. models are available in the brightest hues.

Let’s take a look at the main advantages of VIKING petrol mowers

  • The robust design of the frame means the machine can be used for a long time;
  • large knurled wheels increase traction and reduce the degree of damage to the grass during processing;
  • low noise level. only 96 dB;
  • low vibration of the machine when it is in operation;
  • knives are made of durable steel that can withstand heavy work;
  • The special technique of sharpening the blade does not cause the lawn to turn yellow;
  • availability of an ergonomic folding handle;
  • Effective work on uneven areas;
  • A wide range of amateur and professional machines.

From the disadvantages of this type of equipment, it is worth highlighting:

Even despite the above-mentioned negative traits, VIKING gasoline lawn mowers are still used to clean the lawns of the yard. Buyers especially note the power of the unit, which allows you to perform long work without interruption and overheating.

Step-by-step instructions for starting

To easily start the lawnmower, it is necessary to read the step-by-step instructions in detail, but it is also necessary to take into account the rules of fueling the device, as well as many other important nuances.

Only gasoline models need to be filled up before starting. Without the right fuel, the engine would not run properly or would not start at all. Therefore, after studying in detail the technical specifications of your device, it is also necessary to read the information about ready-made fuel or about preparing a special mixture with your own hands.

In the latter case, it is necessary to observe the proportions, which are specially calculated for the proper functioning of the mechanism.

Sometimes synthetic oils are used for this purpose. These types of fuel mixtures have a lower cost, but practically do not differ in their quality characteristics. For 100 grams of synthetic oil you need to apply 5 liters of gasoline, so the mixture will have proportions. 1: 50.

Blends with mineral oils are more expensive, because they are considered more natural and environmentally friendly, but their technical characteristics are only slightly superior to synthetic variants. The proportions when using such materials will be 1: 35, that is, for 100 grams of oil you need to use 3.5 liters of gasoline.

There are also versions of gasoline lawnmowers where the fuel tank is separate from the oil sump, so there is no need for a mixture.

Starting

Depending on the model of lawnmower, starting will be done in different ways. It is therefore important to take this into account and compare it with the mower’s own technical specifications before engaging the machine and starting the engine.

And if with the manual model, working on the principle of an ordinary grasshopper, everything is quite simple, then when starting the gasoline model, there may be some difficulties.

A petrol lawnmower can be started in two ways. with the engine cold or with the engine warmed up.

Before starting an unheated engine, you must take care to disconnect the ignition system and transmission, as well as crank the starter lever or starter motor shaft. After that, you can proceed to start, acting as follows:

  • First you need to turn on the ignition;
  • then the air damper must be closed;
  • after that you can safely start the engine.

After starting, you must set the idle speed on the instrument, using the throttle lever. Then, using the same lever, you need to switch the device to work at low speed, thereby giving the engine a chance to warm up. You can then start the lawnmower at full throttle. It is worth noting that starting the device with a non-warmed engine is acceptable, but further operation in such a state is undesirable, as it will adversely affect the overall condition and functioning of the lawnmower.

Starting the lawnmower with a warmed up engine is much easier as this process does not require any preparatory work. Actions should be performed in this sequence:

  • the control lever must be set to the maximum fuel level;
  • then the engine must be started;
  • Then the desired speed can be selected and the lawnmower can be started.

How to start after the winter?

To start the lawnmower after the winter period can be quite difficult, because most often devices of this type are stored in barns, where no heating is provided, and therefore exposed to the harsh winter climate, and sometimes to sharp temperature fluctuations. That is why it is necessary to approach this process wisely and take into account all the important nuances.

For example, the first thing to do after the winter downtime is to check the fuel tank of the device and make sure that it is clean and there is no old fuel. If the tank is not empty, however, you should clean it before refueling again. It is necessary to do this, because adding new fuel to the old one, which has survived the winter downtime, is not safe for the functioning of the device. Old fuel under the influence of winter temperatures can slightly change its composition, which when mixed with a fresher compound, or even with downtime, can lead to malfunctions.

Then for a safer operation it is necessary to act according to the principle of switching on the device with the warming up of the engine. This way you can gently prepare the lawnmower for work.

What kind of gasoline to fill the lawnmower?

The following article discusses in detail the question of how and what kind of gasoline to fill a lawn mower.

The gasoline lawnmower is in high demand on today’s market, thanks to its high power as well as free movement over large areas.

The lawnmower is an engine in a housing that is equipped with cutting surfaces for cutting the grass. Gasoline lawnmowers are equipped with air-cooled, four-stroke internal combustion engines. Oil for four-stroke engines is not mixed with gasoline, but poured into a special separate neck. Let’s now understand what kind of gasoline to fill the lawnmower? Most often used gasoline with an octane number of at least 85, such as AI 92, AI 95 and AI 98.

AI 92 gasoline is extremely popular on the Russian market and includes a set of petrochemical components, which are produced through direct distillation of crude oil. Gasoline AI 95 is one of the most octane stable fuels. The density of AI 95 gasoline specified by GOST meets the requirements set by the Euro-standard. Gasoline AI 98 refers to the highest quality fuel products. The use of this gasoline brand provides increased engine power, reduced fuel consumption and less fouling of the intake system.

It should be noted that the gasoline should be filled in a well-ventilated area, and given its ability to expand at high temperature, you need to leave a small space in the fuel tank.

If you have not yet found a proven supplier of petroleum products, we advise you to pay attention to the company Wholesale Bases. The company is a leading supplier of chemical products, engaged in the wholesale distribution of fuel, kerosene and fuel oil in Russia at a very competitive price.

To get acquainted with the main technical characteristics and properties of the product, as well as their availability in stock, you can use the handy illustrated catalog, which is available on the website of the Internet store. In addition, the qualified sales staff at Caiman Corporation.We are always ready to consult you about current issues (for example, what gasoline to fill lawnmower or what fuel is better), if necessary, to provide an updated price list and inform you about the possibility of obtaining a discount when ordering. Multichannel telephones for communication are presented on the main page of the website.