How to dilute gasoline with oil for a Shtil 180 chainsaw?

How much oil is needed for 1 liter of gasoline?

Oil and gasoline dilution tables

Correct ratios and preparation for popular brands

Different manufacturers recommend different proportions for their chainsaws. Their compliance should be treated with care. Lack of lubrication leads to failure of the internal combustion engine. Excess leads to loss of power, smoking, formation of soot with all the problems described above.

How to dilute for Stihl, in particular for the MS 180 model

1:50 for the engines of its chainsaws, including the Shtil 180 MS model . It provides the greatest power, service life and cleanliness of the internal combustion engine. It is also recommended to use motor oils in cans marked STIHL. It is important here to purchase original, but not counterfeit, products.

A mixture of gasoline with some oils is considered perishable; it is recommended to use it no later than 10-30 days after preparation.

This is not the case with the mixture of oil and gasoline recommended by Stihl. The mixture can be stored for up to 2 years. After long-term storage, the container must be shaken to remove any sediment.

Motomix is ​​a ready-made fuel mixture from Stihl, very convenient when there is no time or opportunity to mix liquids on site

How to thin a Husqvarna saw

The manufacturer recommends using special oil for HUSQVARNA in the operating instructions. It is adapted to the engines of this manufacturer, ensuring a long service life and high-quality performance. Pour in a ratio of 1:50.

It is strictly not recommended to fill in oil for two-stroke water-cooled engines, for example, for outboard motors.

It is allowed to use oils for two-stroke air-cooled internal combustion engines from other manufacturers. If the proportion is not indicated on the canister, ]Chainsaw Husqvarna[/anchor] recommends pouring an increased dose, in a ratio of 1:33.

Thus, for 1 liter of gasoline for a Husqvarna chainsaw, pour:

• 20 ml (colloquially grams) of HUSQVARNA oil (1:50).
• 20 ml of another acceptable oil, if the canister says 1:50.
• 30 ml per 1 liter of gasoline, 1:33, unless another proportion is indicated.

Husqvarna does not recommend storing the prepared mixture for longer than 30 days. Before pouring, the settled mixture must be shaken.

Oil to gasoline ratio for Partner chainsaws, in particular Partner 350

For its saws, including the 350 model, Partner recommends using Talon branded oil in a ratio of 1:40 , that is, 1 part to 40 parts gasoline.

In order to calculate the requirement per 1 liter (1000 ml), 1000 should be divided by 40. The result is 25 ml per 1 liter (1000 ml) of gasoline.

This manufacturer's instructions do not contain information about the permissible replacement of the recommended Talon oil with others. In practice, oils for air-cooled two-stroke engines and other brands are used. In this case, the proportions are already recommended by the oil manufacturers and are indicated on the canister.

Pay attention to the canister, the inscription 1:40, this once again confirms that each oil has its own recommended mixing proportions with gasoline

How to dilute gasoline with oil for Huter saws

]Hooter[/anchor] does not select any one brand of oil for its chainsaws. There are recommendations for the general type - oils classified as JASO FC or others: API TV, API TC, JASO FB for two-stroke air-cooled internal combustion engines.

If the oil does not meet these standards, problems and engine breakdowns may occur due to poor quality lubrication.

In the instruction manual, Huter himself does not name the proportions, but indicates that the mixture is made in the proportion specified by the oil manufacturer .

For example, if the canister says 1:50, add 20 ml per 1 liter of gasoline. If 1:40 is indicated - 25 ml per 1 liter.

How much oil per liter of gasoline should be poured into Champion chainsaws

For his chainsaws, Champion recommends using Champion oil for two-stroke high-speed air-cooled internal combustion engines. The proportion is 1:50 , that is, 20 ml per 1 liter of gasoline.

In addition to branded Champion, it is allowed to use oils for the same engines of other brands. Moreover, it must comply with API TV/C or JASO FC/D standards, which must be indicated on the canister label.

How many grams of oil per 1 liter of gasoline is needed for Makita saws

Makita recommends MAKITA oil for high-performance two-stroke engines for its gasoline saws. Makita pays attention to environmental protection. Oils of this brand have a minimum of polluting emissions.

Recommended proportions are 1:50, 20 ml are poured per 1 liter. Replacement with analogues of other brands is allowed, provided they comply with the international standard TS-3. At the same time, the instructions recommend adding more oil, 1:40, per 1 liter 25 ml.

When running on gasoline without oil, the engine of any chainsaw breaks down within a few minutes. Dry friction without lubrication destroys the cylinder mirror, piston rings, piston pin liner, crankshaft bearings, etc. Also, overheating due to increased friction may cause the engine to seize.

What does 1 in 25 mean?

First, let's define what the notation proportion 1 to 25 means. It means that there is one number that is twenty-five times larger than the other. For example, the number 250 is twenty-five times greater than the number 10 (250/10=25).

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How to prepare the fuel mixture?

Many experts and manufacturers do not recommend storing the prepared mixture for a long time. Therefore, you should not prepare a lot of fuel at once in reserve if it will not be used up in the next 30 days. Store fuel in the shade at moderate temperatures.

For preparation, you need measuring containers, which are sometimes included in the kit. If not, for dosage use any available container with a precisely known container for gasoline, glasses, syringes, jars and canisters with a measuring scale.

The syringe is very convenient during refilling and can serve as an excellent measuring container for oil.

Cooking video

The video shows a simple example of how you can use available containers for dosing. The author demonstrates how to make a tool for preparing the mixture from a container of household chemicals that everyone has in the house.

All chainsaws use unleaded gasoline with an octane rating of at least 90. That is, AI-92, AI-95, AI-98. Moreover, the most common and suitable option is AI-92 . Gasoline with octane ratings of 95 and 98 is recommended in cases where the engine operates primarily at high speeds. We also recommend reading in more detail about choosing gasoline.

An example of preparing 1 liter of mixture in a ratio of 1:50.

1. The container is filled to about half (0.4-0.6 l) with gasoline.
2. Pour 20 ml of oil into a clean liter container.
3. Close the lid and shake the fuel until it becomes uniform in color.
4. Gasoline is added to a liter, the cap is screwed on, and the container is turned over several times.

Gasoline that has already been diluted with oil mixes with pure gasoline that has been added very easily, so there is no need to mix too much again.

Oils are colored in different colors, red or green. Therefore, by the homogeneity of the color of the mixture or clots of different colors, it is clearly visible whether the oil has been mixed or not.

When oil is overfilled, the engine smokes. But smoking immediately after a cold start in most cases is characteristic of an unheated engine. After several minutes of operation and heating of the combustion chamber, the smoke disappears.

Basic rules of application

Two-stroke chainsaw oil is most often created on a mineral base. Less often it is synthetic or semi-synthetic. According to technology, oil for 2-stroke chainsaw engines is mixed with fuel before filling the tank.

Table of proportions

Pouring lubricant directly into the tank is also practiced, but this is not the most reliable way. Especially if the tank was completely empty. In this case, there is a possibility that gasoline will partially enter the system without lubrication. And the engine will run dry for some time.

The gasoline/oil ratio for chainsaws is strictly determined by the saw manufacturer. In some cases, oil manufacturers indicate their proportions. This is typical of expensive synthetic lubricants. And the gasoline/oil ratio in this case increases towards fuel.

If, when using a lubricant, it is discovered that a wet oil deposit remains on the spark plug, and dirty waste drips from the exhaust pipe, these are clear signs of incomplete combustion or the use of low-quality lubricant. It is necessary to reconsider the choice of motor oil for a chainsaw and the proportion of its use.

Running in the Shtil MS 180 chainsaw - tips for beginners

A purchased Stihl chainsaw in the MS 180 configuration must undergo rolling. This will allow the parts of the tool to get used to the further coordinated operation of the main mechanisms of the saw.

Before running the Shtil 180 chainsaw, you should fill it with a new fuel mixture. You will also need to add fresh oil to lubricate the chain of the Shtil 180 chainsaw. The further procedure is as follows:

1. The chain brake must be turned off first to eliminate the risk of the housing melting where the clutch is mounted. The brake will also protect the operator from possible damage;
2. Next, you should start the saw and let it run for 15 minutes with the engine idling. In this case, every 30 seconds you need to press the gas lever;
3. After this, you need to switch the saw to normal operation. At this time, you should start cutting thin branches, gradually moving on to working with larger branches.

As a rule, it takes no more than 30–35 minutes to prepare the instrument. During break-in and during further use of the Stihl MS 180 saw, you must constantly ensure that nails and other hard objects do not get under the chain.

Chainsaw device Shtil 180

The design of the Stihl 180 is characterized by simplicity, as well as high quality parts and assembly. The model is equipped with a 2-stroke gasoline engine with a volume of 31.8 cm3. The internal walls of the cylinder and the piston group of the internal combustion engine are coated with a protective substance made of chromium alloy. This extends the life of the engine and makes it resistant to corrosion. Recycled exhaust gases from the engine enter the muffler, which is diverted away from the operator. Among the advantages of the motor are high reliability, good torque reserve, and durability. The internal combustion engine does not require special care. All that is required from the owner is to use high-quality fuel and oil.

The forced air supply system is responsible for cooling the engine. The proprietary Ematic lubrication system evenly distributes oil throughout the engine parts. This allows you to extend their service life while saving engine oil. To dampen vibration, the Stihl 180 chainsaw is equipped with several dampers that absorb engine vibrations.

To prepare the fuel mixture, a carburetor is provided in the saw device. The special design of this unit allows you to reduce fuel costs without loss in the efficiency of the chainsaw.

The tool is started using a manual starter. The spark plug and the ignition system are responsible for igniting the fuel in the chainsaw cylinder. The drive sprocket receives torque from the motor through a durable clutch system.

The working parts of the model are represented by a saw bar and a chain. To adjust the position of the chain on the bar, the saw is equipped with a side sprocket. It allows you to adjust the chain tension level without additional tools. A toothed stop can be installed at the front of the tool. If necessary, instead of a tire for working with a saw, you can use various attachments in the form of a drill or grinder.

The tool comes with guards that protect the right and left hands of the feller. To protect the chain from breaking, the tool is equipped with an effective inertia brake. It is instantly triggered when the chain hits a nail or other hard object,

All spare parts and working mechanisms of the Stihl 180 saw are placed under a durable plastic case. It provides easy access to the spark plug, gasoline and oil reservoirs, as well as all screws and springs. This makes it easier to maintain and repair the tool yourself.

The model's controls are represented by a button to turn the ignition on and off, a lever for switching the throttle position, and a gas lever. On the side of the tool there is a handle and a starter cable.

The Stihl 180 chainsaw circuit is as simple and effective as possible. Thanks to its ergonomics, lightness and small dimensions, the tool can be used not only by experienced fellers, but also by novice gardeners. During operation, the German chainsaw Stihl MS 180 will show high efficiency, regardless of weather conditions and the assigned tasks.

Fuel selection

Which fuel to choose for a chainsaw is not an idle question; the success of the unit’s operation directly depends on it. According to existing canons, good gasoline for a chainsaw is considered to be not leaded, but high-octane from a trusted manufacturer. The cleaner the fuel, the better. If gasoline has been stored in a canister for a year and a half, this will negatively affect the operation of the device, so the substance should be prepared just before starting work.

It is recommended not to use low-octane fuel and to completely exclude inexpensive oils of dubious quality. You should not use leaded fuel; it significantly reduces the life of the power plant.

It is important to ensure that the fuel does not contain alcohol or any additives that could interfere with the functioning of the power plant. Experts are still debating whether 95 or 92 is better. The first has more stable detonation indicators, but most often they still use 92. The reason is simple: questions often arise about the 95, it contains a large number of different additives that have a bad effect on the operation of the saw engine. Microdetonation occurs (piston impulse in the opposite direction), which occurs at almost every revolution of the crankshaft. If the octane number is even higher (98), then the micro-shocks will become even more intense.

The consequences of incorrect gasoline on the quality of operation of the unit can only be negative:

• The mechanism will be difficult to start.

• The power will be minimal.

• Parts will wear out more intensively.

Expert opinion

Kuznetsov Vasily Stepanovich

You should not fill your chainsaw with gasoline from the bottom of the canister. The wire channels of the carburetor have small diameters; if they become clogged, this will cause the chainsaw to break down. All fuels should be carefully filtered before use. For domestic saws "Ural", "Druzhba" the fuel grade "80" is suitable.