How to mix gasoline and oil for a chainsaw
Gasoline for a chainsaw: what to pour?
Since a two-stroke engine is used on chain saws, where it is impossible to install an oil pump, pure gasoline cannot be poured into the chain saw! Gasoline and oil fuel mix is poured into chainsaws. The proportions for different saws is set by the manufacturer, the specific number is specified in the instruction manual.
The question is often asked: what kind of gasoline to use with a chainsaw?? I will try to answer in details.
How to mix the right fuel mixture for a gasoline saw
In order you could use the tool for many years and not to have problems with its failure you need to know how to mix petrol with oil for a chainsaw. Today the forums of the Internet are just exploding with questions regarding this topic. So in this point everyone can get useful and reliable information. So let’s proceed.
Correct Way To Mix Gas and Oil For a ChainSaw, WeedEater etc.
What kind of gasoline is suitable to dilute the mixture
In order to directly prepare such a mixture, you need to buy gasoline AI-95 or AI-2, but we talked about this earlier.
Also we specified the fact that it is necessary to use only unleaded gasoline, but we didn’t specify the reason for such “caprice”. It’s very simple, because if you use leaded fuel, then you will have problems with the engine, because it will simply fail.
It is important to remember that oil and gasoline should be mixed in precise and strict proportions. In order to answer the question what the proportion of oil and gasoline for gasoline saws, you must first of all catch the fact that if you pour too much oil in that case, you can not avoid the carbon deposits on the candles and pistons.
Lack of oil will cause scoring on the pistons, as well as a quick breakdown of the engine itself.
In what to prepare and mix the solution for filling the chainsaw
Now let’s deal with an equally important task, which concerns the proper way to perform this kind of manipulation. So. Nowadays, specialized stores have special canisters, which have certain measuring divisions, as well as a couple of holes. one for the oil, the second. for gasoline.
The process itself is not something complicated, as everything is very simple: you pour the necessary ingredients into the container, perform the screwing of the caps and mix thoroughly, by tilting the container. Most hosts use plastic and glass bottles for this manipulation.
But it is necessary to remember that through such measures, static electricity can arise, so you need to be extremely careful. Remember that no drops of water or foreign objects must get into your mixture. And don’t forget that you have to keep the oil-fuel mixture ready for no more than twenty-five to thirty days.
How to choose chainsaw oil?
In order to answer this question, you need to decide on the type of your device. For chain saws that are used in gardening and construction, diluting gasoline with oil is an indispensable procedure that increases the efficiency and life of the device.
So, what factors should be taken into account when choosing?
- The place of manufacture of the saw. Yes, yes, suddenly, the first point is exactly that. The fact is that domestic chainsaws require only simple oils for maintenance. At the same time, the top foreign devices may require a special oil to work in the maximum specified indicators.
- Is it possible to pour domestic oil into the gasoline for a chainsaw of foreign production? Yes, but in this case, the power indicators may differ not for the better.
- Familiarize yourself with the brand of your saw and what people write about it on forums. It is often worth considering the specifics of some brands, for example engine oil for some, and strictly transmission oil for others.
- The equipment manufacturer should specify the preferred lubricant composition for their device;
- In the end, you can use the internet if you cannot find the oil for your chainsaw brand in the building stores. That way you are guaranteed to use the right oil to give your chainsaw a long service life.
Also important in choosing chainsaw oil is the season in which the saw is used. For example, when operating in sub-zero temperatures, even the highest quality oil may not be effective because of its crystallization. The tool must therefore initially be adapted for use in such weather conditions. For example, it is not superfluous to warm up the carburetor during work. If the saw is also stored in an unheated room, it should definitely be warmed up before use.
Many are faced with a dilemma: what oil is better to use. mineral or synthetic? The synthetic version, as in the case of cars, is more expensive, but it does not create fouling inside the device.
We would advise to choose synthetic oil from the first start, but if you have been using mineral oil for a long time, you should not change the oil type. The reason for this is the fouling that can fall off and cause damage to the saw.
How to dilute gasoline for a chainsaw? Choice of oil, proportions
One of the most frequent questions that users ask is: How to properly dilute gasoline for a chainsaw? When preparing the fuel mixture, the following factors must be taken into account:
- Gasoline quality, octane rating
- Brand of oil for two-stroke engines
- Mixing proportion
- Attachments for easy dilution of gasoline
You need high quality components
Practice proves the influence of the quality of prepared mixture with respect to the correct proportions on the service life of the tool, power, performance:
- It is not recommended to use components, whose shelf life has expired.
- It is especially important for gasoline and oil components. do not use components derived from gas condensates, because their molecular structure contains sulfur and water, which are harmful to internal combustion engines.
- Partial non-compliance of AI-92 with international standards. AI-95 grade is saturated with detonation dampening additives.
The mentioned disadvantages limit in time the service life of manual chainsaws, the internal combustion engines of which work on complex fuel mixture consistencies.
How to dilute correctly?
The figures for dilution proportions are given with such precision for a reason. That is, it does not say, “take about this amount of oil. You can’t measure the exact proportions by eye, so you have to use something that will measure the exact amount of oil and gasoline.
Some inexpensive chain saws usually come with a measuring jug with dots on it. It usually has several scales for different proportions. Or one, if the manufacturer implies that this tank will be used only with the saw, which it comes with. there should be two horizontal marks on this scale. The lower one shows how much gasoline to pour. The upper one is the level to which the mixture should reach after adding oil to the gasoline.
You can use a medicine syringe to measure oil more precisely. Preferably not less than 20 ml.
Generally pour petrol into the measuring cup, add the amount of oil measured with a syringe and shake.
Preparation of the mixture should be made necessarily in a separate container, not directly in the tank of the chainsaw. Otherwise oil may get into the carburetor before it has time to be diluted with gasoline, making it hard to start, even if you have to remove the carburetor and clean it.
Adjusting the fuel mix: oil and petrol proportion for a chain saw
The chainsaw engine is the “heart” of the tool, so it is very important to use a properly prepared fuel mixture.
Chain saw fuel mix is made of two components. oil and gasoline. Chainsaws are equipped with a two-stroke engine, so oil is not added to the lubrication system (like a four-stroke engine) but directly to the gasoline. In doing so it is very important to observe the correct proportions of ingredients and, of course, in no case try to work on pure gasoline, because that way you will very quickly “kill” the chain saw.
The oil must always be intended for two-stroke engines of gardening and forestry machinery (i.e. never use oil for boat motors or scooters). As practice shows, such oil can be purchased at any store or service center, where chainsaws are sold or serviced.
If we talk about what gasoline to pour into the gasoline chainsaw, it will be optimal to use fuel with an octane number of A-95, in this case, the savings on fuel can turn out badly. European manufacturers often indicate that you can use gasoline A-90 or A-92, but in post-Soviet countries, the quality of gasoline is inferior to European, so in our realities it is better to use higher-quality gasoline.
As for the proportion of gasoline-oil mixture itself, everything is simple: you must clearly follow the instructions of the tool. All chainsaw manufacturers indicate the required ratio in the instruction manual or in the tool’s certificate, moreover, the proportions for filling the chainsaw may differ depending on the model of chain saw. As a rule, the ratio of oil to gasoline in a chainsaw of famous manufacturers is 1:40 or 1:50, which means 1 part of oil to, for example, 40 parts of gasoline.
Now the arithmetic. 1 liter of gasoline = 1000 ml of gasoline, divide by 40 and you get 25 ml of oil. If you do the same for a 1:50 ratio, you get 20 ml of oil per 1 liter of gasoline.
As for budget chainsaws made in China, the situation is a little different. Gasoline to oil ratio for chain saw made in China 1:25, that is 1000 ml of gasoline divided by 25, you get 40 ml of oil. The reason is that brand name chainsaws have a solid build and the distance between the pistons and cylinders in the engine is much less than in Chinese chainsaws, that’s why the required oil amount is twice as much different.
To measure the right amount of oil, use an ordinary medical syringe of sufficient volume.
One more subtlety. pour the gasoline in the dry gasoline canister first, and then the oil. The procedure on the contrary is fraught with poor quality fuel mixture, because the oil is denser and will stick to the bottom of the canister. That is why there is no way to mix it well.
Be sure to prepare the fuel mixture in a canister and fill the gas tank already ready special fuel! Never mix and blend it directly in the gasoline tank of your chainsaw!
If with the question of how to dilute gasoline for a chainsaw figured out, then and about storage conditions and shelf life of the fuel mixture it is worth saying a few words. It is best and easiest to prepare gasoline-oil mixture for 1 liter of gasoline, it is recommended to do it immediately before working with the tool. The fuel tanks of chainsaws have the volume from 0,3 to 1 liter. In domestic use, the entire volume of the prepared combustible mixture is rarely used in one session, 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 The storage period of the ready-to-use mixture is 7-10 days
The fact 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 up” the oil. Naturally, you can not use such fuel already, it can cause a breakdown and failure of the chainsaw.
At the end of work, it is necessary to drain the fuel mixture and start the chainsaw. the tool will stall (so that the saw has a dry carburetor) and now you can leave it until the next session of operation.
Gasoline and oil ratios for chain saw: peculiarities of fuel mixture preparation
The buyers are warned by sellers that it is prohibited to pour “pure” gasoline in chainsaws when purchasing the tool. Many first-time buyers find this out, wondering why they need to dilute gasoline with oil. If this rule is ignored, the consequences for the tool can be simply disastrous. In most cases, even an engine overhaul will no longer be able to help. In the material we will find out what should be the ratio of gasoline and oil for filling gasoline chainsaw, as well as what can be the threat of noncompliance with this rule.
Gasoline and oil ratio
It is unacceptable, when they suggest to dilute the mixture “by eye”, pour a bottle of oil over a can of gasoline or make mixing directly in the tank of the gasoline saw.
There is a strict proportion of the components that make up the fuel mixture, varying depending on the brand of equipment or the conditions in which the work is done.
If there is no balance in the instruction manual, study the label with information from the manufacturer. There, the proportions of gasoline and oil mixing required for a chainsaw are indicated more often, but too vague for the inexperienced user.
experimentally derived a suitable amount of grease 1:40 or 1:50. And it is specified not 40 g per 1 liter of gasoline, but 1 part of oil to 40-50 parts of fuel. In practice it looks like this:
| Oil, ml | |||||
| Gasoline, l | 1:25 | 1:30 | 1:35 | 1:40 | 1:50 |
| 1 | 40 | 33 | 28 | 25 | 20 |
| 5 | 200 | 165 | 140 | 125 | 100 |
| 10 | 400 | 330 | 280 | 250 | 200 |
There are a few additional factors that must be taken into account.
If working at temperatures below two degrees Celsius, the amount of lubricant is increased to 1:30. The same thing happens when you “run in” a new tool. This ratio is recommended for the first 3-4 fuel changes after initial operation.
When mixing fuels for brand name or professional machinery, the amount of oil is reduced to 1:50. For work with Chinese or old tools increases to 1:25.