What oil to mix with gasoline for grass trimmer

Which oil to choose

In order for the grass trimmer to work effectively, the following two-stroke engine oils are required. This is due to the absence of an oil sump in such a device. Depending on the chemical composition of the oil, the following classification is distinguished:

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  • mineral. petroleum distillate is in the base, suitable for small power and air-cooled vehicles, but requires frequent changes and may be used only in good weather in the warm season;
  • semi-synthetic. suitable for garden equipment with air and liquid type of cooling;
  • Synthetic: they are based on esters, do not require frequent changes, and can be used at any time of year.

The oil for the 2-stroke engines is characterized by good solubility and peculiarity of complete combustion. For the grass trimmer it is recommended to use a lubricant that is suitable for devices with an air-cooled system. Most often the package says that the oil is for garden equipment and is labeled TA, TV, or TC. And the last one is the most preferable.

If the consumption of engine oil during the cottage season is planned large due to the presence in the arsenal of a chainsaw, brush cutter, lawn mower, it is advisable to buy 5 liters of oil at a better price. If you need it only to mix with gasoline and fill up the only tool, then 1 liter will be enough.

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Often manufacturers of chain saws produce a suitable oil, so you can make the choice easier if you pick up a liquid of the appropriate brand.

Gasoline and oil proportions

Always follow the recommendations of the used weed whacker manufacturer when choosing the oil. Gasoline of АI-92 grade is usually used for grass trimmers. If the manual specifies 95, then you have to dilute this one and without unnecessary economy (you should not take less than 92). 2-stroke motor oil is distinguished by API classification. Only two types are worth looking at:

  • TA. for air-cooled engines (suitable for lawnmowers).
  • TB. for small engines up to 200 cm³ (designed for chain saws and small motorcycles).

Other categories (for snowmobiles, boats, etc.).п.) not used in grass trimmers. When buying a product, you should pay attention to the package. Domestic manufacturers have a notation there concerning mixing with fuel:

The following table of recommended volumes shows how many milliliters of lubricating fluid are required for any given amount of motor fuel, taking into account the proportions required:

Gasoline (in liters) Oil (in milliliters, depending on proportions)
1:20 1:30 1:40 1:50
1 50 33 25 20
1,5 75 50 38 30
2 100 67 50 40
3 150 100 75 60
4 200 133 100 80
5 250 167 125 100
6 300 200 150 120
7 350 233 175 140
8 400 267 200 160
9 450 300 225 180
10 500 333 250 200

Types of engine oils, their function

gasoline, grass, trimmer

Motor oil is a special composition of a solvent and additives that reduce friction, create the necessary fluidity and prevent thickening at lower temperatures.

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  • mineral, obtained by distillation of oil;
  • Synthetic. by synthesis or processing of natural gas;
  • semi-synthetic. improved mineral oil due to the introduction of synthetic components.

For safety reasons, in order not to confuse products, the oil is colored red, blue or green. The range varies in formulation, the user should buy the oil marked “for gardening equipment” 2T if the mixture should be prepared for a two-stroke engine, 4T for pouring into the crankcase.

Synthetic and mineral oils have different bases and should not be mixed. When changing to a different oil, the system must be flushed thoroughly.

lawnmower oil must be classified as TC oil, intended for air-cooled engines with a combustion chamber volume of 50-200 cm 3. When choosing a product, the important parameter is not the price, but the protective properties for the engine of a particular brand. That is why first of all you should buy the recommended oil, and if it is absent you should choose an identical oil.

Determines the quality of the lawnmower oil. its base number. Alkali neutralizes the oxidation process of rubbing materials, slows down the destruction of the surface. When oil becomes oxidized it loses its protective properties. Normal oil pH is 8-9 units.

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Viscosity is important. That is why there are winter oil, summer oil and multigrade oil. Which oil to use depends on whether the user will work in sub-zero temperatures. Summer oils thicken even when it cools slightly. The flash point indicates how quickly the oil burns out of the composition. Optimally, it should be more than 225 0 C.

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