Oil and gasoline mixture

Mix oil and gasoline in 2-stroke engine

Oil and gasoline mixture
We tell you how to mix oil and gasoline in a 2-stroke engine properly to lubricate and function as it should properly.

Two-stroke engines lack a crankcase and require oil to lubricate and function correctly. Getting the right mixture for this common type of propellant can sometimes present headaches for its owners. To clarify your doubts, we will tell you how to mix oil and gasoline in a two-stroke engine.

What is 2-stroke engine oil?

This engine type requires a special lubricant, two-stroke engine oil, designed specifically for its needs. Its characteristics include the fact that it does not generate solid waste. This prevents impurities from forming that could cause a blockage in the motorcycle’s exhaust system.

Using suitable oils is essential to ensure the correct functioning of the two-stroke engine. These propellants have very low consumption but great power and reliability. On the other hand, they require minimal maintenance, which includes a correct mixture of oil and gasoline.

Proportion in the mixture of oil and gasoline in a 2-stroke engine

As we have noted, oil works as a lubricant in two-stroke engines due to the absence of a crankcase. This component lubricates the cylinder and piston walls with each revolution to reduce friction in the area and prevent the engine from seizing. However, to achieve this, it is necessary that the proportion between these two components be adequate.

Hand unscrewing a motorcycle tank

The correct mixture between oil and gasoline in two-stroke engines corresponds to 2%. That is, for every liter of 95 unleaded gasoline, it will be necessary to have 2 percent oil.

Some oil brands have meters on their packaging, but this is not the most common. The best option in these cases, so as not to make a mistake, is to get a measuring cup for liquids. This makes the calculation easier since for every liter of gasoline, you must add 20 milliliters of oil.

Once you have both liquids in their correct proportion, you must mix them properly. Due to the densities between the two components, this action is completely necessary since oil is denser than gasoline and will tend to remain at the bottom of the tank, not performing its function and causing the engine to seize. Therefore, at this point, you must beat the mixture so that the components are integrated properly.

What recommendations are there for mixing oil and gasoline in a two-stroke engine?

This mixture remains essential for two-stroke engines, necessitating a series of recommendations to ensure proper operation and prevent engine damage.

  • If the mixture does not maintain the proper proportions, it can damage the engine because it is not properly cooled and lubricated.
  • This results in poor cooling, which will cause the engine temperature to be inadequate.
  • It is also advisable to check the mixture before using the vehicle to avoid major problems.
  • Finally, the oil is very important, you should always use one designed for two-stroke engines since these allow them to be burned without generating carbon that could clog the exhaust system.


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