Can Synthetic Oil Be Used in Lawn Mowers? : Mythbusters


In the world of lawn care, finding the right type of oil for your lawn mower is crucial. Many people wonder if they can use synthetic oil in their lawn mowers and whether it will provide any benefits. In this article, we will explore whether synthetic oil can be used in lawn mowers and the advantages it offers.

Synthetic Oil Vs Conventional Oil

Before we delve into the question of synthetic oil in lawn mowers, let’s first understand the difference between synthetic oil and conventional oil. Synthetic oil is a lubricant made up of chemical compounds, specifically designed to provide superior performance and protection for engines. On the other hand, conventional oil is derived from crude oil and may not offer the same level of performance as synthetic oil.

Advantages of Synthetic Oil in Lawn Mowers

Using synthetic oil in your lawn mower can have several advantages:

  • Better Wear Protection: Synthetic oil offers better wear protection for your engine compared to conventional oil. It forms a protective barrier on engine parts and reduces friction, preventing wear and tear.
  • High and Low-Temperature Performance: Synthetic oil performs well in both high and low temperatures. It maintains its viscosity, ensuring optimal lubrication, even in extreme weather conditions.
  • Extended Engine Life: Synthetic oil’s superior lubricating properties can help extend the life of your lawn mower engine. It effectively reduces engine wear and keeps it running smoothly for a longer time.
  • Longer Oil Change Intervals: Synthetic oil typically has a longer oil change interval compared to conventional oil. This means less frequent oil changes, saving you time and money in the long run.

Can Synthetic Oil Be Mixed with Regular Oil?

One common question that arises is whether synthetic oil can be mixed with regular oil in a lawn mower. The short answer is yes, you can mix the two types of oil without any risk of combustion or harm to your engine. However, keep in mind that using a mix of synthetic and regular oil may impact the performance of the synthetic oil.

Can Synthetic Oil Be Used in Lawn Mowers?  : Mythbusters


Can Synthetic Oil Be Used in Lawn Mowers?  : Mythbusters


Choosing the Right Oil for Your Lawn Mower

When selecting oil for your lawn mower, it’s important to choose a high-quality detergent oil with a classification of “For Service SF, SG, SH, SJ” or higher. Avoid using special additives in the oil. Synthetic oil is suitable for all temperatures and doesn’t alter the required oil change intervals.


In conclusion, using synthetic oil in your lawn mower is a great choice. It offers better wear protection, performs well in extreme temperatures, and extends the lifespan of your engine. Remember to choose a high-quality synthetic oil and follow the manufacturer’s recommendations. Synthetic oil in lawn mowers can help you maintain a healthy and efficient lawn care routine.

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