Mixing Gas for Your Leaf Blower: A Step-by-Step Guide

Leaf blowers are an essential tool for keeping your yard clean and maintaining its overall appearance. To ensure that your gas leaf blower runs smoothly and efficiently, it’s crucial to mix the right ratio of gas and oil. This article will provide you with step-by-step instructions on how to mix gas for your leaf blower, helping you extend the life of your equipment and keep it running at its best.

Choosing the Right Gasoline

The first step in mixing gas for your leaf blower is to use the right type of gasoline. Most leaf blower manufacturers recommend regular unleaded gasoline with an octane rating of 87 or higher. It’s also important to choose gasoline with an ethanol blend of 10 percent or less. Using gasoline with a higher ethanol content can cause your engine to perform poorly or not start at all. Never use high ethanol fuels like E85 or diesel fuels in your leaf blower.

Fresh Gasoline is Key

Fresh gasoline is essential for optimal leaf blower performance. Ethanol-enhanced fuels have a tendency to attract water, which can cause the formation of separate layers of gasoline, ethanol, and water in the container over time. It’s important to avoid using stale gas as it can prevent your leaf blower from starting. Make sure to buy fresh gasoline from a reputable source to ensure the best results.

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Choosing the Right Two-Cycle Oil

Manufacturers often recommend specific two-cycle engine oils for their leaf blowers. Different types of two-cycle oils are available, so it’s important to choose one that is designed for your specific motor. These oils are specially formulated to provide the necessary lubrication and protection for your engine. Investing in high-quality two-cycle oil will help extend the life of your leaf blower and keep it running smoothly.

Determining the Oil to Gas Ratio

Before you start mixing, you need to determine the correct oil to gas ratio for your particular leaf blower model. The user’s manual or the fuel tank of your leaf blower may provide this information. You can also find the ratio inside the fuel cap. To make the mixing process easier, use your gas container as a reference.

If you have a one-gallon container of fresh regular unleaded gasoline, you can calculate the amount of two-cycle oil needed for that specific ratio. For example, for a 40 to 1 ratio, you will need to add 3.2 ounces of oil to one gallon of gas. It’s important to measure the oil accurately to ensure the right mix.

Mixing Gas and Oil

To mix the gas and oil, use your gas container as a mixing vessel. This approach allows for easy refills and helps seal the mixture securely to protect it from air and humidity. Start by pouring the required amount of two-cycle oil into the container. Then, add the appropriate amount of gasoline based on the ratio you need. Close the container tightly and shake it gently to ensure thorough mixing of the gas and oil.

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Fuel Stabilizer for Added Protection

Consider adding a fuel stabilizer to your mix to further protect your leaf blower. Fuel stabilizers help prevent the gasoline from degrading and becoming less effective over time. They are especially useful if you don’t use your leaf blower frequently or during long periods of storage. Follow the manufacturer’s instructions when adding a fuel stabilizer to your mix.


Mixing gas for your leaf blower is a straightforward process that requires attention to detail. By using the right gasoline, fresh fuel, proper two-cycle oil, and the correct ratio, you can ensure that your leaf blower runs smoothly and efficiently. Following these steps will help extend the life of your equipment and keep it in optimal condition. Remember to consult your user’s manual or the manufacturer’s recommendations for the specific requirements of your leaf blower. Enjoy a well-maintained yard and the benefits of a properly mixed gas and oil ratio in your leaf blower.

Ames Farm Center

Ames Farm Center