What Type of Fuel is Suitable for Your Weed Eater?

Weed eaters are powered differently. Some are powered using batteries, others using electricity and the rest using gasoline. Weed eaters powered using gasoline come in two types of engines, which are the four cycle engines and two cycle engines. 

Whichever type of engine you are using, you need to use the appropriate type of fuel in your weed eater. This is because using the right type of fuel aids in increasing the life of your engine. Read on and get to learn more regarding what type of fuel is suitable for your weed eater. 

Right and Wrong Fuel for your Weed Eater

Ensure you have the right fuel before you pour it into your weed eater. You should look out for the components of the fuel for your gasoline powered weed eater. The alcohol content of the gasoline should not exceed 10%. Completely keep off diesel fuel and instead strictly stick to ethanol-free gasoline. 

The ultimate fuel for your weed eater should be fresh, unleaded and clean 87-octane. To ease the task of looking for the ultimate fuel for your weed eater, the manufacturer normally indicates the type of fuel that should be used with your weed eater. This is because it differs from the brand to brand. 

Getting the best weed eater should be your first concern since the rest comes easy after you have acquired a weed eater from a reliable manufacturer. If by any chance you do not find the fuel recommended by the manufacturer, premium weed eater oil will be perfect for your air cooled engine. 

Do not result to using automotive oil or boat engine oil since either of these fuels will ruin the engine of your weed eater. Automotive oil and boat engine oil are not formulated appropriately. 

How to Acquire the Right Mixture Ratio

For the users of the two cycle engine, buying the right type of fuel is not the end of your work. You also need to ensure that you use the right amount of it together with gasoline. Adding in too much fuel is dangerous since it is likely to cause damage to the engine to the extent that it may knock and crack. 

Too little oil on the other hand will cause the weed eater engine to produce oily and heavy smoke. For this reason, you need to know how to mix fuel for your weed eater. The normal fuel, oil ratio is 40:1. To acquire the appropriate mixture ration, add fluid which is 3.2 ounce bottle of oil to a gallon of gasoline. 

If you need a bigger quantity, add to 2.5 gallons of gasoline an 8-fluid ounce bottle of oil. Before pouring in the fuel and oil into the engine, mix them appropriately in a container. Close the container in which you are making the mixture tightly then shake it several time to allow the mixture to blend. 

Shake the container with the mixture first every time you refill the trimmer. Shaking the container will ensure that the oil and gas are blended appropriately. It is wrong to pour them into the engine separately since they will get mix up all by themselves. 

In an instance where you discover that the ratio of the mixture is wrong, you need to turn the weed eater off to prevent it from getting ruined. To remedy the situation, simply empty the tank and ensure that you get the ratio of the fuel and oil right before you restart the engine.

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How do you know if the oil fuel ratio is improper? 

To know that the ratio of oil and fuel is improper, you will not have to carry out numerous tests. The engine does show clear signs that something is wrong either by producing too much smoke if the oil in the mixture is too much. If the gasoline levels are too high, the engine makes cracking sounds and becomes extremely hot. 

What Type of Fuel is Suitable for Your Weed Eater

Proper Storage of the Weed Eater

To store your weed eater for a longer period of time, you need to store it in the right way and under the right conditions. Ensure that you empty the fuel tank to store your weed eater safely for a period of over a month. 

Make sure that you have completely emptied the tank by replacing the cap and starting the trimmer. Let the trimmer run for some time till it ceases to clear out the fuel which could be remaining. 

If gasoline is stored in the fuel tank for long, it becomes gummy hence blocking the system. Gasoline will also certainly corrode the inner part of the fuel tank which will cause more problems later on as you try to start your machine. 

What type of fuel is suitable with your weed eater

Important Tips to Consider

  • A fuel mixer that is well over three months old could lead to starting problems. 
  • If too much smoke or heat comes from the engine, it shows that the fuel mixture is improperly blended, wrong or old. 
  • Gasoline with an alcohol percentage that exceeds 10% is dangerous since it can cause the engine’s power to drain off or run erratically. If using gasoline with an alcohol percentage of more than 10%, I would recommend that you drain off the fuel tank every time after you use it. 
  • Even though fuel stabilizers come in handy in some engines, they are not appropriate for weed eaters since fuel has oil. 


When it comes to the question of what type of fuel is suitable for your weed eater, there is no justification for taking chances. Ensure that you observe the manufacturer’s instructions in the manual regarding the right fuel for your weed eater. Also, when mixing up the fuel to oil ratio, make sure that you observe the 40:1 ratio to ensure that the engine of your machine does not experience any mishaps as you work. 

One key point you need to observe is that once you are done with your day’s work, you should get rid of the unused fuel from the weed eater, start the engine and run it dry. With that, it will be safe for storage. Following these key points will ensure that you have a happy and responsive weed eater for your engine. 

I hope that the article was helpful and that you will have it easy determining what type of fuel is best for your weed eater. Where you need clarification on matters regarding the ultimate fuel for your weed eater, feel free to ask and I will be glad to offer my assistance as soon as I can. 

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