50 to 1 fuel mix chart gallons: 2 cycle oil mix

Like any other engine type, two-cycle engines run on a mixture of gasoline and oil. They are designed to run on a specific ratio. It is also known as a Petroil, a total-loss lubrication system.

And the best 2-cycle oil mix is a specific type designed for two-stroke motor engines. It is necessary for engine lubrication and combustion. It’s because the two-stroke engine employs crankcase compression as part of the induction tract.

Here’s a quick overlook of the products we recommend. Scroll down below to find the 50 to 1 fuel mix gallons chart that we’ve included for your 2-cycle oil requiring machines!

Product name
Best for infrequent use
Echo 6450001 Power Blend
Best value
Pennzoil Marine XLF
Best bulk & convenience
Echo Oil
Echo 6450001 Power Blend 1 Gallon Oil Mix (50:1) 6 Pack
Pennzoil 550045221 Marine XLF Engine Oil, 1 Gallon - Pack of 1
48PK Echo Oil 2.6 oz Bottles 2 Stroke Cycle Mix for 1 Gallon - Power Blend 6450001
What we love
Great option to avoid having to measure out
Amazing, high quality option
Easy, convenient & bulk
Best for infrequent use
Product name
Echo 6450001 Power Blend
Echo 6450001 Power Blend 1 Gallon Oil Mix (50:1) 6 Pack
What we love
Great option to avoid having to measure out
Best value
Product name
Pennzoil Marine XLF
Pennzoil 550045221 Marine XLF Engine Oil, 1 Gallon - Pack of 1
What we love
Amazing, high quality option
Best bulk & convenience
Product name
Echo Oil
48PK Echo Oil 2.6 oz Bottles 2 Stroke Cycle Mix for 1 Gallon - Power Blend 6450001
What we love
Easy, convenient & bulk

The oil-derived substance is combined with gasoline at a specified ratio spanning 16:1 to 100:1. The additive can be petrol or castor oil. It’s also possible with a partial chemical synthesis or synthetic. The first value in the ratio stands for the gas, and the second is for the oil.

Modern two-stroke small engines use these synthetic products to minimize excessive emissions and waste accumulation in spark plugs. It’s important whether used in trimmers or chainsaws. They both require the use of synthetic products. Synthetic oil is safe to use, but it must be used in the precise ratios recommended for the engine. It is meant for higher temperatures and pressures.

2-cycle engine oil

A 2-stroke mix has a lower ash concentration than ordinary two-stroke lubricating oil. It reduces carbon deposits caused by the high ash content. If not used, a non-two-cycle mix with gasoline can become gluey in as little time as a few days. Here’s everything you need to know about a 50 to 1 fuel mix and a gallons chart to get the right 2-cycle product!

When should you use this product?

wood being cut with a chainsaw

Many kinds of garden equipment use a two-stroke engine that requires this special product, such as chainsaws and hedge trimmers. Two-stroke engines benefit from the lubricating features. 2-cycle engines have a single fill port. The mixture must have a specific recipe to work. The resulting product is put into the fuel tank to aid engine combustion and lubrication. Using just gasoline in a two-stroke engine might result in engine failure.

First, identify the manufacturing date of your equipment. It is generally near the model number or in the operator’s manual. The mixture has a ratio that specifies the proportions of each of the two components.

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A 32:1 ratio is required for most 2-cycle handheld devices developed before 2003. It is made by combining 1-gallon fuel and 4 ounces of 2-cycle engine oil. Units built after 2002 typically require 40:1 or 50:1 ratios. It’s created by coming 1-gallon fuel and 3.2 ounces of oil. If you are unsure of the age of the equipment, use a 40:1 or 50:1 ratio mix. A 40:1 engine oil can be used in almost all 2-cycle units.

Identifying the right ratio: 2-cycle versus 4-cycle engine

50:1 engine oil

Identifying the number of fuel tanks and oil sump fill ports is the simplest method to tell whether you have a 2-cycle or 4-cycle engine.

2-Cycle 4-Cycle
2-cycle engines have one fill port.4-cycle engines have 2 fill ports
The fill port caps of 2-cycle engines will feature a fuel sump and a can icon indicating the mix ratio.The fill port caps on 4-cycle engines will tell apart the tank from the oil sump. The fuel cap will include a gas pump icon, while the cap will feature a drop icon.

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The following are the common mistakes in filling the tank on a 2-cycle engine one must avoid, including;

  • Avoid operating the engine only on gasoline.
  • Avoid pouring just oil into the tank.
  • Avoid failure to pre-mix the ingredients before filling the tank.

To reduce emissions and avoid future gumming, use a low smoke product with a stabilizer. Most 2-cycle products include an easy-to-mix, ashless formulation that prevents carbon deposits in the exhaust system.

The most common ratios are 50:1 and 40:1, implying 50 parts gasoline to one part oil when mixed. 40:1 is the name of the different ratios. As per the name, it contains 40 parts gasoline to one part oil.

The lower the ratio value, the more oil per volume of gasoline is present. Add 2.6 ounces for a 50:1 fuel mix to a one-gallon gas can and 3.2 ounces for a 40:1. Be sure to stir it well before filling up the tank.

You may refer to the handy chart below to use the correct ratio required. It includes making sure what it is that your engine needs:

Based on the US Metric

RATIO OUNCES per GALLON MILLILITER per LITER PERCENTAGE RATE (oil)
60:1 2.1 16.7 1.6%
55:1 2.3 18.2 1.8%
50:1 2.6 20 2.0%
45:1 2.8 22.2 2.2%
40:1 3.2 25 2.4%
37:1 3.5 27 2.6%
35:1 3.7 28.6 2.8%
32:1 4 31.3 3.0%
30:1 4.3 33.3 3.2%
25:1 5.1 40 3.8%
20:1 6.4 50 4.8%
16:1 8 62.5 5.9%

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Ratio for chainsaws

A 50:1 ratio is the standard for a 2-stroke chainsaw combustion engine. However, other manufacturers suggest a 40:1 ratio for their models. After filling the engine tank with the mixture, shake it actively after being idle for a bit to disperse the oil into the gas thoroughly.

man cutting down tree

Outboard motors

50:1 is the usual mix for outboard motors. Most portable outboard motors have 5 to 6-gallon tanks.

Here’s the fuel mixture chart for the 50:1 ratio
Gas in a gallonOil, in ounces
6 gallons15.4 oz
5 gallons12.8 oz
4 gallons10.2 oz
3 gallons7.7 oz
2 gallons5.1 oz
1 gallon2.6 oz

Mixture ratio for the standard garden equipment (ex. Echo SRM 225 weed trimmer):

Weed trimmers use a 40:1 fuel-to-gas ratio. It is 3.2 oz oil to gas (1 gallon) if that is the amount you are trying to get out of it. However, the above chart will give you the best measure for different amounts. Because it will separate from gas over time, shake it well before refilling.

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The fast and easy way to calculate the volume of each of the products

Example to figure out a 50:1 mixture: Multiply the number of liters by 2 and add 0 at the end to get to milliliters.

For example; 5L X 2 = 10, and add 0 it becomes 100ml. That gives you a 50:1 ratio if you mix 100ml to 5 liters of gas.

For a quick and exact calculation, accurate applications and software are readily accessible online. However, the charts above should hopefully give you a good understanding of your needs.

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Can you use synthetic with regular oil?

chainsaw being used at local market

Yes, it is possible. Bear in mind that synthetic and regular oil are two different products, even though both are produced from petroleum. So the question is, what happens if you combine synthetic and regular oil regularly?

Experts say that combining different types on occasion is OK for things like emergencies. However, doing so routinely is not suggested since various other products may interact or be toppled by the mixture. Remember that all motor oils are a combination of base oils and additives.

Each kind is identifiable by nature. Synthetic additives are often of a higher grade than common additives. If you combine the two, the enhanced performance of synthetic products will diminish. Its benefits will be reduced as conventional oil interacts with it.

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Possible negative effects when you are unintentionally getting various products together:

  • Unstable mixture and performance as a consequence
  • Lose the advantage of pricier synthetic options.
  • By nature, additives may not perform their function.
  • It does not harm the engine, but it degrades its performance.

How do you mix 2 stroke gas?

If you have two-cycle engine equipment, it runs on a mixture of oil and gas. We have previously talked about. The majority of the ratios are based on a 1-gallon gas. Your equipment may include a single serving of the correct amount of motor oil per gallon, such as 40:1.

If unsure, check the labels to determine the proper ratio for your equipment. If you cannot find it, make sure to contact the manufacturer. You’re only giving your tools what they need by providing them with the right fuel.

Combining the various components is pretty simple. Start by putting the right amount into the gas can. Then pour in one gallon of fresh gas and stir it around. Take note:

  1. Do not attempt to mix the various components in the equipment’s gas tank directly. It is bound to go horribly wrong, and you may end up ruining your equipment in the process.
  2. For 30 days, use the 2-cycle combination.
  3. Add a stabilizer to extend its shelf life.

As a result, you may blend regular oil with gas in the same proportion as two-stroke. The primary goal is to maintain the lubricating quality supplied to the fuel. It assists in both engine combustion and lubrication. Running a 2-stroke engine on gas alone will cause it to fail.

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Should you use the pre-mixed oil?

Suppose you’re a man who prides himself on doing everything yourself. You may even think that you should also be mixing these various products. After all, how hard can it be? There is a lot of truth to the fact that you can do this process yourself. The real question is whether or not you will want to go through the process.

You’ll deal with some very greasy materials. It takes some serious cleaning to remedy if you get it all over the place. Cleaning is also messy if you get the ratios incorrect. At that point, the finished product may no longer be suitable for the intended purpose. There are ready-made products that will take a lot of the hassle out of your task. They’ll come at a very affordable price as well.

While it may seem like the pricier route, you’ll save money by not having to replace your power tools. It could be when you’re using a lawn tractor that requires it. You’ll get machinery that starts when you need it with these ready-to-use products. You’ll have the product readily available in convenient containers. You won’t have to combine it every time you have to use it.

You can get the amount you need, which makes it a great option for storage. You don’t have to fill up your garage with lots of products for which you don’t have space. Additional storage space may be a high-priced commodity. You can’t simply take it for granted.

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Make sure to follow the manufacturer’s recommendations no matter if you buy some that are mixed or you do it yourself. Yes, there’s a difference between 40:1 and 50:1. The proportion of lubricating liquid is higher in a 40:1 product than in the alternative.

The good thing about going to a place like Amazon is that you can set up automatic purchases. The pre-mixed product shows up in front of your door every three months! That way, you’re not caught off guard when you suddenly have to use a chainsaw to remove a tree stump in the backyard. You already have all the fuel available that you’d need.

Suppose you aren’t adding the right ingredients to your masterpiece. You risk sitting with a lot of it in storage that may become unusable before you intend on working in your garden.

carpenter using chainsaw

FAQ

What is a 40 to 1 gas mixture?

A 40 to 1 gas mixture refers to the concentration of ingredients that make up the fuel used.

This means that a 40 to 1 gas mixture will contain 40 parts gasoline and one part oil.

How do you mix a 40 to 1 ratio?

Add 3.2 ounces of oil to a one-gallon gas can, and make sure you mix the contents well as the tank fills.

Does 32 1 or 40/1 have more oil?

A 32 to 1 gas mixture has a higher amount of oil compared to a 40 to 1 gas mixture.

This is because the lower the ratio value is, the more oil per volume of gasoline is present.

A 40 to 1 gas mixture will contain 3.2 ounces of oil.

A 32 to 1 gas mixture will contain 4 ounces of oil.

What happens if the 2-stroke mix is wrong?

Improperly performing a 2-stroke mix can lead to engine failure.

What is the best 2-stroke mix ratio?

The most used 2-stroke mix ratio is 50:1.

40:1 is also used frequently.

If you want to mix 40:1 chainsaw fuel properly, you will need to follow these steps:

How do you mix a 40:1 chainsaw fuel?

  1. Obtain the following required materials.

    These are the things you’ll need:
    -a container
    – one gallon or more of 89 octanes or higher ethanol-free gasoline
    – a bottle of 3 ounces or more of 2-cycle oil
    – the chainsaw you want to use

  2. Fill the container.

    Take the container mentioned above and pour half of the gasoline into it.

  3. Pour in the oil.

    Pour the amount of oil needed to make the 40:1 mixture into the container.

    As we said above, you will need 3.2 ounces of oil to make a 40:1 mix.40:1 2-cycle engine oil

  4. Close the container.

    Close the lid of the container and shake for 10-15 seconds.

  5. Add the rest of the gasoline.

    Open the lid of the container and add the remaining gasoline.

    Again, close the container’s lid and shake it for 10-15 seconds.

  6. Enjoy the result.

    Remove the chainsaw tank cap and add the oil and gasoline mixture inside.

    Try to fill the tank up to 80% of its maximum capacity.

    Close the lid and make sure it is tightened in place.

Conclusion:

A 2-cycle oil mix is required for lubrication and combustion in equipment powered by a 2-cycle engine. Your equipment’s engine finally unlocks its maximum performance with the proper ratio.

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