What Is The Ratio Of Two Stroke Oil To Petrol?

It’s critical to understand your engine’s 2 stroke mix ratio. The first thing you should do is look over the instruction booklet that came with your equipment. It should inform you of the proper percentage for your 2-stroke mix.

If you can’t discover the exact ratio for your mix, a 40:1 ratio is commonly used for two-stroke engines. This is 125 milliliters of two-stroke oil to 5 liters of gasoline.

Which 2-stroke mix ratio is the best?

A 50:1 chainsaw oil mix ratio is recommended for most 2-stroke chainsaws. However, some experts advise a 40:1 ratio. Older two-stroke machines may even require a 32:1 ratio. It’s a pain to untangle the many instructions and mix several fuel containers, especially for professional landscapers who operate multiple pieces of equipment. We’ll go over chainsaw oil mix ratios, a solution for mixing several fuel cans, and what we think is the best 2-stroke oil for your chainsaw in this post.

What percentage of 2-stroke do you combine with gasoline?

In three simple steps, you can mix 2-Stroke fuel. Step 1: Get some STIHL 2-Stroke oil, an empty and clean fuel can, and some new unleaded gasoline from a trustworthy gas station. Step 2: When using STIHL 2-Stroke oil, mix 50:1 (20ml oil per 1L fuel).

What does a 50:1 ratio mean?

At any mix ratio up to 100:1, AMSOIL SABER Professional Synthetic 2-Stroke Oil helps alleviate these difficulties by providing exceptional protection against performance-robbing carbon and wear.

Two-stroke mix ratios are for two-stroke equipment that requires pre-mixing of oil and gas. This is in contrast to two-stroke engines, which, like many snowmobiles and contemporary outboard motors, inject oil into the engine.

The percentage of gas to oil, stated as a ratio, is known as the mix ratio. For example, 50:1 denotes a 50:1 ratio of gas to oil.

The proportions and container sizes for standard mix ratios (e.g. 32:1, 40:1, and 50:1) and the AMSOIL SABER RatioTM are shown in the chart below (100:1).

Briggs & Stratton 2-Cycle Oil

The Briggs and Stratton simple mix motor oil is first on our list. The high-quality oil comes in a 16-ounce box and is one of the most readily combined oils, with exceptionally good ratings and reviews.

Highlights include:

  • Pricing is reasonable, and there are plenty of 16-ounce containers available.
  • 2-cycle engine oil for air-cooled engines that has been particularly prepared for high-temperature operation.
  • When combined at a 50:1 ratio, the oil is ashless and smokeless.
  • There will be no residue left on the engine from the gasoline stabilizer, resulting in no friction.
  • Toro, Ryan, Lawn Boy, and other 2-cycle outdoor power machinery and equipment are especially suggested.
  • The oil is also known for its ability to reduce clogs and unpleasant odors.


  • There is some smoke produced during combustion, therefore it isn’t quite a smokeless oil.

Pennzoil Marine XLF Engine Oil

Pennzoil is another well-known brand of high-quality motor oil. Their marine XLF is a tough composition that’s ideal for carbureted outboard motors with high horsepower. Yamaha, Mercury Marine, Mariner, Johnson, Suzuki, Nissan, Force/US Marine, and Evinrude all use this 2-stroke formula to suit their engine specifications.

  • Keeps the engine running smoothly.
  • This oil will keep your pistons from scuffing.
  • Cleans the exhaust ports for a longer period of time.
  • Prevents engine damage caused by hazardous deposits.
  • Prevents carbon deposits from forming in the combustion chamber.
  • Oil-injection systems are compatible with this product.
  • Maintains the flawless operation of your investment (car) for several years
  • The packaging conditions were insufficient.

Husqvarna 2 Stroke Oil

The Husqvarna XP, a Swedish manufacturer with a history dating back to 1903, is next on our list. This is a bottle-packed 2 stroke engine oil with a tight wound bottle pack of 6 (each containing 2.6 ounces) that is perfect for storing and has a long shelf life. There’s no need to keep re-bottling it because you can use each bottle per-use as needed.

  • Premium oils are mixed with semi-synthetic oil bases.
  • For the correct amounts for improved performance, use a 50:1 mixing ratio.
  • For enhanced cleaning characteristics, it’s made using premium ingredients.
  • A proprietary low-smoke composition was used to create this product.
  • Formula Jaso-FD certified
  • Reduced chance of engine failure due to the presence of gasoline stabilizers in the oil.
  • Low operating temperatures in the engine

Klotz Super TechniPlate Synthetic 2-stroke Premix Oil

Klotz is a reputable brand that manufactures high-performance 2-stroke oils. It comes in a bottle with a capacity of 128 fluid ounces. This product is a perfect blend of durability and performance.

  • It has a clear burning quality.
  • Has a synthetic lubricant and Be NOL racing castor oil (20%)
  • It has a high weight carrying capability, which means less wear on the engine.
  • It smells fantastic.
  • The amount of smoke produced is lower than with other oils on the market.
  • Castor oil with high film strength
  • Various capacity ranges are available.
  • The customer service isn’t very good.

Lucas 2-Cycle Oil

Another semi-synthetic is the Lucas Oil 10115, which comes in a 1-gallon container. It produces no smoke and burns cleanly, making it one of the most environmentally friendly 2 stroke oils on the market.

  • At any temperature setting, it can be combined with gasoline.
  • Designed to prevent carbon from accumulating in the skirts, crown areas, and piston rings.
  • Prevents port blockage and meets the standards for a low smoke category.
  • It has a specific solvent in it that keeps the oil diluted so it can blend better with gasoline.
  • It’s made for oil injection systems that don’t need premixed oils or fuels.
  • For gasoline mixing, it has a proportionate mixing ratio of 50:1.
  • Compliant with ISO, GD, FD, and JASO FC standards
  • It has a low flashpoint of 197 degrees, making it suitable for dirt bikes as well.
  • Smoke production is reduced thanks to a specific solvent composition.
  • Not for mixing yard tools or anything else that isn’t in the 32:1 ratio.
  • Could help to improve packaging conditions.

Maxima 2-Stroke Oil

The next item on our list is the Maxima 23916 Castor 927 2 stroke racing oil with premix, which has a 30-year history and is sold in more than 50 countries. A special blend of castor oil and synthetics is included in the 16-ounce bottle.

  • Castor oil that has been thoroughly refined and purified, combined with a synthetic ester combination.
  • Reduced gum and carbon forms are combined in an additive method.
  • The special additive also ensures that the power valves are kept clean and in good working order.
  • In nature, biodegradable, and so environmentally friendly.
  • Superior anti-corrosion and anti-rust properties
  • For improved lubrication and bearing journals, adds an extra layer of protection to the cylinder walls.
  • Maintains lubrication and temperature resistance in crucial locations.
  • It’s ideal for both unleaded and leaded fuels as a premix.
  • With correct tuning and jetting, this is a fantastic performance enhancer.
  • The oil’s higher flashpoint makes it inappropriate for wooden riding.
  • Some fuels, such as the 100LL AV, are not appropriate for blending.

Quicksilver Premium Plus Outboard Oil

Quicksilver’s premium plus outboard oil is next on our list. Quicksilver is a market leader in high-performance engine oils, components, and other essential accessories. This premium plus oil is packaged in a 128-ounce can.

  • All 2 cycle engines and small engines benefit from this advanced quicksilver composition, which provides optimum lubrication.
  • To protect Mariner and other brands of outboards, it meets the criteria of Mercury Marine equipment.
  • Instantaneous power to satisfy the demanding circumstances of high-horsepower engines operating at high speeds.
  • For optimal performance, it should be combined with gas in a 50:1 ratio.
  • Prevents carbon deposition, which can lead to stuck rings and spark plug fouling.
  • Reduces the amount of smoke produced by the exhaust system.
  • Corrosion protection for the combustion chamber, as well as the intake and exhaust channels.
  • It can be used in oil injection systems or as part of a premix for engines.
  • There is no measuring cap included.

Motul 800 2T Factory Line 2 Stroke Engine Oil

The next item on the list comes from Motul Store, which is one of the most well-known manufacturers of 2-stroke engine oil. It comes in a 4 liter bottle with a good shelf life. Only synthetic premix oil is used in this product.

  • It’s a 100 percent synthetic oil with an ester core.
  • High-performance engines will benefit from this product.
  • Assists in the prevention of deposits.
  • Prevents exhaust power values and piston rings from becoming stuck.
  • Suitable for a variety of vehicles, including automobiles, motorbikes, boats, and snowmobiles.
  • The machinery is protected from normal wear and tear.
  • It is possible to improve the packing and shipping conditions.

Echo 2-stroke Oil

The Echo’s 6450025 power Blend Xtended 2-Stroke Oil Mix comes in a six-pack deal (for a total of 2.5 gallons). The oil has excellent cleaning and combustible properties.

  • At 2.5 ounces of gasoline for a single bottle, a 50:1 mixing ratio is optimal for proportionate and decent combustion.
  • Most fuels have a universal mixing profile.
  • Specifically designed and developed to benefit ECHO 2 stroke engines.
  • The oil is a Sem Synthetic blend that may be used in any air-cooled two-stroke engine, including motorcycles and power equipment.
  • Superior cleaning capacity reduces exhaust port clogging.
  • The machinery is protected from wear, tear, corrosion, and rust.
  • Fuel stabilizers are included for improved engine performance.
  • The bottle came without a measuring cup.

Red Line Two-Stroke Oil

Finally on our list, the Red Line RED 40603 is a 16-ounce two-stroke racing motor oil with a basic packaging. This pre-mixed oil is designed for use in oil injection systems and can enhance power by 5%, making it an excellent choice for high-performance applications.

Highlights include:

  • The oil burns, preventing deposits in the piston’s top rings and crown sections.
  • Almost all types of fuels and gasoline are universally compatible.
  • It can be used in both lean and rich engine fuel circumstances.
  • Can aid in preventing plug fouling.
  • Almost no smoke is produced by the smokeless design formulation.
  • There were none found to mention.

What happens if you overfill a two-stroke engine with oil?

When mixing two-stroke gasoline, it’s critical to get the fuel-to-oil ratios right.

If you use too much oil, your engine will struggle to start or operate, produce carbon buildup on internals, produce clouds of smoke, and perform poorly in general. Your engine may suffer severe internal damage and overheat if you use too little oil.

Husqvarna two-stroke engines require a two-stroke oil that is specifically created for high-performance, air-cooled two-stroke engines. Husqvarna two-stroke engines are made to run on pure, unleaded gasoline.

The warranty documentation specifies the proper mixing ratio for your Husqvarna.

In Husqvarna products up to and including 75cc, a 50:1 fuel/oil ratio is recommended as a general rule. Models larger than 75cc may be run on a 33:1 mix in some heavy-duty applications.

For the TVS XL Super, how much 2T oil should be mixed with 1 litre of petrol?

  • Brilliant 2T Oil is designed to lubricate two-stroke engines in scooters, auto rickshaws, motorcycles, and mopeds. Brilliant 2T Oil should be used at a rate of 20 ml per litre of gasoline.
  • Low-smoke exhaust
  • Maintains the cleanliness of the engine
  • Fouling of spark plugs is reduced.
  • Reduces ring sticking and port deposits.
  • Prevents scuffing and seizures.
  • Is simply pumped with the help of an oil injection system

How do you calculate the 50/1 fuel mixture?

Use 2.6 fluid ounces of oil per gallon of gas for a 50:1 ratio of gas to oil. Use 3.2 fluid ounces of oil per gallon of gas for a 40:1 ratio. Use 4 fluid ounces of oil per gallon of gas for a 32:1 combination.


There are (8 + 1) or 9 pieces if your mix ratio is 8:1, or 8 parts water to 1 part solution. The percentage of mixing is 11.1 percent (1 divided by 9).

There are (4 + 1) or 5 parts if your mix ratio is 4:1, or 4 parts water to 1 part solution.

The percentage of mixing is 20%. (1 divided by 5).


For example, if your percentage is 4%, multiply it by 1004 (96) to get a 96:4 mix ratio, which can then be lowered to 24:1.

If your percentage is 10%, multiply it by 10010 (90) to get a 90:10 mix ratio, which can be decreased to 9:1.

What is the 2-stroke petrol strimmer’s mix?

Putting Your Fuel Together Your strimmer is powered by a combination of semi-synthetic 2-stroke oil and unleaded gasoline (40:1). A measuring jug with reference lines is included with our petrol instruments. Add your gasoline to the first line and your 2-stroke oil to the second line on the side marked 40:1.