Husqvarna

Experienced gardeners share their insights in answering this question :
The owners manual can be found on this link:
http://www.husqvarna.com/us/homeowner/support/download-manuals/?query=372XP&types=O

Depending on the year model of your saw there are 2 mixtures 40 to 1 and 50 to 1. Chose your model and from the link above and find out which mixture your saw uses. My own preference… from 40 years of working on chainsaws is to always use no less than a 40 – 1 mixture but the EPA laws… conflict with that.
Thanks for choosing FixYa,
Kelly

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A fuel / oil ratio of 50:1 is recommended for all Husqvarna 2-stroke products.
The correct mixing ratio for your Husqvarna is detailed in the warranty handbook. As a general guide, a fuel / oil ratio of 50:1 is recommended in Husqvarna products up to and including 75cc. In certain heavy use applications, models above 75cc may be run on a mix of 33:1.
The fuel and oil mixture should always be 2% (50:1). We recommend that you use Husqvarna oil mixtures.
Be sure to use 89 octane or higher unleaded fuel. For best results, use Husqvarna brand two-stroke engine oil that if FD certified. Always mix gasoline and oil in a clean fuel container, not in the chainsaw`s fuel tank. Fill half the amount of gasoline to be used.
Choosing the right unleaded fuel & right two-stroke oil

That`s why the best bet is to always go with Husqvarna`s premium lubricants including our premixed XP+ fuel and oil. If not using a premixed fuel and oil blend, you should always use unleaded ethanol-free gas for your outdoor power equipment.

Most modern chainsaws, string trimmers, leaf blowers and other small-engine two-stroke equipment recommend a 50:1 oil mix ratio, but some recommend 40:1 and older two-stroke equipment might even call for 32:1.
For a 50:1 ratio of gas to oil, use 2.6 fluid ounces of oil per gallon of gas.
The ratio refers to the mixture of parts of gasoline to parts of oil. So 50 to 1 fuel mix refers to 50 parts gas to 1 part oil, which is about 2.6 ounces of oil for every gallon of gasoline.
Use a 40:1 two-cycle oil mix ratio. One gallon of gasoline combined with 3.2 oz of two-cycle engine oil. Unsure of the age of your equipment? Use the 40:1 mixture.
ACERBIS – 3.9 GALLON FUEL TANK – 2020 – 2023 HUSQVARNA FE / TE.
Mixing ratios

For a mixing ratio of 1 : 50 you need 5 litres of petrol and 0.10 litres (100cm³) of STIHL two-stroke oil.

3.6 Gallon Fuel Tank.
A 100ml bottle is suitable for mixing with 5 litres of fuel to achieve a 50:1 fuel-oil ratio.
Mixing ratios

For a mixing ratio of 1 : 50 you need 5 litres of high-octane gas and 0.10 litres (100 ml) of STIHL two-stroke oil.

50 to1 means 50 parts of gas to 1 part of oil. So the 40 to 1 mixture is more oily and provides better lubrication for your piston rings. The downside is it will foul out your spark plug sooner, but that`s no big deal because it`s simple to pull the plug out and clean it and stick it back in.
TruFuel 50:1 mix is designed to work with 2-cycle outdoor power equipment that requires a 50:1 gas to oil ratio. TruFuel 2-cycle fuel is ethanol-free and formulated for hotter running, higher revving small engines. That means your 2-cycle equipment will run smoother and stronger with fewer false starts.
100:1 – Mix 50ml of oil per 5ltrs of fuel.

Recommended by Yamaha and Suzuki for most of their small two stroke engines up to about 30hp, this ratio requires the least amount of TCW3 two stroke oil. The result of using this ratio (less oil) is reduced spark plug fouling and less smoke.

What happens if the mixing ratios in a 2 stroke engine are incorrect? If you put too much oil, it can generate additional carbon build-up, making it difficult to start the engine, blow excessive smoke which is particularly bad for the environment and may (with time) cause the engine to stop operating correctly.
If you`re using a different brand of 2-Stroke oil, you`ll need to mix at 25:1 (40mls oil per 1 litre fuel). Petrol has limited shelf life (as low as 30 days), so always mix with fresh regular unleaded purchased from a reputable large volume fuel supplier.
1:25 = 1 part oil + 25 parts petrol, or 40 ml oil per litre of petrol when using other brands of oil. Any two-stroke engine oil you use in your petrol gardening tool must have the TC classification.
Running a 2-cycle with the wrong fuel to oil mixture can cause severe damage to your engine. Running the machine without any oil mixed in the fuel can cause severe damage to your equipment within just minutes. This damage is generally very costly to repair and is usually irreparable.
To calculate the oil to gas ratio, divide the oil volume by the gas volume.
This ratio indicates how much fresh, regular unleaded gasoline (containing no more than 10% ethanol) to mix with how much oil. For all Remington 2-cycle products, the ratio is 40:1. This means you`ll want to add 3.2 oz of oil to every gallon of gasoline.
Common gasoline and oil mix ratios are 50:1 and 40:1. Meaning there is 50/40 parts gasoline to one part oil when mixed. The lower the mix ratio number the more oil per volume in the gasoline. To mix properly add oil to your gas can, then add fresh gasoline from the pump.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Do I need gas and oil mix – Poulan Super 250a Chainsaw Plate
ANSWER : I think Poulan uses a 40:1 ratio to one gallon of gas, however I have always used 50:1 the same as my sthl saws with no issue. I would rather have more oil mix that to little.

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I need the gas mix oil ratio for the Poluan Pro 42…
ANSWER : 40:1 gas to oil ratio.

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DCS520 PETROL/OIL RATIO
ANSWER : 40 to one is a good mix

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What type of oil should be put in the 125L and what is the ratio?
ANSWER : 1:50 two stroke oil1 part oil to 50 parts fuel

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Do you mix gas and oil in this trimmer – Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer
ANSWER : Yes. Verifythe ratio, either 40:1 or 50:1

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OIl gas mixture ratio?
ANSWER : One small bottle of oil from the auto parts store ( i don’t know the oz. size)to one gallon to one gallon of gasoline; mixed well

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What is the oil/gas ratio for a 2-cycle engine?
ANSWER : The ratio is 40:1 the greater being petrol

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Gas to oil ratio? – Husqvarna , No.455 Rancher, 20" Gas – Powered Chainsaw
ANSWER : Hi,Gas to oil is 50 to 1 or about 2.8 oz. of two stroke oil to 1 gallon of prem. gasoline…

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