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My old Homelight XL12 used 30:1 , but most modern two stroke engines use 40:1. Probably run in either but need some carb adjustment. Start with choke full on and throttle wide open.

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Mixing 2-stroke

For example, if you need to mix 5 litres of 2-stroke fuel at a 50:1 ratio, you will need 5 litres of petrol and 100ml of oil.

The fuel to oil ratio varies depending on the engine, but it`s typically around 50:1. This means that for every 50 parts of fuel, you`ll need 1 part of oil.
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.
Mix at 50:1 (20mls oil per 1 litre fuel) when you`re using STIHL 2-Stroke oil.
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.

For a 50:1 ratio of gas to oil, use 2.6 fluid ounces of oil per gallon of gas. For a 40:1 mixture, use 3.2 fluid ounces of oil per gallon of gas. For a 32:1 mixture, use 4 fluid ounces of oil per gallon of gas.
Different equipment manufacturers recommend different oil mix ratios, complicating matters. 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.
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.
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.
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.
If your manufacturer recommends a 50:1 fuel/oil mix, it means you need 50 parts of gas to one part two-stroke oil. To mix one gallon of fuel at 50:1, add 2.6 ounces of two-stroke oil to one gallon of gas, as shown in the chart below.
For example to mix 50:1 you use 50 parts fuel to 1 part oil, which equals one litre of fuel to 20 millilitres of oil or 1 gallon of fuel to 2.56 fluid ounces of oil. For detailed instructions on what you need and how to mix a batch are here.

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What is ment by 50 to 1 mix
ANSWER : 50 to one is a ratio of fuel to lubricating oil. Typically 50 parts petrol/gasoline to one part two stroke oil.

Oil typically comes in a special plastic bottle that incoporates a measure. Simply squeeze the right ammount of oil into the little chamber and add to 5 litres of gas.

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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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What is the oil/gas mix ratio? – Husqvarna , No.455 Rancher, 20" Gas – Powered Chainsaw
ANSWER : 50:1 ratio 2.6 fl oz of 2 stroke oil to 1 gal of fuel

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How to measure 2 stroke oil gas – Troy Bilt 31cc Quickshift Blowervac, Model No. Tb310qs
ANSWER : Depending on the mix of oil to gas you can purchase a small bottle to add to the gas. I believe it is 8oz. to a gal. of gas. This should give you approx. 50:1 ratio. Hope this helps.

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What is fuel mixture for solo motosage 60135
ANSWER : Some say 100:1 with synthetics. I use synthetics on 80cc and larger saws in the range of 40/50:1. I never go higher than that….saws are just too expensive to be stepping over dollars to pick up pennies. A lot of people are trying to make mixing ratios like some kind of mystery voodoo. You’ll always be fine in the 40/50:1 range with a good synthetic oil.

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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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Fuel mix oil to fuel ratio
ANSWER : The oil ratio is 50:1
Here is the website: http://homeguides.sfgate.com/oil-fuel-mixture-farm-tough-husqvarna-chainsaw-83933.html What Is the Oil Fuel Mixture for Farm Tough Husqvarna Chainsaw

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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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My name is June Strandberg, and I am a florist and gardener in San Francisco. I have been working in the industry for five years, and I love helping people find the perfect floral arrangement for their special occasions. I am also skilled in troubleshooting and fixing gardening tools, so if you are ever having trouble with your tools, please don't hesitate to reach out to me.