Model P 100-1. UT 01701

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Product Details. Help protect your 2-Cycle gas outdoor power equipment with the Homelite 2-Cycle oil. This oil is a 50:1 gas-to-oil ratio. Use the whole bottle for up to 6 gallons of gas, or squeeze the bottle and let the top fill to a desired level.
Oil mix ratios explained

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.

Usually, a two-cycle engine uses a 50:1 or 40:1 2 stroke oil to gas ratio.
The stoichiometric mixture for a gasoline engine is the ideal ratio of air to fuel that burns all fuel with no excess air. For gasoline fuel, the stoichiometric air–fuel mixture is about 14.7:1 i.e. for every one gram of fuel, 14.7 grams of air are required.
The science behind air fuel ratio

The scientifically “perfect” mixture for normal petrol is 14.7:1, that is 14.7 times the mass of air to fuel. However, that doesn`t mean a car should run at that. For optimum fuel economy 16-17:1 is usually best, leaner than that and the car will begin to misfire.

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.
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.
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.
2-Stroke Oil Mix Calculator

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.

The fuel and oil mixture should always be 2% (50:1).
The theoretical air–fuel ratio mixture for a gasoline fueled engine, for complete gasoline fuel combustion, the stoichiometric air–fuel ratio is about 14.7:1. In order to completely burn 1 kg of gasoline fuel, the combustion process needs 14.7 kg of air.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Homelite d3350b what is fuel oil mix i was told i could use 50 to 1 because the new oils are better?????
ANSWER : Buy a good quality oil and mix it to the OIL manufacturers recommendation regardless of what the chainsaw manual says. If you are poking around the barn and find an old can of Homelite 2 cycle oil that says mix 25:1 mix it at that ratio.
All modern oils, chainsaws, and the EPA recommend 50:1. There has been great improvement in 2 cycle technology over the years. To rich a mix causes carbon build up on the piston that breaks loose and scores the piston and cylinder, and it stinks!

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Homelite bandit bx 90, What is the fuel mixture?? Thanks
ANSWER : On the bandit, you are safe with a 40:1 ratio. In other words 8oz. of oil to 2.5 gallons of fuel.

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I need the fuel line size on Homelite gas blower. Is the fuel filter a washable/cleanable filter?
ANSWER : I think they are 1/8 in hoses on them and if it is a foam filter they are washable,mild soap and then a light coating of oil

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What is the fuel mixture for the Homelite vac attack II
ANSWER : Hello,

The mixture is 50 to 1.

Hope this helps

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Need fuel mixture specs – Homelite Gas, 20 In. Bar, 46 CC, Chain Saw, UT10520
ANSWER : 50:1 is the fuel to oil ratio using a modern synthetic saw oil available at home centers, hardware stores, and saw dealers. Be sure to mix the fuel and oil in it’s own container, and to shake the container thoroughly each time just before filling the tank to prevent oil starvation. Hope this helps!

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Fuel Ratio Fuel mix ratio for Homelite (chainsaw) ut # 10520a
ANSWER : 40:1 is about right. Be sure to use modern synthetic oils made for saws and premix thoroughly before adding to the saw.

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Fuel,gas oil mixture – Echo 30.1CC Chainsaw With a 14 and Chain
ANSWER : The fuel/oil should be in the ratio 50 to 1

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What is the fuel mix ratio?for home lite 26cs
ANSWER : 25 to 1

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