The ratio you need to remember when making up fuel mixture for your STIHL petrol tool is: **1:50 = 1 part oil + 50 parts petrol**, or 20 ml oil per litre of petrol when using STIHL 2-Stroke Engine Oil.

## What is STIHL mix ratio?

All STIHL gasoline-powered equipment uses a **50:1** gas and oil mixture.

## What is the correct ratio for 2-stroke fuel mix?

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?

## What is 50 to 1 mix ratio?

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.

**What is the 2-stroke mix for STIHL? – Related Questions**

## How many ml of oil for 50 to 1?

Mixing Ratio (Gas:Oil) | Volume of Gasoline | Volume of 2-Cycle Oil |
---|

50:1 | 1 US gal. (128 oz) | 2.6 oz. |

32:1 | 1 liter | 31.25 ml |

40:1 | 1 liter | 25 ml |

50:1 | 1 liter | **20 ml** |

## How do you know if you have too much oil in a 2 stroke?

**Excess oil can produce a smoky exhaust, oil leaking out of the muffler, and sometimes loss of power**. While not ideal, these issues can be fixed by simply replacing the fuel in the tank with properly mixed fuel.

## How do you make 50/1 fuel mix?

You want to mix **2.6 ounces of oil to one gallon of gasoline** for a 50:1 mixture. If you’re mixing up two gallons of gasoline you will have to mix 5.2 ounces of oil to two gallons of gasoline for a 50:1 mixture. I would recommend using fresh gasoline that has an octane rating of 89.

## What is 50 to 1 fuel mix in Litres?

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**.

## How do you calculate mixing ratio?

**Divide 1 by the total number of parts (water + solution)**. For example, if your mix ratio is 8:1 or 8 parts water to 1 part solution, there are (8 + 1) or 9 parts. The mixing percentage is 11.1% (1 divided by 9).

## What is a mix ratio of 1 to 1?

One to One (1:1)

If you were ordering a pint kit, this means you would be receiving **one full pint of Part A and one full pint of Part B**. After mixing Part A and Part B together, you will have 2 full pints of material.

## How do you mix a 2 to 1 ratio?

## What does 5 to 1 mix mean?

To make a 5:1dilution ratio for a gallon, we add the ratio numbers together like this: **5+1=6**. Then we take 128oz and divide that by 6 and we get 21.3333333. So put 21.3oz of chemical in the container and fill the rest with water totaling 128oz to make a gallon of solution at a 5:1 dilution.

## What does 1 part to 5 liquid parts mean?

For example, you want to make a quart bottle diluted at 1-to-5. Divide 32 ounces by 6 (1 part product + 5 parts water). **The amount of chemical to put in the quart bottle is 5.3 ounces**.

## Can you use motor oil for 2 stroke mix?

Can I Use Engine Oil for 2-Stroke Mix? Engine oil and motor oil don’t lubricate as much when they’re exposed to gasoline. **You can use engine oil temporarily, but it will cause the parts to grind together with constant use**. Engine oil also creates more pollution than 2-stroke oil, which burns clean.

## What does 1 to 4 ratio mean?

A 1:4 dilution ratio means that a simple dilution contains one part concentrated solution or solute and four parts of the solvent, which is usually water.

## What is the ratio of 2 to 4?

Note that the ratio 2 to 4 is said to be equivalent to the ratio 1 to 2, that is 2:4 = **1:2**.

## Is it better to have a higher or lower ratio?

When businesses try to take on short-term debt, lenders may look at the current ratio as a measure of the ability of the business to service the debt. **A high current ratio is better than a low current ratio**.

## Is 25% the same as 1 in 4?

For example, 50% can be written as 1/2, and **25% means 1/4**. In the same way, you can convert vice versa: fraction to percent conversion.