30 Cubic Centimeter Curved Shaft Gas Trimmer

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Any type of 2-cycle engine oil will work fine. Just make sure it is 2-CYCLE engine oil, and not motor oil! Also,mix it at a ratio of about 1 part oil, to 40 parts Gas. Hint: The Ryobi equipment seems to like the 87 octane better than the low grade fuel, especially in high temps! Good luck!

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Use a 40:1 two-cycle oil mix ratio. One gallon of gasoline combined with 3.2 oz of two-cycle engine oil.
It is recommended that 30W or 10W-30 oil be used within a lawn mower due to its thickness (viscosity). This type of engine runs similar to a car engine and therefore needs a high quality oil in order to prevent overheating.
For a 32:1 mixture, use 4 fluid ounces of oil per gallon of gas.
Use a 40-to-1 ratio (to aid in the reduction of emissions). This can be made by mixing 3.2 ounces of two-cycle engine oil with 1 gallon of gasoline. If you are unsure of the year your equipment was made: Use the 40:1 mixture.
Mixing Your Fuel

Your strimmer runs off a mix of semi-synthetic 2-stroke oil and unleaded petrol (40:1).

What Is SAE 30 Oil? The SAE 30 oil is a single grade oil with a viscosity rating of 30. It`s called a single grade (or monograde) oil because it only has one viscosity grade. This is different from a multi grade oil, like 10W-30, which is rated for both SAE 10W and SAE 30.
Oil For Four-Cycle Trimmer

Four-cycle string trimmers generally have a separate fill port for gasoline, and a separate oil fill hole for engine oil since these should never be mixed together. Similarly, a 2-cycle oil should not be used in a 4-cycle trimmer.

30:1 2 Stroke Fuel Mix Chart

Thirty to one (30:1) is a ratio used by some older 2 stroke motors. The ratio is not the easiest 2 stroke ratios to calculate. To make it easier you can use the following old school reference chart.

Use a 32:1 gasoline to oil ratio. One gallon of gasoline combined with 4 oz of two-cycle engine oil. If you are in the state of California, use a 2-cycle oil mix ratio of 40:1.
A: The fuel-oil mixture ratio is 40:1. You can obtain this ratio by mixing 3.2 oz. of two cycle air cooled engine oil with one gallon of regular gas. Over a period of time oil will separate from gasoline.
On 4-cycle engines, oil fill caps are usually yellow in color and have the intake and exhaust on one side of the engine. Do NOT mix oil and gas in these engines.

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.

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

Gas to oil mixture for a RY 26540 – Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer
ANSWER : 50:1 don’t use outboard motor mix

What is the gas and oil ratio for Weed Eater leaf Blower GBI 22V? please
ANSWER : 40:1 which is 3oz. of 2 Cycle Oil to 1 Gallon of gas.Jim

Need gas mix solution – Craftsman 25cc 2-Cycle Gas Blower/Vac
ANSWER : Check age of gas. Cannot be more than 30 days old.

Make sure to use fresh gas w/synthetic 2-cycle oil @ 40:1 ratio
(1 gal.) Gas to 3.2 oz. Oil).Do not use old or stale oil/gas mixture. Always
use the proper oil/gas mix. If you do not, your engine will suffer rapid,
permanent damage.

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

What type of oil goes in the Ryobi 08570 Blower? What is the oil gas mix ratio?
ANSWER : You need 2 stroke motor oil or chain saw oil.Mix it according to the lable to make up 50:1 oil/gas mix.

What is the oil and gas mixture ratio for a gas powered leaf blower?
ANSWER : Per http://www.echo-usa.com/faqs/ it 50:1, there is a chart at the site that shows how to mix it.