Step 5: Mix the correct weed eater oil to gas ratio for your two-cycle engine. Most are either 40:1 or 50:1 gas-to-oil ratios. Realistically, you won’t kill an engine if you get the wrong mix ratio (as you will eventually running it on non-oiled gas). Still, it’s best to get the ratio right. Weed Eater Oil To Gas Ratio15 Jul 2019 ... This video is about 2 C-OIL, and mixing oil and gas for chainsaws, weed eaters, and small engines. Motor bikes also. WHITE CLAW BRAH.For a mixing ratio of 1 : 50 you need 5 litres of petrol and 0.10 litres (100cm³) of STIHL two-stroke oil. Information about petrol. Information about engine oil. To mix the fuel, first …AAA says roughly 80% of gas stations in the U.S. are selling regular gas for less than $5 a gallon — and more discounts could be coming. By clicking "TRY IT", I agree to receive ne...Yes, you can mix regular oil with gas to lubricate the weed eater during use and never do so in the fuel tank. The two-stroke outboard fuel mix ratio is 40:1 for all weed eater products, translating to 3.2 ounces of oil to 1 gallon of gas. Use a container bigger than the gas volume to mix the oil, close it tightly and shake them to mix properly.http://bit.ly/1SXulN8This video demonstrates the correct oil and gas mix for 2 cycle engine yard tools. In order to extend the life of these lawn tools and k...Most models require a 50:1 ratio of gas to oil, but you should always check the manual to be sure. Once you know the right ratio, you can mix the two substances …All STIHL gasoline-powered equipment uses a 50:1 gas and oil mixture. The 50 to 1 mix chart below can help you figure out the correct measurements to use. For high-performance fuel that requires no mixing, choose STIHL MotoMix® premixed fuel.The most common fuel/oil mix ratio is 40:1. That means that you need 40 parts of gas to one gallon of oil. The same rule applies to the other two mixtures. If you know that one gallon of oil is equal to 128 oz. (1 US gallon), you just need to divide 128 oz. with the recommended mix ratio and you will calculate how many ounces of oil you need.Weed Eater Brand. All Weed Eater brand two-cycle gas trimmers use a 40:1 ratio of gas to oil. That's equal to 3.2 ounces of oil to 1 gallon of regular gas. The gas should be 87 octane with no more than 10 percent alcohol. The oil must be formulated for two-cycle engines.In this blog, we will take a closer look at the proper gas and oil ratio for your weed eater and what factors to consider when choosing the right mixture. Whether you’re an experienced gardener or just starting, you’ll find this guide helpful in maximizing the performance of your weed eater and keeping your yard neat and tidy!Product Description. RedMax high octane fuel is mixed with our best synthetic oil blend. Specifically formulated to provide the Husqvarna handheld owner with optimal equipment performance. The fuel does not degrade or oxidize like pump gas, and stays fresh for years solving longer term storage needs. 50:1 ethanol free 95 octane fuel and oil mix.Understanding oil:gas mixtures are one of the most difficult tasks for new weed eater owners. But it’s not just new owners – after a season or two away, it’s easy to forget the right steps to mix before refueling. How much oil is enough? No one wants to run their engine on the wrong fuel – even if it is a relatively inexpensive 2-cycle motor.term "trimmer" is used to designate an FS unit that is equipped with a nylon line head or a head with flexible plastic blades (i.e., the PolyCut head). A "brushcutter" designates a unit equipped with a rigid metal blade. Many FS models may be used as either a trimmer or a brushcutter – therefore, the power tool is referred in this manual as aDec 15, 2023 · Summary: grass trimmer fuel mixture Using the right fuel mixture in your grass trimmer protects it from damage such as piston seizure We recommend using STIHL 1:50 2-stroke engine oil with gas , at a mix ratio of 1:50 – 1 part oil to 50 parts of petrol If you’re using a different brand of oil, make sure it has the TC classification. Here’s how to properly mix the fuel.For more tips and tutorials about ga... If your outdoor equipment has a 2-cycle engine, it runs on a mixture of oil and gas.Step 1. Open the oil container, note the level of the oil and pour oil into an approved container. If you're mixing 1 gallon of fuel, pour until the oil level goes down to the next marker, which means you just poured out 2.6 ounces. Virtually all two-cycle oil containers have the same standard markings because nearly all contemporary two-cycle ...Page 4 2-cycle air-cooled engine oil designed to be mixed at a ratio of 40:1. Poulan/WEED EATER brand synthetic oil is recommended. Mix gasoline and oil at a ratio of 40:1. A 40:1 ratio is obtained by... Page 5 S If engine does not stop, move choke to the FULL CHOKE position. HOW TO START YOUR UNIT WARNING: The trimmer head will turn while ...Mixing Gas and Oil. The correct ratio of gas-to-oil mixture for Weed Eater line trimmers is 1 part oil to 40 parts gasoline. The best method of mixing is to start by adding 1 gallon of regular unleaded gasoline to a gas can. Then pour in a 3.2-ounce bottle of good quality, synthetic 2-cycle air-cooled engine oil.Use a 50:1 ratio of fuel to oil mix for 2-stroke cycle engines. Recommend using only fresh gas with a minimum octane rating of 89 or higher (mid-grade to premium) at all times; A 50:1 Ratio = 1 US Gal. 89 Octane + 2.6 fl. oz. ECHO PowerBlend Oil OR ECHO Red Armor Oil; 5-year consumer warranty and 2-year commercial warrantySteps for mixing two-stroke fuel and oil. Use a clean, airtight container intended for fuel. Not only will doing so prolong the shelf life of your fuel mix, but it will help prevent permeation and evaporation. Always start by filling the container with half the amount of the gas to be used. Add the entire amount of oil.To make fuel for the FS55R string trimmer, mix 2.6 U.S. fluid ounces of high-quality, two-cycle, air-cooled engine oil in 1 U.S. gallon of midgrade unleaded gasoline. Shake well before fueling. The gas should have an octane rating of at least 89, with not more than 10 percent ethanol. Advertisement.What is the correct fuel-to-oil ratio for this grass trimmer? The recommended fuel-to-oil ratio for the Husqvarna 128LD grass trimmer is 50:1. This means you should mix 2.6 fluid ounces (77 ml) of high-quality 2-stroke engine oil with one gallon (3.8 liters) of …These varying ratios depend on the brand of your weed eater; however, most models require a ratio of either 50:1, 40:1 or 32:1.These ratios ensure that your weed eater is running at optimal conditions without getting choked off with too little oil or clogged with too much.. If you use an incorrect ratio, it may result in inappropriate engine …Unless you are the general partner of an oil and gas investment, which makes you personally liable for all debts regarding the investment and requires you to create and issue tax f...Weed eater gas powered blower operator's manual (30 pages) ... gasoline must be mixed with agood quality synthetic 2-cycle air-cooled engine oil d esigned tobe mixed at a ratio of 4 0:1. Poulan/WEED EATER brand synthetic oil isrecommended. Mix g as- …The fuel-oil mixture ratio for all Weed Eater products 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. To properly insure oil and gas mixture, we recommend thoroughly shaking your oil and gas mixture before refueling ...The piston rings are seals placed tightly against the cylinder walls. These piston ring seals prevent the gasoline from flowing past the pistons and down into the oil. They do not,...Finding the correct Ratio of gasoline and oil is essential for your weed eater to run at peak performance and achieve maximum fuel efficiency. As you may already know, poorly mixed fuel can cause your equipment to stall, run roughly, and even damage the engine. That’s where I come in.Fuel Mix. To make fuel for the FS55R string trimmer, mix 2.6 U.S. fluid ounces of high-quality, two-cycle, air-cooled engine oil in 1 U.S. gallon of midgrade unleaded gasoline. Shake well before fueling. The gas should have an octane rating of at least 89, with not more than 10 percent ethanol.STIHL String Trimmers use a 50:1 fuel mixture of gas and 2-cycle engine oil. An unleaded gasoline with a minimum 89-octane rating and maximum 10% ethanol content is mixed …Advertisement As mentioned previously, a barrel of crude oil has a mixture of all sorts of hydrocarbons in it. Oil refining separates everything into useful substances. Chemists us...The fuel-oil mixture ratio for all Weed Eater products 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. To properly insure oil and gas mixture, we recommend thoroughly shaking your oil and gas mixture before refueling ...What is the correct fuel-to-oil ratio for mixing weed eater gas? The correct fuel-to-oil ratio for mixing weed eater gas can vary depending on the manufacturer and model of your weed eater. However, a common ratio is 40:1, which means 40 parts of gasoline to 1 part of oil. It is important to refer to the manual or instructions provided with ...The ideal ratio of gas and oil for weed eaters is typically 50:1, which means 50 parts of gas to 1 part of oil. This ratio ensures proper lubrication and cooling of the … Ignited of performance problems. Use only fresh, clean unleaded gasoline. vapors may explode. Always stop the engine and allow it Follow the instructions carefully for the proper gasoline/oil mixture. Page 9: Starting And Stopping STARTING AND STOPPING WARNING: Operate this unit only in a well-ventilated Off (O) / Stop outdoor area. Mixing Gas and Oil. The correct ratio of gas-to-oil mixture for Weed Eater line trimmers is 1 part oil to 40 parts gasoline. The best method of mixing is to start by adding 1 gallon of regular unleaded gasoline to a gas can. Then pour in a 3.2-ounce bottle of good quality, synthetic 2-cycle air-cooled engine oil.Most trimmers will run between 40:1 or 50:1. That’s 50 parts gas to 1 part oil. Mixing small amounts of gas and oil isn’t accurate. I mix a gallon at a time, and to keep it simple, get a bottle size that makes the correct ratio for your machine. A 3.2 fl. oz. bottle in a gallon can is 40:1, and a 2.6 fl. oz. bottle in a gallon can is 50:1 ...23 Jun 2016 ... how to mix up 2 stroke gas for leaf blowers, saws, weedeaters/weedwhackers anything with a 2 stroke (two cycle) engine on it. be sure to use ...The most common oil to gas ratio for a weed eater is 50:1, which means 50 parts gasoline to 1 part oil. Can I use regular motor oil in my weed eater? No, you cannot use regular motor oil in your weed eater as it can cause damage to the engine. You need to use 2-cycle engine oil that is specifically designed for weed eaters. What happens if I ...Refer to the engine manual and measure the adequate amount of fuel and oil in separate containers before you can begin to mix them together. In most cases, this would generally be in the region of 50:1 which is roughly 2.6 pounds of oil to each gallon of fuel that the trimmer would need to be filled with. Once you have measured out the precise ...GRASS TRIMMER / BRUSH CUTTER Burn Hazard The muffler or catalytic muffler and surrounding cover may become extremely hot. ... Fuel and oil mixture Keep bystanders and helpers away 15 m (50 ft.). AVOIDK ICKOUT. Keep bystanders at least 15 meters (50 feet) away. Thrown objects Direction of blade ...If you have been using the wrong mix in your weed eater, all you need to do is swap to the right mix. So, if you still have gas in the gas tank of your weed eater, pour it out and fill it with the right mixed fuel. You should quickly notice a significant improvement when operating your weed eater with the right gas. … See moreWeed Eater Brand. All Weed Eater brand two-cycle gas trimmers use a 40:1 ratio of gas to oil. That's equal to 3.2 ounces of oil to 1 gallon of regular gas. The gas should be 87 octane with no more than 10 percent alcohol. The oil must be formulated for two-cycle engines.8 Dec 2007 ... Newer ones do well with 50:1 mixtures. But, still, I would check with the manufacturer to be sure. Small engines can be finicky. My Stihl heavy- ...Ignited of performance problems. Use only fresh, clean unleaded gasoline. vapors may explode. Always stop the engine and allow it Follow the instructions carefully for the proper gasoline/oil mixture. Page 9: Starting And Stopping STARTING AND STOPPING WARNING: Operate this unit only in a well-ventilated Off (O) / Stop outdoor area.Are you struggling to keep your weed eater up and running? One of the most common issues that people encounter with their weed eaters is an improperly mixedUnderstanding Oil to Gas Ratio. If you have a weed eater that requires oil and gas, you might be wondering how much oil to gas mixture is needed. It’s essential to get the ratio right to ensure your tool works correctly and lasts a long time. The typical ratio for a weed eater is 40:1, which means that for every gallon of gas, you’ll needTwo-cycle Craftsman string trimmer fuel and oil ratio: Prepare the correct amount of fuel mix by consulting the table below. Take the top off a legal gas container. Fill a gas can with unleaded fuel (at least 89 octane and no more than 10% ethanol). Add the 2-cycle oil to the gas can according to the chart’s recommended ounces. Put the cap ...16 Aug 2014 ... Learn how you can mix the petrol and oil for the whipper snipper or weed whacker. Different machine will require different mix ratio, ...The make and model of your weed trimmer will determine the correct fuel-to-oil mixture. Some models, such as Stihl, require a ratio of 50:1, while others, including Weed Eater, require a 40:1 mixture and still others, including Ryobi, run on a 32:1 mixture. Check your owner's manual to make sure you're mixing in the proper ratio.If you want to use this weed eater for longer, you must care for them properly. Mixing the gas and oil in proportion is one way to get the best from your weed eater. The most … And you can not just mix these two in any container at any ratio or as much as you can, because it may cause harm to your engine. This is why it is really important to combine them in the perfect ratio. STIHL recommends it to be a 50:1 ratio of gas and oil for their weed eaters which means for one-gallon gasoline you will need to mix 2.6 ounces ... 7 Jun 2006 ... I'd either use 32:1 for both, or 40:1 in both myself. Think of it this way.... you chainsaw probablly runs lot hotter then your trimmer... and ...The US is widening its lead as the world's largest producer of hydrocarbons. For seven straight years, the US has pumped more oil and gas out of the ground than any other country. ...90. 31K views 5 years ago. How to find that gas mixture ratio for a string trimmer and how to mix the oil and gas together correctly. I Kendall Todd show you how to find the correct...The fuel-oil mixture ratio for all Weed Eater products 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. To properly insure oil and gas mixture, we recommend thoroughly shaking your oil and gas mixture before refueling ...Are you tired of clogged carburetors or engines that won't start? Maybe you're mixing your gas and oil wrong. Let me teach you the proper way to mix gas and ...Understanding Oil to Gas Ratio. If you have a weed eater that requires oil and gas, you might be wondering how much oil to gas mixture is needed. It’s essential to get the ratio right to ensure your tool works correctly and lasts a long time. The typical ratio for a weed eater is 40:1, which means that for every gallon of gas, you’ll needFeb 16, 2024 · To mix gas for your Stihl weed eater, you will need to combine the correct ratio of fuel and oil. Stihl recommends a 50:1 ratio, which is 2.6 ounces of oil per gallon of gasoline. Mix the gas and oil in an approved fuel container and shake well to ensure thorough mixing. The fuel-oil mixture ratio for all Weed Eater products 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. To properly insure oil and gas mixture, we recommend thoroughly shaking your oil and gas mixture before refueling ... Typically, the ratio for mixing gas and oil for a weed eater is 50:1, which means 50 parts gas to 1 part oil. It’s important to use a high-quality two-stroke engine oil specifically designed for use in small engines. This type of oil is formulated to mix well with gasoline and provide proper lubrication.Use only monofilament string. Use original manufacturer's replacement string for best performance. String Diameter: CS30 - .080 in. (2.0 mm) SS30 - .095 in. (2.4 mm) BC30 - .095 in. (2.4 mm) 1. Stop the engine, disconnect the spark plug wire. Hold the string head and unscrew the spool retainer.The orange rear covering was, like the rest of the trimmer, molded perfectly to protect the parts while delivering a streamlined shape to the FS 56 RC-E. The 50:1 oil-gas mixture could be easily poured into the translucent fuel tank while the trimmer is resting on the ground – there was no need to turn it on its side.Chainsaw Fuel, Oil & Lubricants; Personal Protective Equipment; Tool Belts and Accessories (20) You May Also Like. ... Gear ratio: 19: Drive gear angle: 30 ° ... Weed Eater & String Trimmer Line. Titanium Force® Trimmer Line. 4.3 (12) ...View and Download Weed Eater W25CB quick start manual online. W25CB trimmer pdf manual download. Also for: W25cbk, W25sb, W25sbk. ... During storage of your gas/oil mixture, the oil will separate from the gas. ... the gas can weekly to Prepare unit for storage at end of season or if it will not be insure proper blending of the gas and oil.Your Craftsman 2-cycle string trimmer uses a gas and oil mixture at a ratio of 40:1. This means 40 parts gas is mixed with 1 part oil. Refer to the chart below. When creating this mix, use unleaded gasoline with a minimum octane rating of 89 (mid-grade) and maximum ethanol content of 10%.Product Description. RedMax high octane fuel is mixed with our best synthetic oil blend. Specifically formulated to provide the Husqvarna handheld owner with optimal equipment performance. The fuel does not degrade or oxidize like pump gas, and stays fresh for years solving longer term storage needs. 50:1 ethanol free 95 octane fuel and oil mix.Quick Summary. The gas oil ratio for ECHO trimmers is typically 50:1, which means mixing 2.6 ounces of oil with 1 gallon of gasoline. It is important to follow the manufacturer’s recommendations for the correct ratio to ensure optimal performance and prevent damage to the trimmer’s engine.Using the right fuel mixture in your grass trimmer protects it from damage such as piston seizure. We recommend using STIHL 1:50 2-stroke engine oil with petrol, at a mix ratio of 1:50 – 1 part oil to 50 parts of petrol. If you’re using a different brand of oil, make sure it has the TC classification. The same mix ratio of 1:50 applies.The correct oil to gas ratio for a Craftsman weed eater is 40:1. This means you should mix 3.2 ounces of oil for every gallon of gasoline. It is important to use a 2-cycle engine oil that is specifically recommended by Craftsman for optimal performance and to prevent engine damage.27 May 2013 ... I have an old IDC, now Ryobi (I think) weed eater and an old 2003 Mantis tiller. The IDC manual says to use a 32:1 fuel ratio if you use ...You need to mix the right amount of oil with gasoline for the engine to run properly and get the lubrication it needs. Follow the tips in this video to mix 2-cycle oil and gas in the...The most common oil to gas ratio for a weed eater is 50:1, which means 50 parts gasoline to 1 part oil. Can I use regular motor oil in my weed eater? No, you cannot use regular motor oil in your weed eater as it can cause damage to the engine. You need to use 2-cycle engine oil that is specifically designed for weed eaters. What happens if I ... 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. For two-cycle handheld equipment manufactured after 2002: Use a 40:1 two-cycle oil mix ratio. One gallon of gasoline combined with 3.2 oz of two-cycle engine oil. The US is widening its lead as the world's largest producer of hydrocarbons. For seven straight years, the US has pumped more oil and gas out of the ground than any other country. ... The most common fuel/oil mix ratio is 40:1. That means that you need 40 parts of gas to one gallon of oil. The same rule applies to the other two mixtures. If you know that one gallon of oil is equal to 128 oz. (1 US gallon), you just need to divide 128 oz. with the recommended mix ratio and you will calculate how many ounces of oil you need. 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. For two-cycle handheld equipment manufactured after 2002: Use a 40:1 two-cycle oil mix ratio. One gallon of gasoline combined with 3.2 oz of two-cycle engine oil. Nov 24, 2009 · The fuel-oil mixture ratio depends upon the make and model of your weed eater. Some require a ratio of 32:1, 40:1, even 50:1. Be sure to check your owner’s manual for the proper ratio so you don’t harm the engine. Calculating the Fuel/Oil Mix Ratio. Once you’ve determined the fuel/oil ratio for your weed eater, you can quickly calculate ... Use only monofilament string. Use original manufacturer's replacement string for best performance. String Diameter: CS30 - .080 in. (2.0 mm) SS30 - .095 in. (2.4 mm) BC30 - .095 in. (2.4 mm) 1. Stop the engine, disconnect the spark plug wire. Hold the string head and unscrew the spool retainer.Quick Summary. The gas oil ratio for ECHO trimmers is typically 50:1, which means mixing 2.6 ounces of oil with 1 gallon of gasoline. It is important to follow the manufacturer’s recommendations for the correct ratio to ensure optimal performance and prevent damage to the trimmer’s engine.Fuel-powered engines in a weed eater need oil. If the weed eater is a two-cylinder engine, the oil and gas must be mixed with either a 50:1 ratio or a 40:1 ratio. If the engine is a four-cycle, then the oil will be separate. Whether you use mixed fuel or not, adding a fuel stabilizer is also good to keep the fuel fresh.The TB25SB gas string trimmer features a 25cc, 2-cycle lightweight engine that is comfortable for everyone. SpringAssist® technology allows for easier pull starts, while the multi-position adjustable handle reduces vibration and operator fatigue . The straight shaft reaches more easily under shrubs, around fence posts and other obstacles.using fresh fuel or specially formulated fuel mixes like STIHL MotoMix® in your equipment. STIHL MotoMix® is a high-grade, high-octane, ethanol-free premixed fuel containing STIHL HP Ultra synthetic oil. It is a pure and stable fuel mixture that can be stored for up to two years in the original container
Then add the entire oil quantity. Mix (shake) the fuel. mixture. Fill the remaining quantity of gasoline. • Mix (shake) the fuel mixture carefully before filling in the. machine ‘s fuel tank. • Do not mix more than max. one month’s supply of fuel. • If the machine is not used for a long period of time, the fuel.. Spice house edison
Are you tired of clogged carburetors or engines that won't start? Maybe you're mixing your gas and oil wrong. Let me teach you the proper way to mix gas and ...Step 5: Mix the correct weed eater oil to gas ratio for your two-cycle engine. Most are either 40:1 or 50:1 gas-to-oil ratios. Realistically, you won’t kill an engine if you get the wrong mix ratio (as you will eventually running it on non-oiled gas). Still, it’s best to get the ratio right. Weed Eater Oil To Gas RatioHowever, generally speaking, weed eater oil will be mixed with the following ratios: 50:1. 40:1. 32:1. This means that, if your engine requires a 50:1 mix, you will need to mix 50 parts fuel to 1 part oil. If you can’t find the information in your user manual or you have misplaced it then the correct ratio is also usually found on a label on ...For two-cycle handheld engines produced after 2003: 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. All of our handheld two-cycle units can operate on a 40:1 mixture.The standard mixture for every weed eater is a 40:1 ratio of gas and oil. That means you have to mix 40 parts of gas with one gallon of oil. Always use fresh gas to avoid any damage to the weed eater. It …Note that older owner manuals for ECHO products recommended strange, sometimes impossible gas to oil ratios such as 32:1. But in 2019 ECHO revised their recommendations to allow for a 50:1 ratio for all ECHO two-stroke engines using their branded two-cycle oils ( source – see page 23). ** Husqvarna’s older manuals used to call for a 40:1 ratio.The exhaust The high speed jet H affects the engine power, speed, gases are hot and can contain sparks, which may cause fire temperature and fuel consumption. Page 19: Spark Plug Incorrect carburetor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil). Always use HUSQVARNA filter oil, art. no. 531 00 92-48.The make and model of your weed trimmer will determine the correct fuel-to-oil mixture. Some models, such as Stihl, require a ratio of 50:1, while others, including Weed Eater, require a 40:1 mixture and still others, including Ryobi, run on a 32:1 mixture. Check your owner's manual to make sure you're mixing in the proper ratio.Jul 25, 2016 · Here’s how to properly mix the fuel.For more tips and tutorials about ga... If your outdoor equipment has a 2-cycle engine, it runs on a mixture of oil and gas. Steps for mixing two-stroke fuel and oil. Use a clean, airtight container intended for fuel. Not only will doing so prolong the shelf life of your fuel mix, but it will help prevent permeation and evaporation. Always start by filling the container with half the amount of the gas to be used. Add the entire amount of oil.Metal in Motion- Learn three ways to mix your 2 stroke oil, and how to calculate for mixing smaller amounts...when you're almost out of gas and need to finis...Your Toro 2-cycle string trimmer uses a gas and oil mixture at a ratio of 50:1. This means 50 parts gas is mixed with 1 part oil. Refer to the chart below for the proper gas and oil measurements required. When creating this mix, use unleaded gasoline with a minimum octane rating of 87 (regular) and maximum ethanol content of 10%..