Ryobi weed wacker gas mix

The Oil-to-Gas Ratio in a Ryobi SS30 Lawn Trimmer. Two-cycle, or two-stroke, engines require you to pre-mix oil in the fuel to lubricate the piston. Without lubrication, the engine will seize. A seized engine is not repairable and makes for a bad day of yard work. To prevent a costly mistake, always mix the specified 50:1 gasoline-to-oil ratio ...

Ryobi weed wacker gas mix. This Ryobi 25cc, gas curved shaft string trimmer has a curved shaft and weighs 11.4 lbs. ... Uses straight gasoline and doesn't require an oil/gasoline mixture, as do the two-cycle engines found ...

Glow Engines, Gas Engines, Fuel & Mfg Support Forums; / ... can someone tell me the fuel mix for the Ryan weed trimmer 265? ... its ryobi model number 264 weed ...

So, for instance, if the ratio of gas to oil for your weed eater is 40:1 and you have a 5-liter container of gas, then you will have to convert 5 liters to milliliters by multiplying by 1000. Hence 5 litres= 5 × 1000. Which is 5000 ml. Since the ratio of gas to oil is 40:1, it then means you will have to divide 5000 by 40.NOTE: Dispose of the old fuel/oil mix in accordance to Screws Fig. 6 with one 4 oz. (120 ml.) bottle of RYOBI 2 CYCLE OIL makes a 32:1 fuel/oil ratio. RYOBI 2 CYCLE OIL 1 US. GALLON + 4.0 FL. OZ. Page 10: Starting/Stopping InstructionsEnsure A Proper Mix Of Oil And Gas In Two-Stroke Engines. 4-cycle weed eaters have two separate compartments: one for fuel and one for oil. The gas is burned to power the machine, while the oil is used to lubricate the engine. But 2-cycle weed eaters only have one fuel tank where the oil and fuel are mixed together.753-06258A Carburetor for Ryobi RY252CS RY253SS RY251PH RY254BC 2 Cycle 25cc Gas String Trimmer Craftsman MTD Cultivator Edger Engine Carb with Air Filter Tune-Up Kit. 129. 500+ bought in past month. $1659. FREE delivery Thu, May 2 on $35 of items shipped by Amazon. More Buying Choices.Jun 13, 2020 ... Basic Operations STIHL Grass Trimmer | How To Mix Oil & Gas, Start ...Pour the oil into the gasoline container. Secure the container’s cap and shake the mixture vigorously for at least 30 seconds to ensure thorough mixing. Label the container with the gas-to-oil ratio and date mixed to avoid confusion and prevent using stale fuel.About This Product. This RYOBI 2-Cycle Gas Straight Shaft String Trimmer features a full crank engine that creates 2X longer life. Accepting RYOBI Expand-It Universal brand fit attachments, this string trimmer offers versatile operating function, allowing you to save time, space and money.Introducing the RYOBI 2 Cycle Gas Straight Shaft String Trimmer with a full crank engine for 2X longer life. This string trimmer accepts RYOBI Expand-It Universal Brand Fit …

Nov 29, 2016 · Here's a quick guide on how to mix your fue... If you love your petrol powered tools, then knowing the difference between 2 stroke and 4 stroke fuel is crucial. Here's a quick guide on how to mix ... Page 12: Holding The Trimmer. The Bump Head release trimming line without stopping the engine. To release more line, lightly tap the cutting attachment on the ground (Fig. 9) while operating the trimmer at high speed. NOTE: Always keep the trimming line fully extended.GARAGE BOSS GB310 Briggs and Stratton GarageBoss Press 'N Pour 1+ Gallon Gas Can, Red. $14.22 $ 14. 22. Get it as soon as Tuesday, Apr 2. In Stock. ... Echo Products Echo 6450005G Power Blend Gold Oil Mix 50:1 for 2-stroke2cycle Outdoor Power Equipment, High-Performance Semi-Synthetic, Low Smoke Emission 12.8 fl oz (1 Pack)Incorrect 2-Cycle Oil Mix. Using straight gas in a 2-cycle RYOBI string trimmer will damage the engine and cause it to seize up. Adding straight gas to your string trimmer is a quick way to ruin it. A 2-cycle RYOBI string trimmer uses gas and oil mixed at a ratio of 50:1. For example, a 50:1 mix equals 50 parts gasoline to 1 part oil.The RYOBI EXPAND-IT 18" String Trimmer Attachment is compatible with most gas & cordless attachment capable systems. It’s backed by the RYOBI 3-Year Manufacturer's Warranty and includes RYSST44 Straight Shaft String Trimmer Attachment, Straight Shaft Grass Deflector, Hanger Cap, SPEED WINDER, and Operator's Manual. See More. …

Some of the most reviewed products in RYOBI Cordless String Trimmers are the RYOBI ONE+ 18V 10 in. Cordless Battery String Trimmer and Edger with 1.5 Ah Battery and Charger with 12,186 reviews, and the RYOBI 40V Expand-It Cordless Battery Attachment Capable String Trimmer with 4.0 Ah Battery and Charger with 11,073 reviews.The RYOBI 40V HP Brushless 16" Carbon Fiber Shaft String Trimmer Kit delivers more power than a 27cc gas trimmer, making it a true gas replacement. 40V HP technology combines a powerful brushless motor, advanced electronics, and high performance lithium technology to provide more power, runtime, and durability with over 45 mins. of runtime ...Turn the weed eater upside down to drain fuel from the tank. Recycle the fuel mixture; do not spill it onto the lawn or ground. It can contaminate the nearby water as the oil seeps into the ground. Step 3: Prepare the right mixture of fuel and oil. First, pour the mixture into the gas container.Husqvarna 324l 25cc 4 stroke gas weed whacker. Powerful and efficient, low maintenance, 4-stroke petrol engine (No need to mix 2-stroke oil). Smart Start technology gives 40% less resistance when engaging the pull start. Holds with a translucent fuel tank for monitoring the fuel level while working.For many uses, mixing 1 1/3 ounces of Crossbow concentrate into 1 gallon of water, which makes a 1 percent solution, is enough to be effective. Stubborn weeds or brush may require ...Jun 12, 2014 ... With the RYOBI 4 Cycle string trimmer, you no longer have to worry about mixing gas and oil. This innovative unit is attachment capable ...

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Introducing the RYOBI 2 Cycle Gas Curved Shaft String Trimmer with a full crank engine for 2X longer life. This string trimmer accepts RYOBI Expand-It Universal Brand Fit attachments adding versatility to your trimmer. Simply attach a cultivator, blower, or even a hedge trimmer to the power head and quickly move from project to project.$ 162 24. Pay $137.24 after $25 OFF your total qualifying purchase upon opening a new card. Apply for a Home Depot Consumer Card. No Mixing of Gas and Oil. Curved Shaft …RY251PH. Introducing the Ryobi 2-Cycle Gas Power Head with a full crank engine for 2X longer life and a Zip Start carburetor for easier starting. This power head accepts Ryobi Expand-It Universal Brand Fit attachments adding versatility to your unit. Simply attach an edger, a blower, or even a hedge trimmer to the power head and quickly move ...View and Download Ryobi 700r operator's manual online. 2-Cycle Gas Trimmer. 700r trimmer pdf manual download. Sign In Upload. Download Table of Contents Contents. ... Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate gasoline mixed with one 4 oz. (120 ml.) bottle of RYOBI 2 CYCLE OIL makes a 32:1 fuel ...Bolt the carburettor back onto the engine, remembering to use the gasket and reinstate any air filter etc. Now start the engine and warm it up, adjust the idle screw so the engine ticks over at slightly higher revs and doesnt stall. Then while the engine idles, slowly adjust the low speed jet clockwise and/or anticlockwise until the engine runs ...

View and Download Ryobi BC30 RY30260 operator's manual online. 30cc String Trimmers and Brushcutters. BC30 RY30260 trimmer pdf manual download. Also for: Cs30 ry30220, Ss30 ry30240, Cs30, Ry30220, Ss30, Ry30240, Bc30, Ry30260. 2-stroke engine oil with the correct oil-to-gas ratio (e.g., 50:1). Steps: Choose a Clean Container: Use a clean and dedicated fuel container, preferably one with volume markings for accurate measurements. Add Gasoline: Pour the required amount of gasoline into the container. Add Oil: Carefully measure the appropriate amount of 2-stroke engine ...May 1, 2018 ... Product Review: Ryobi ... Gas Trimmer, and the New 40V Battery String Trimmer. ... Oil/Gas Mixture RequiredWhile the loudness of the 2 cycle gas ...View and Download Ryobi 700r operator's manual online. 2-Cycle Gas Trimmer. 700r trimmer pdf manual download. Sign In Upload. Download Table of Contents Contents. ... Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate gasoline mixed with one 4 oz. (120 ml.) bottle of RYOBI 2 CYCLE OIL makes a 32:1 fuel ...Oct 4, 2018 ... Ah, what could be better than getting out your line trimmer to cut the edges of your lawn, ready for summer! But what do you do when the ... OPERATION OXYGENATED FUELS OPERATING THE TRIMMER See Figure 10. NOTICE: Do not use E15 or E85 fuel (or fuel containing greater WARNING: than 10% ethanol) in this product. It is a violation of Engine housing can become hot during trimmer opera- federal law and will damage the unit and void your tion. Page 14: Operation I have changed the carburator, changed the fuel line, Had new gas/oil mixture: 40:1. Still not start. Changed spark plub, gap .025. Put a little gas down the ...RYOBI. ONE+ 18V 10 in. Cordless Battery String Trimmer and Edger with 1.5 Ah Battery and ChargerJul 1, 2011 ... Part 3 of 6: Trimmer Fuel & Lubrication. Learn how to assemble, fuel, start, re-spool and maintain your Husqvarna string trimmer. The X Series ECHO SRM-2620 weed trimmer redefines the performance standards for professional landscapers. It offers a revolutionary combination of low weight, professional features and high horsepower. The Speed-Feed 400 trimmer head, class-leading air filtration and easy starting ensure this weed wacker is ready to work when you are.

Best of all, it is part of the RYOBI ONE+ system where any 18V ONE+ battery works with any 18V ONE+ product. This 18V ONE+ 10" String Trimmer/Edger Kit is backed by the RYOBI 3-Year Manufacturer's Warranty and includes P2003 18V ONE+ 10" String Trimmer/Edger, P189 18V 1.5Ah Lithium Battery, P118B 18V Charger, Grass Deflector, and Operator's ...

This is an unpaid product review of the Ryobi 25cc 18" gas trimmer. My wife and daughter replaced my DEAD electric trimmer, with an awesome gift for Father's...View and Download Ryobi CS26 RY28020 operator's manual online. 26CC STRING TRIMMERS. CS26 RY28020 trimmer pdf manual download. Also for: Ss26 ry28040, Ry28020, Ry28040, S26 ry28040, Ry28120, Ry28140, Cs26, Ss26.Explanation of easy method for replacing the trimmer string on your Ryobi, or several other models of trimmers. Don't take the spool off! See below for cheap...The X Series ECHO SRM-2620 weed trimmer redefines the performance standards for professional landscapers. It offers a revolutionary combination of low weight, professional features and high horsepower. The Speed-Feed 400 trimmer head, class-leading air filtration and easy starting ensure this weed wacker is ready to work when you are.Introducing the RYOBI 2 Cycle Gas Straight Shaft String Trimmer with a full crank engine for 2X longer life. This string trimmer accepts RYOBI Expand-It Universal Brand Fit …25 cc 2-Stroke Attachment Capable Full Crank Straight Gas Shaft String Trimmer. Shop this Collection. Add to Cart. Compare. Exclusive $ 149. 00 (3449) Model# RY252CS. ... weed wacker. weed eater. ryobi weed eater.in this video I will show you how to change the fuel line on a Ryobi 790r 31cc weed wacker and it's extremely simple unplug the old lines and plug in the new...Get free shipping on qualified 2 Cycle, RYOBI Gas String Trimmers products or Buy Online Pick Up in Store today in the Outdoors Department.

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25 cc 2-Stroke Attachment Capable Full Crank Straight Gas Shaft String Trimmer. Shop this Collection. Add to Cart. Compare. Best Seller $ 99. 00 (4616) Model# RYEDG12. ... ryobi weed eater. ryobi trimmer. weed eater. weed wacker. hand held trimmers & edgers. steel trimmers & edgers. Explore More on homedepot.com. Appliances. Shop Standard No ...If it helped you please hit the THANKS button! Link to the trimmer on Amazon. https://amzn.to/2L5rOimTrimmer Line https://amzn.to/2JhdOoAThoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate gasoline mixed with one 4 oz. (120 ml.) bottle of RYOBI 2 CYCLE OIL makes a 32:1 fuel/oil ratio. RYOBI 2 CYCLE OIL 1 US. GALLON 4.0 FL. Page 12: Starting/Stopping Instructions STARTING/STOPPING INSTRUCTIONS STARTING INSTRUCTIONS WARNING: Avoid accidental ...View and Download Ryobi RY28120, RY28140 operator's manual online. 26CC STRING TRIMMERS. RY28120, RY28140 trimmer pdf manual download. Also for: Cs26 ry28120, Ss26 ry28140, Cs26, Ss26.Summary of Contents for Ryobi CS30 RY30020B, SS30 RY30040B, BC30 RY30060B. Page 1 Your new trimmer has been engineered and manufactured to Ryobi’s high standard for dependability, ease of operation, and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance. WARNING: To reduce the risk of injury, the ...What is the Fuel Mixture for a Ryobi Weed Eater? The fuel/oil ratio is 32:1, which works out to 4 oz. of oil per gallon of gas. After knowing the correct fuel-to-oil ratio, it is simple to calculate the amount of gasoline and the amount of oil you will need.Honda 647620 35.8cc Gas 17 in. Straight Shaft String Trimmer/Edger · James N. Stephens. 5.0 out of 5 stars. At last a good trimmer that doesn't require oil/gas ...For many uses, mixing 1 1/3 ounces of Crossbow concentrate into 1 gallon of water, which makes a 1 percent solution, is enough to be effective. Stubborn weeds or brush may require ...This RYOBI 18V Combo Kit is a great combination of power and convenience. The RYOBI 18V ONE+ 13 in. string trimmer has an 11-13 in. cutting width and features a pivoting head so you can quickly convert your string trimming into an edger! The auto-feed head will advance the line each time you release the trigger for your convenience. ….

Jul 1, 2011 ... Part 3 of 6: Trimmer Fuel & Lubrication. Learn how to assemble, fuel, start, re-spool and maintain your Husqvarna string trimmer.[This review was collected as part of a promotion.] I recently used the Ryobi 30cc 4 cycle weed trimmer and I have to say, I am thoroughly impressed! The machine is powerful and efficient, making quick work of even the thickest and toughest weeds. The 4 cycle engine ensures that there is no need to mix gas and oil, and it starts up easily every ...Feb 15, 2024 · Start by turning off the weed eater and disconnecting the spark plug. Then, remove the air filter cover and the filter itself. Next, locate the carburetor and remove the screws or bolts holding it in place. Once the carburetor is removed, use a carburetor cleaner spray to remove any dirt or debris. The Ryobi 705r and 725r trimmers, the two models with 31cc engines, require a 32-to-1 gas-to-oil mixture, which is more oil-rich than that for most newer 2-cycle engines. You might not notice any problems while running the trimmer through the first two tankfuls of the 40- or 50-to-1 oil mixture most modern engines require.Get free shipping on qualified 2 Cycle, RYOBI Gas String Trimmers products or Buy Online Pick Up in Store today in the Outdoors Department.Apr 9, 2024 · 4. Divide 128 by 50 for a perfect 50:1 mixture. If you need 1 part of oil for every 50 parts of gas, then divide the total amount of gasoline by 50.The result is 2.6, meaning that you need 2.6 fl. oz. of oil for a gallon of gas. [4] This also works with other mixtures, like 40:1. The RYOBI 40V Brushless Attachment Capable String Trimmer delivers GAS-LIKE POWER™ without the hassle of mixing oil and gas. Compatible with all RYOBI EXPAND-IT™ attachments you save time, money and space. This new trimmer delivers increased torque and line speed for powerful cutting. It also comes equipped with a variable speed trigger and ...Jun 30, 2011 ... -32:1 for Lawnboy -40:1 for Poulan/Weed Eater, Craftsman/MTD/Troy-Bilt -50:1 for Echo, Homelite/Ryobi, Husqvarna, Shindaiwa, Stihl.The weed wacker works well at curting and edgeing. The gas tank is small so I had to refill the tank before I completed an average sized yard. It can take multiple attachments which is great for getting different kinds of yard work done fast. If it was the 4 cycle model I would have given it 5 stars for price, features and functionality. Ryobi weed wacker gas mix, The fuel used to power a weed trimmer with a 2-stroke engine is usually pre-mixed fuel. The fuel mix should be in the correct ratios so that it can burn correctly. Fuel combines with the engine oil to keep the crankcase …, Prepare a batch of fuel for the GT 200R by first pouring a half-gallon of fresh gasoline into a clean 1-gallon container. Add 2.6 fluid ounces of two-cycle engine oil, close the container and shake until the gasoline and oil are well mixed. Add another half gallon of gasoline to the container, close it, and shake it again to remix the gas and oil., If you take a look at manufacturers such as Echo, Stihl, and Husqvarna, you’ll see that all their modern 2-cycle engines use the same mix ratio. This means you can use the same mix between your weed eater, edgers, chainsaws, hedge trimmer, etc. So, a 50:1 weed eater gas oil mixture is the typical mix you’ll want to use., Introducing the RYOBI 2 Cycle Gas Curved Shaft String Trimmer with a full crank engine for 2X longer life. This string trimmer accepts RYOBI Expand-It Universal Brand Fit attachments adding versatility to your trimmer. Simply attach a cultivator, blower, or even a hedge trimmer to the power head and quickly move from project to project., RY253SSVNM. Introducing the RYOBI 2 Cycle Gas Straight Shaft String Trimmer with a full crank engine for 2X longer life. This string trimmer accepts RYOBI Expand-It Universal Brand Fit attachments adding versatility to your trimmer. Simply attach an Edger, a blower, or even a tiller to the power head and quickly move from project to project., If you take a look at manufacturers such as Echo, Stihl, and Husqvarna, you’ll see that all their modern 2-cycle engines use the same mix ratio. This means you can use the same mix between your weed eater, edgers, chainsaws, hedge trimmer, etc. So, a 50:1 weed eater gas oil mixture is the typical mix you’ll want to use., So I bought a new weed eater yesterday. The guy at the hardware store strongly suggested using ethanol free pre-mixed fuel/oil mixture., Poulan Pro: They too have a branded fuel mix that is rated at 40:1 and ideal for all their gas powered tools, including chainsaws. So Poulan Pro saws require a richer oil mix, at a ratio of 40:1. chevron-circle-right. Ryobi: According to the official user manual of their chainsaws, Ryobi recommends a 2 stroke oil ratio 50 to 1., The most common causes for a weed eater to smoke is the wrong mixture of oil and gas, a dirty muffler, a dirty carburetor, leaking gas or oil, or poor combustion. Without repair, you could end up damaging your weed eater. It is important to understand what can cause a weed eater to smoke and how to fix it., For those using a two-stroke trimmer, a mix of gas and two-stroke engine oil is the key. Just pour in approximately 2.6 ounces of oil for every gallon of fuel and shake the gas can to guarantee thorough mixing before filling up the engine. Four-stroke trimmers have separate fill ports. Because of that, they require adding oil and gas separately., Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate gasoline mixed with one 4 oz. (120 ml.) bottle of RYOBI 2 Cycle OIL makes a 32:1 fuel/oil ratio. RYOBI 2 CYCLE OIL 1 US. GALLON 4.0 FL. Page 16: Starting/Stopping Instructions STARTING/STOPPING INSTRUCTIONS STARTING INSTRUCTIONS WARNING: Avoid accidental ... , 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., Apr 1, 2017 ... 2 cycle engine takes a 40:1 gas mixture. Good Day. 0., Apr 10, 2014 · The BC26 is powered by a two-cycle engine, so it runs on a mixture of gasoline and oil; the proper mix ratio is 2.6 ounces of two-cycle lubricant per gallon of gasoline. After filling the fuel tank, lay the trimmer on a flat, stable surface and press the primer bulb seven times. , You can obtain this amount by mixing 3.2 ounces of oil into one gallon of regular gas; as time passes, the oil will separate from the gas. But to ensure a proper mix, shake the oil and gas thoroughly. The right gas type for a weed eater is 87 octanes unleaded gasoline and fuel with a maximum alcohol percentage of 10%., Turn the weed eater upside down to drain fuel from the tank. Recycle the fuel mixture; do not spill it onto the lawn or ground. It can contaminate the nearby water as the oil seeps into the ground. Step 3: Prepare the right mixture of fuel and oil. First, pour the mixture into the gas container., 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. , You can obtain this amount by mixing 3.2 ounces of oil into one gallon of regular gas; as time passes, the oil will separate from the gas. But to ensure a proper mix, shake the oil and gas thoroughly. The right gas type for a weed eater is 87 octanes unleaded gasoline and fuel with a maximum alcohol percentage of 10%., You can obtain this amount by mixing 3.2 ounces of oil into one gallon of regular gas; as time passes, the oil will separate from the gas. But to ensure a proper mix, shake the oil and gas thoroughly. The right gas type for a weed eater is 87 octanes unleaded gasoline and fuel with a maximum alcohol percentage of 10%., Milwaukee M18 2828-21. This is another in a long line of quality tools from Milwaukee. The M18 cordless string trimmer is powerful, well-balanced, and easy to use. It cut through just about everything we put in front of it in one or two passes, and still had plenty of battery life left after 20 minutes of use., Ryobi String Trimmer Primer Bulb. Genuine OEM Part # 0057030 | RC Item # 2683153. 220 Reviews. Skill Level. We sell the real thing! Watch Video. $2.08. Primer bulb. The primer bulb draws fuel into the carburetor to make the engine easier to start., About This Product. This RYOBI 2-Cycle Gas Straight Shaft String Trimmer features a full crank engine that creates 2X longer life. Accepting RYOBI Expand-It Universal brand fit attachments, this string trimmer offers versatile operating function, allowing you to save time, space and money., This fuel line kit is also designed to reduce evaporative emissions. The entire kit includes, 1x 7 inch clear fuel line 13/64 inch OD x 3/32 inch ID, 1x 10.5 inch clear fuel line 13/64 inch OD x 3/32 ID, 1x Fuel Filter, 2x Primer Bulbs, 1x installation removal tool, manual. Use this Ryobi Fuel System Tune Up Kit to help keep your trimmers and ..., 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..., Recently I got my first ever 2 cycle (gas/oil mix). Its a Ryobi 700r weed wacker, used. Since you are new to 2 cycle you need to know that if you change the ratio you'll also need to adjust the carburetor. If you go from 32:1 to 40:1 or 50:1 it will be running rich, if you go the opposite from 40:1 to 32:1 it would be lean without carburetor ..., Milwaukee M18 2828-21. This is another in a long line of quality tools from Milwaukee. The M18 cordless string trimmer is powerful, well-balanced, and easy to use. It cut through just about everything we put in front of it in one or two passes, and still had plenty of battery life left after 20 minutes of use., What size trimmer line should I use for my Ryobi weed trimmer? The size of the trimmer line you should use for your Ryobi weed trimmer depends on the specific model you have. It is recommended to consult the user manual or the manufacturer’s website for the correct size. Generally, most Ryobi weed trimmers use .080 or .095 diameter trimmer line., A Weed Eater two-cycle engine requires a mixture of gas and oil in the ratio of 40:1. To obtain this ratio, one gallon of gasoline should be mixed with 3.2 ounces of engine oil., Dec 31, 2012 ... Dear Tom and Ray: Winter is coming, and I have two gallons of oil/gas mixture (40-to-1) for my weed whacker that I don't want to save for ..., 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., For those using a two-stroke trimmer, a mix of gas and two-stroke engine oil is the key. Just pour in approximately 2.6 ounces of oil for every gallon of fuel and shake the gas can to guarantee thorough mixing before filling up the engine. Four-stroke trimmers have separate fill ports. Because of that, they require adding oil and gas separately., The RYOBI EXPAND-IT 18" String Trimmer Attachment is compatible with most gas & cordless attachment capable systems. It’s backed by the RYOBI 3-Year Manufacturer's Warranty and includes RYSST44 Straight Shaft String Trimmer Attachment, Straight Shaft Grass Deflector, Hanger Cap, SPEED WINDER, and Operator's Manual. See More. $79.00. Add To Cart., Nov 29, 2016 · Here's a quick guide on how to mix your fue... If you love your petrol powered tools, then knowing the difference between 2 stroke and 4 stroke fuel is crucial. Here's a quick guide on how to mix ...