Ryobi weed wacker gas mixture

Wrong Fuel. Weed eaters run on regular unleaded gas. The ethanol level must be no more than 10% and rated 87 octane. A two-stroke string trimmer requires a mixture of gas and oil, while 4-stroke engines store them separately. The most common mistake made is using the wrong ratio. Two-stroke weed eaters use a 40:1 or 50:1 fuel ratio.

308682055 Fuel Tank Assembly/Replacement Gas Tank with Lines & Filter Compatible With Toro, Homelite, for Ryobi String Trimmer RY251PH, RY252CS, RY253SS, RY254BC, RY252C Trimmer 4.9 out of 5 stars 62What type of string should I use to restring my Ryobi gas weed trimmer? Ryobi gas weed trimmers typically require a specific type of trimmer line, such as .080 or .095 diameter line. Be sure to check the user manual or consult with a Ryobi dealer to ensure you are using the correct size and type of trimmer line.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 g...Mar 26, 2021 ... Comments7 ; How to mix 2 Stroke fuel small engine petrol / oil tutorial demonstration 50:1 40:1 32:1 25:1 ratio. Jimmy The Mower · 98K views ; Will ...Ryobi 26cc String Trimmer Replacement Parts For Model RY28040 (SS26) We Sell Only Genuine Ryobi Parts ... Fuel Tank Assembly Obsolete - Not Available. $29.80 Part Number: 308675051. Discontinued Discontinued $29.80. Discontinued 16 Screw. $4.99 Part Number: 660970002. In Stock ...

Add two-cycle oil at the ratio recommended by the manufacturer to unleaded gasoline that has a minimum octane rating of 87, seal the container and mix thoroughly. Remix the fuel be...Hi all, I'm new to this board. Recently I got my first ever 2 cycle (gas/oil mix). Its a Ryobi 700r weed wacker, used. The owners manual calls for 32:1 Seeing how this is the only item I have that takes a mix, I was going to go with Trufuel. The lowest true fuel comes is 40:1 If I add one...Our top pick, the RY253SS straight shaft model from Ryobi, is affordable, versatile, easy to use for a gas weed eater, and powerful enough for just about any residential yard work. The machine’s 25 cc, 2-cycle engine features a full crankshaft, which essentially means the engine will last longer. Several users reported that the engine …RYOBI specializes in making pro-featured power tools and outdoor products truly affordable. RYOBI is the brand of choice for millions of homeowners and value-conscious professionals.Place your Ryobi string trimmer on a flat surface outdoors. Unscrew the fuel cap counterclockwise and remove it. Add mixed gasoline to fill the fuel tank. The correct gas-to-oil ratio for a 26cc trimmer is 1 gallon of unleaded gasoline to 2.6 oz. of 2-cycle oil. Replace the cap and tighten it clockwise.

25 cc 2-Stroke Attachment Capable Full Crank Straight Gas Shaft String Trimmer. Shop this Collection. Add to Cart. Compare. Exclusive $ 149. 00 (3429) Model# RY252CS. ... Compare. 0/0. Related Searches. ryobi trimmer. milwaukee weed eater. ryobi weed eater. echo weed eater. ryobi 18v one+ string trimmers. 4 cycle string trimmers. Download Our App.Dimensions. The 720R weighs 12.5 pounds without fuel but with its cutting head attached. That weight puts it in line with the heaviest of Ryobi's current gas-powered trimmer models, but it's considerably heavier than new models with similar specifications. The 720R's cutting diameter, at 15 inches, also lags behind that of Ryobi's newer trimmers.Step 1: Turn off your weed eater, drain all gas from it and remove the spark plug. Step 2: Remove the carburetor cover, air filter, and fuel lines and inspect them for signs of dirt buildup or damage. Step 3: Clean any dirt buildups with carburetor cleaner and replace any damaged components before reassembling.New Listing Ryobi 2 Stroke Gas String Trimmer Weed Wacker Weed Eater Power Head. $127.00. Free shipping. RYOBI 2 Cycle Gas straight Shaft String Trimmer (Preown) $49.00. or Best Offer. ... (188) 188 product ratings - RYOBI Gas String Trimmers 60"Hx10"Wx11"D Full crank engine Straight shaft. $221.27. Free shipping.The RYOBI Expand-It 17 1/2 in. Universal Hedge Trimmer Attachment plugs right into another base. Another great feature is the extension from my battery-powered base also attaches to my gas-powered RYOBI base. This allows me to interchange the Hedge Trimmer, brush cutter, weed wacker, chain saw, and all the other RYOBI Expand-It tools.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.

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View and Download Ryobi 700r operator's manual online. 2-Cycle Gas Trimmer. 700r trimmer pdf manual download. Sign In Upload. Download Table of ... (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. ... Check Fuel Mixture Old and/or improperly mixed fuel is usually the reason for the unit ... 2 Cycle Full Crank Attachment Capable Curved Shaft String Trimmer. RY252CSVNM. 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 ... The Power Care 2-Cycle Synthetic-Blend Oil is ideal for use with your 2 cycle gas units to protect the engine. The low-smoke formula provides low emissions. the 2.6 oz. bottle makes for easy combination with any gallon of gas. Use pure gasoline where you can to ensure easy starting with every use.Oct 28, 2018 ... 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 ...We can say the same for the Ryobi RY40240 40V 12″ String Trimmer. The Ryobi RY40250 40V Attachment Capable 15″ String Trimmer doesn't match the power of our picks. The DeWalt trimmers we ...

308682055 Fuel Tank Assembly/Replacement Gas Tank with Lines & Filter Compatible With Toro, Homelite, for Ryobi String Trimmer RY251PH, RY252CS, RY253SS, RY254BC, RY252C Trimmer $11.99 $ 11 . 99 Get it as soon as Saturday, May 4With the weed wacker's curved shaft, you can easily maneuver while completing your outdoor work. The GT-225 ... Features a lightweight & easy-to-maneuver gas weed trimmer design; View More Details; Store 0 in stock. Free & Easy Returns In Store or Online. Return this item within 30 days of purchase. 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. 1. When making 2 stroke petrol, use a green jerry can to mix your fuel. This is the colour for two-stroke fuel storage and will prevent expensive accidents. 2. Use our 2 stroke fuel calculator and type in the two stroke fuel ratio you need to make and the number of litres of petrol you have. 3.Step-by-Step Guide. To clean a ryobi weed wacker, remove any debris from the exterior and the air filter, detach the spark plug, remove the trimmer head and clean it, and finally lubricate the gear head. It's important to keep your ryobi weed wacker clean to ensure its optimal performance and durability. A properly-maintained weed wacker will ...When you buy Ryobi 725R weed eater parts from Repair Clinic, you’re investing in longevity and reliability for years to come. Find the right Ryobi 725R parts in seconds by filtering by part category, title or symptoms. If you’re still having trouble, please call our customer service number at 1-800-269-2609.The Ryobi Fuel System Tune-Up Kit comes with a fuel line, return line, fuel filter, primer bulb and installation tool and is suitable for Ryobi and Homelite products with 25cc, 26cc and 30cc engines. Includes 1 x primer bulb to suit Ryobi 25.4cc petrol powerheads and 1 x primer bulb to suit Ryobi 25cc, 26cc and 30cc petrol powerheads.The Ryobi Weed Eater features a number of great features, including an easy-to-use bump feed system, an ergonomic handle for comfortable use, and a lightweight design that makes it easy to carry around your yard. ... Ryobi 2 Stroke Gas String Trimmer Weed Wacker Weed Eater Power Head. MILLENIUM SHOPPING CONCEPT (1020) 95% positive; Seller's ...

Ryobi 2-cycle engine Use a gas and oil mix in a Ryobi 2-cycle string trimmer that contains a premium 2-cycle oil mixed with unleaded gasoline that has a minimum octane rating of 89 and a maximum ethanol content of 10%. Mix at a ratio of 50:1 which means 50 parts gas is to be mixed with 1 part oil for current Ryobi string trimmer models.

Ryobi BC30 Adjustments. Use a long screwdriver to reach the idle speed screw. Getty. The Ryobi BC30 is a 30cc trimmer with multiple head attachments for cutting grass and powering through light brush. As is true of any trimmer, the BC30 requires periodic service, however, the only adjustments that can be made by the user to improve performance ...RY29550. This Ryobi 18 in. 30 cc Gas Straight Shaft Trimmer features the TrimmerPowerful 2-cycle, low-emission engine with 12-volt electric touch start. The extended, straight shaft makes it easy to trim under obstacles and provides great reach. The overmolded throttle handle and ergonomic front handle provide added comfort for the user. See More.Gas and Oil Mixture to Use in a 2-Cycle RYOBI Chainsaw. RYOBI chainsaws with 2-cycle engines require a gas and oil mixture at a 50:1 ratio. This means 50 parts gasoline is mixed with 1 part 2-cycle engine oil. Using the wrong type of gas in your chainsaw can damage the engine. NEVER use straight gas in your 2-cycle RYOBI engine.May 11, 2017 ... mix gas and oil for power tools like chainsaws, weed eaters, and more. In this video I will show you how to mix your gasoline fuel ( or ...The size I use on this model trimmer is a 3/16" O.D - 3/32" I.D. Thank you both for quick responses. Just what I needed. Just an update on RYOBI 725R fuel lines. After buying 3/32" fuel line, it is too big for the fittings on this model. Needs 1/8" fuel lines. For both priming bulb and carb fittings.Model # RY28121 Store SKU # 1000497315. This Curve Shaft Gas Trimmer features a low emission, 2-cycle engine that is light on weight and big on power. Ryobi gas trimmers are attachment capable, so you can quickly convert this trimmer to 7 other tools with Expand-It attachments sold separately. Plus, the tool is backed by a best-in-class 3-year ...Replacing a weed whacker trimmer line is easy. Check out how to replace a Ryobi auto feed string line and get back to your landscaping. A weed eater wire r...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.

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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.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 ...(84) 84 product ratings - Ryobi RY252CS Curved Shaft Gas Weed Eater String Trimmer 2-Cycle Bump Line . $175.09. Free shipping. Only 2 left. SPONSORED. 2021 RYOBI 25CC SPLIT-BOOM CURVED SHAFT WEED TRIMMER - MODEL#RY252CSVNM. $35.00. or Best Offer. $29.56 shipping.489K views 13 years ago. Learn how to correctly mix and store 2 stroke fuel used in RYOBI power garden equipment. ...more.Simple fast way to reload line on the 4cycl Ryobi gas trimmer https://amzn.to/3bkhUGEhttps://amzn.to/2QH9tgOhttps://amzn.to/39hRzI2https://amzn.to/3drbFTxThe adjustable 11 in. to 13 in. cutting width allows you to optimize your trimmer for increased runtime or a wider cutting width. This kit includes a value-pack of 3 pre-wound RYOBI ONE+ 0.080 in. auto-feed trimmer line. This trimmer comes with a 4.0 Ah battery and charger. The battery is compatible with the RYOBI 18V ONE + system.operating and safety precautions for the. 4 STIHL FS 36 and FS 40 trimmers. Assembling the Trimmer. Mounting the Cutting Head. - STIHL "Autocut 11-2". - STIHL "Polycut 10-3". - STIHL "Polycut 5-3". Fuel Mix. 13 Pay special attention to the safety.The 18v electric trimmer doesn’t have an air filter like the gas version. But it does have air vents around the motor and battery contact plate (on some models) that can become blocked with debris. ... Ryobi Cordless Weed Wacker Battery Won’t Charge. By far, one of the most common problems with Ryobi products is with the batteries not ... ….

It is recommended to use a fuel mixture of unleaded gasoline and 2-cycle oil in a ratio of 50:1 for your Ryobi weed wacker. Using regular gasoline without the proper oil mixture can cause damage to the engine.A commercial-grade full-crank engine powers this Toro 18-inch 25.4cc Straight Shaft Gas String Trimmer and features anti-vibration operation to ensure an easy start and smooth professional performance. The trimmer's straight shaft offers enhanced maneuverability to accommodate trimming around yard obstacles, such as porches, decks and fences. Shaft attachments (sold separately) allow this ...In this video I'll be using starting fluid to help start a Ryobe Gas String Trimmer that has been hard to start.This guide will show you how to replace the fuel lines and filter on your Ryobi RY253SS String Trimmer. It requires no prior experience in small engine repair. The fuel filter, for this model string trimmer, needs to be replaced either after 25 hours of run time or each year. The filter ensures that debris does not enter the fuel system of the ...Some of the most reviewed products in RYOBI Edgers are the RYOBI ONE+ 18V 9 in. Cordless Battery Edger (Tool Only) with 5,306 reviews, and the RYOBI ONE+ 18V 9 in. Cordless Battery Edger with 2.0 Ah Battery and Charger with 4,991 reviews. What is the most common feature for RYOBI Edgers? The most common feature for RYOBI Edgers …RYOBI String Trimmers. Battery Platform: Ryobi 18v ONE+. Battery Platform: Ryobi 40v ... 25 cc 2-Stroke Attachment Capable Full Crank Curved Shaft Gas String Trimmer ...Squeeze excess oil out, reinstall the air filter, cover and tighten the screws clockwise. Open the gas cap on the top of the engine. Lean the trimmer over a disposable container and drain all the gasoline out. Mix 1 gallon of unleaded gas and a 4-ounce bottle of two-cycle oil in a gas can. Swirl the mixture to mix it thoroughly.The Ryobi 2-Cycle Gas Power Head features a full crank engine for a two times longer lifespan as well as a Zip Start carburetor for easier starting. This power head accepts Ryobi Expand-It Universal Brand Fit attachments, simply attach an edger, a blower, or even a hedge trimmer to the power head and quickly move from project to project. Backed by a 3-year warranty, trust the Ryobi 2-Cycle Gas ... Ryobi weed wacker gas mixture, RYOBI TRIMMER ENGINE CARBURETOR ADJUSTMENT, 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., Jul 8, 2013 ... http://www.toolsinaction.com checks out the RYOBI 4-Cycle 30 cc Straight Shaft Gas Trimmer -~-~~-~~~-~~-~- Watch our latest video: "Ridgid ..., However, 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 ..., May 2, 2012 ... Comments336 ; Correct Way To Mix Gas and Oil For a ChainSaw, WeedEater etc. Steve's Small Engine Saloon · 1.1M views ; The BEST Fuel For Your 2 ..., Weed Eater White Smoke And Black Smoke. 2 Cycle vs 4 Cycle Trimmer Smoking. Gas vs Electric Trimmer Smoking. Causes Of A Smoking Weed Eater. Dirty Muffler. Improper Fuel Mixture (Poor Combustion) Leaking Gas Or Oil. Dirty Carburetor. Summary., The following list includes some of the best gas string trimmer tools available. BEST OVERALL: Echo SRM-225i. RUNNER-UP: Husqvarna 330LK Gas String Trimmer. BEST BANG FOR THE BUCK: Ryobi 2-Cycle ..., The ratio of gasoline to oil is usually written on the fuel cap or on a sticker nearby. The one I have is 32:1. Will Expand-it attachments from a Toro string trimmer fit a Troy Built Trimmer?, 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., Foz do Iguaçu, a stunning destination known for its incredible Iguaçu Falls, captivates visitors with its natural beauty. The falls, part of Iguaçu National Park, are recognized as a UNESCO World Natural Heritage site and one of the New 7 Wonders of Nature. The park offers breathtaking views, including the magnificent Devil's Throat waterfall. Beyond […], The Black Max Powerhead's zip start carburetor provides quick and easy starting for your gas string trimmer. Compatible with HART Powerfit Attachments. This product has a Three-year Limited Warranty for personal, family, or household use (90 days for business or commercial use). Works best with Black Max 2-Cycle Engine Oil., Welcome to RYOBI's Service Center locator, we're happy to assist you. Like all tools and equipment, products sometimes are in need of repair or replacement. We offer several options to fix your RYOBI product. Not all Service Centers repair all RYOBI tools. We recommend it's best to contact them in advance to confirm that they're able to ..., Commercially prepared premix is best but if you are going to mix your own, follow these best practices to minimize risk to your weed eater’s engine: Use gasoline with a maximum of 10% ethanol (ethanol-free is better) Remember that low percentages of ethanol are not as damaging for the engine. In any case, remember to avoid leaving leftover ..., Use a mix ratio of 40-to-1 gasoline to oil. Close the container and shake it for one minute to allow the contents to mix thoroughly. Pour the fuel into the Bolens fuel tank. Put on all of your safety equipment and clothing. The Bolens BL100 lawn trimming weed eater operates with a two-cycle engine. This trimmer, like all power tools, requires a ..., Some of the most reviewed products in RYOBI Edgers are the RYOBI ONE+ 18V 9 in. Cordless Battery Edger (Tool Only) with 5,306 reviews, and the RYOBI ONE+ 18V 9 in. Cordless Battery Edger with 2.0 Ah Battery and Charger with 4,991 reviews. What is the most common feature for RYOBI Edgers? The most common feature for RYOBI Edgers …, Shop by AS SEEN ON TV - Cordless Lawnmower & FREE Trimmer Kit AS SEEN ON TV - Cordless Patio Cleaner Kit AS RECOMMENDED ON TV - Cordless Starter Kits What's New Power Tools Power Tool Sets Drilling and Screwdriving Drill Drivers Screwdrivers Combi Drill Impact Drivers Hammer Drills Impact Wrenches Drill Drivers Screwdrivers Combi Drill Impact ..., Aug 2, 2023 · 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. , 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. , 25 cc 2-Stroke Attachment Capable Full Crank Straight Gas Shaft String Trimmer. Shop this Collection. Add to Cart. Compare. Exclusive $ 149. 00 (3429) Model# RY252CS. ... Compare. 0/0. Related Searches. ryobi trimmer. milwaukee weed eater. ryobi weed eater. echo weed eater. ryobi 18v one+ string trimmers. 4 cycle string trimmers. Download Our App., Old fuel clogging the engine. Not enough fuel to power the weed eater. Wrong fuel mix ratio prevents the engine from starting. Solution. Open the tank and check how much fuel is in it. If the tank is almost empty, you need to add more fuel. But first give it a swish to make sure the fuel has not turned gummy., May 7, 2019 ... First time trying this weed trimmer out this Spring., Gas to oil ratio: Weed eater: 40:1: Ryobi: 50:1: Stihl: 50:1: Husqvarna: 50:1: ECHO: 50:1: How to properly store your weed eater and fuel. Since grass doesn't grow well during winter, most people store their weed eaters and lawn care equipment until its spring. You must store your equipment properly because if you leave leftover gas in the ..., Get the best deals for ryobi 4 cycle gas trimmer at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items! ... Fuel Mix-Bottle (3) Items (3) User Manual (2) Items (2) ... Ryobi 2 Stroke Gas String Trimmer Weed Wacker Weed Eater Power Head. Opens in a new window or tab. Open Box. $117.00. lupix05 ..., #gardeningtips #ryobi #oil G'day, in this video I'll show you how to mix two stroke oil with gasoline to power your weed eater, chainsaw or mower. Thanks for..., The RYOBI 4-Cycle Curved Shaft Trimmer is attachment capable and works with all nine of the Expand-It universal outdoor lawn and garden attachments. Keep your yard in shape with the RYOBI 4-Cycle Curved Shaft Trimmer; backed by a RYOBI 3 year warranty. See More. $162.34. Discontinued., 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., Gas Mixture for weed eaters and other 2 Cycle motors. 50:1 40:1 #Ryobi @MemphisMower @MrBeast. Lawn care, equipment Showing how to mix 2 Stroke Gas Mixture or 2 cycle fuel fast and..., 50:1. Be sure to use 2-stroke oil. Q: What is the gas oil mixture for a ryobi weed eater?, The Bolens® BL110 handheld gas string trimmer features a 25cc, 2-cycle engine with a spring assisted pull cord for easier starting. The balanced curved shaft makes cutting comfortable and provides a clear view of the area being trimmed. With a 16 inch cutting swath, wider sections of tall grass are cut in less time., A weed eater overheats because the cooling system is clogged, the air passage is dirty, or there’s an improper fuel mixture. Other common overheating causes include low-quality batteries, overworked motors, and incorrect power supplies. Proper storage and cleaning can prevent all of these problems., 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., View online or download Ryobi 725r Operator's Manual. ... Ryobi Manuals; Trimmer; 725r; Ryobi 725r Manuals. Manuals and User Guides for Ryobi 725r. We have 1 Ryobi 725r manual available for free PDF download: Operator's Manual ... Ryobi 725r Operator's Manual (26 pages) 2-Cycle Gas Trimmer. Brand: Ryobi | Category: Trimmer | Size: 1.5 MB, 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.