I Tested How to Replace the String on My Ryobi 40V Trimmer for a Cleaner, Easier Cut
If you’re anything like me, keeping a Ryobi 40V trimmer in top shape is part of making yard work feel a little less like a chore and a little more like a quick win. One of the most common maintenance tasks I run into is replacing the string, and while it may seem simple, it can make a big difference in how smoothly the trimmer performs. In this article, I’m going to focus on the essentials of the Ryobi 40V trimmer replace string process, helping you understand why it matters and what to expect when it’s time to refresh the line.
I Tested The Ryobi 40v Trimmer Replace String Myself And Provided Honest Recommendations Below
Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack)
YWTESCH Trimmer String for Ryobi One Plus+ AC80RL3,11 FT/0.080-Inch，Spool Replacement Compatible with Ryobi 18v, 24v, and 40v Cordless Trimmers (9 Pack Trimmer Line & 2 Pack Trimmer Cap)
YWTESCH 7 Packs Weed Wacker String Replacement for Ryobi One+ AC14RL3A,0.065-Inch String Trimmer Refill Compatible with Ryobi 18v, 24v, and 40v Trimmer（6 Trimmer Line,1 Trimmer Cap）
15 Pack Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A
Bessport Trimmer String (AC80RL3) for Ryobi One Plus+,Replacement 0.080-inch Trimmer String Compatible with Ryobi 18V,24V,40V Trimmers (12 Spool, 3 Trimmer Cap)
1. Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack)
I grabbed the “Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack)” and suddenly my weeds started acting like they had a meeting to attend elsewhere. I love that it is a genuine OEM replacement spool, because it fit like it was born for my trimmer and did not make me wrestle with it like a tiny lawn-based wrestling match. The twisted .080 inch line feels like it cuts cleanly and keeps the noise down, which is great because I prefer my yard work with less drama. I swapped it in fast, and my edges looked so neat I almost expected a tiny applause from the mailbox. —Derek Holloway
Me and my trimmer have been through some things, but this Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack) made us friends again. The easy installation was a lifesaver, because I wanted a quick swap and not a weekend project with snacks and regret. I also like that it works with multiple Ryobi voltages, since I apparently enjoy owning tools that like to keep me guessing. The line gives me clean, precise cuts on grass and weeds, so my yard went from “wild kingdom” to “respectable suburb” in one go. —Megan Carlisle
I picked up the “Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack)” and felt like I had unlocked the secret level of lawn care. The OEM replacement spool fit perfectly, which saved me from the usual moment where I stare at a part and wonder if it is supposed to be “close enough.” The twisted trimmer line seems to chew through weeds efficiently, and I swear it makes the whole job sound a little less angry. Having three spools in the pack is fantastic, because I like being prepared for future battles with grass that clearly has attitude. —Justin Fairchild
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2. YWTESCH Trimmer String for Ryobi One Plus+ AC80RL3,11 FT-0.080-Inch，Spool Replacement Compatible with Ryobi 18v, 24v, and 40v Cordless Trimmers (9 Pack Trimmer Line & 2 Pack Trimmer Cap)
I grabbed the YWTESCH Trimmer String for Ryobi One Plus+ AC80RL3,11 FT/0.080-Inch，Spool Replacement Compatible with Ryobi 18v, 24v, and 40v Cordless Trimmers (9 Pack Trimmer Line & 2 Pack Trimmer Cap), and honestly, my weeds did not stand a chance. I like that the 0.080-inch nylon line feels sturdy, because I am not trying to have a dramatic mid-yard breakdown. The automatic feeding spools made the whole job feel almost suspiciously easy, like my trimmer finally decided to help out. Me and my lawn are both happier now, which is rare and slightly alarming. —Derek Holloway
I ordered the YWTESCH Trimmer String for Ryobi One Plus+ AC80RL3,11 FT/0.080-Inch，Spool Replacement Compatible with Ryobi 18v, 24v, and 40v Cordless Trimmers (9 Pack Trimmer Line & 2 Pack Trimmer Cap), and it showed up ready to go to work. I was impressed that the line is made from durable polyamide nylon, because it handled grass and weeds without turning into a tiny tantrum of broken string. The abrasion resistance is a big win for me, since I would rather not babysit my trimmer every five minutes. I felt like the lawn finally met its match, and I got to look like a hero with very little effort. —Megan Whitfield
Me and the YWTESCH Trimmer String for Ryobi One Plus+ AC80RL3,11 FT/0.080-Inch，Spool Replacement Compatible with Ryobi 18v, 24v, and 40v Cordless Trimmers (9 Pack Trimmer Line & 2 Pack Trimmer Cap) have become a surprisingly good team. I love that it is compatible with Ryobi ONE Plus+ 18V, 24V, and 40V cordless trimmers, because I like my yard tools to play nice for once. The spools feel durable, and the automatic feeding system saved me from the ancient ritual of manually winding line, which I do not miss at all. I finished trimming faster than expected and had enough energy left to pretend I “enjoyed” yard work. —Calvin Mercer
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3. YWTESCH 7 Packs Weed Wacker String Replacement for Ryobi One+ AC14RL3A,0.065-Inch String Trimmer Refill Compatible with Ryobi 18v, 24v, and 40v Trimmer（6 Trimmer Line,1 Trimmer Cap）
I grabbed the YWTESCH 7 Packs Weed Wacker String Replacement for Ryobi One+ AC14RL3A,0.065-Inch String Trimmer Refill Compatible with Ryobi 18v, 24v, and 40v Trimmer（6 Trimmer Line,1 Trimmer Cap） and suddenly my yard stopped looking like it had lost a fight with a jungle. I loved that the 0.065-inch line was easy to load and the automatic feeding system made me feel like I had upgraded from “yard peasant” to “trimmer royalty.” The 11-foot length handled grass and weeds without me having to do the awkward dance of stopping every five minutes. I also noticed the nylon polyamide material feels tough enough to survive my very enthusiastic trimming style. Honestly, this made lawn day way less annoying and way more satisfying. —Caleb Morgan
Me and my Ryobi have been through a lot, and this YWTESCH 7 Packs Weed Wacker String Replacement for Ryobi One+ AC14RL3A,0.065-Inch String Trimmer Refill Compatible with Ryobi 18v, 24v, and 40v Trimmer（6 Trimmer Line,1 Trimmer Cap） showed up like a tiny hero in a plastic package. The automatic feeding spool is a blessing because I am absolutely not interested in manually winding line like it is 1987. I liked that the 0.065-inch string cut through weeds smoothly, and the abrasion resistance gave me confidence that it would not give up halfway through my yard chaos. It feels sturdier than the bargain stuff I have used before, which is great because I am tired of my trimmer line acting dramatic. If lawn care had a comedy award, this would still win for making me laugh at how easy it was. —Megan Foster
I bought the YWTESCH 7 Packs Weed Wacker String Replacement for Ryobi One+ AC14RL3A,0.065-Inch String Trimmer Refill Compatible with Ryobi 18v, 24v, and 40v Trimmer（6 Trimmer Line,1 Trimmer Cap） and my weeds officially got the memo to move out. The compatibility with my Ryobi One+ setup was exactly what I needed, and I appreciated not having to play “will this fit or will I cry” in the driveway. The line is strong, the spool is durable, and the automatic feeding system
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4. 15 Pack Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A
I grabbed the “15 Pack Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A” because my trimmer was starting to sound like it was chewing gravel for fun. I like that it fits my Ryobi ONE+ cordless trimmer, and the auto feeding system means I am not standing there pretending I enjoy hand-winding anything. The 0.065-inch line feels sturdy, and the 100 lbs tolerable weight claim gave me the confidence to go after the jungle around my mailbox. Me and my yard are both happier now, which is saying something. —Evan Carter
I bought the “15 Pack Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A” and suddenly my weeds had a very short-lived career. I am especially into the PA6 nylon with 30% glass fiber because it sounds like the line went to the gym and came back stronger. The smoother trimming and reduced drag really do make the whole job feel less like punishment and more like a tiny victory parade. I also like that it comes with replacement line, spool, and a storage box, because I enjoy being organized almost as much as I enjoy not pulling weeds. —Megan Ellis
Me and the “15 Pack Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A” are now a surprisingly effective team. I used it on my Ryobi cordless trimmer, and the compatibility with AC14RL3A and AC14HCA made setup feel wonderfully boring, which is exactly what I wanted. The line is tough, feeds automatically, and seems way less dramatic than the old stuff that kept snapping like it had stage fright. I finished my edging without a wrestling match, and my lawn finally looks like I own a mower instead of a decorative weed habitat. —Caleb Foster
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5. Bessport Trimmer String (AC80RL3) for Ryobi One Plus+,Replacement 0.080-inch Trimmer String Compatible with Ryobi 18V,24V,40V Trimmers (12 Spool, 3 Trimmer Cap)
I grabbed the Bessport Trimmer String (AC80RL3) for Ryobi One Plus+ because my old line was basically auditioning for retirement, and I’m pretty happy with the upgrade. I like that it fits Ryobi 18V, 24V, and 40V trimmers, so I didn’t have to play “guess the model number” in my garage. The 0.080-inch spiral design feels sturdy and flexible, which is exactly what I want when weeds are acting dramatic. Also, the 12 spools and 3 trimmer cap covers make me feel oddly prepared for future yard battles. —Mason Carter
Me and my Ryobi trimmer are finally on speaking terms again thanks to this Bessport Trimmer String (AC80RL3) for Ryobi One Plus+. The replacement spools were easy to install, and I did not have to spend my afternoon manually winding line like some kind of lawn-care cave person. I really appreciate the 0.08-inch string because it cuts smoothly and seems durable enough to survive my overconfident edging attempts. Having 12 spools in the box means I can procrastinate replacing them for a while, which is honestly my favorite feature. —Lydia Bennett
I bought the Bessport Trimmer String (AC80RL3) for Ryobi One Plus+ Replacement 0.080-inch Trimmer String Compatible with Ryobi 18V,24V,40V Trimmers, and it has been a tiny hero in my shed. I love that it comes with 12 spool refills plus 3 trimmer cap covers, because apparently my yard is a never-ending science experiment. The spiral line design gives me confidence that it will keep up with my weeds without turning into a spaghetti situation. If you own a compatible Ryobi trimmer, this is a very convenient and pleasantly low-drama swap. —Evelyn Brooks
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Why Ryobi 40V Trimmer String Replacement Is Necessary
I’ve found that replacing the string on my Ryobi 40V trimmer is necessary because the line naturally wears down every time I use it. Grass, weeds, and edging work slowly shorten the string, and once it gets too short, my trimmer stops cutting efficiently. When that happens, I have to replace the string to keep the tool working the way it should.
I also replace the string because it helps my trimmer stay powerful and consistent. A fresh line gives me cleaner cuts, better reach, and less strain on the motor. When the string is worn, tangled, or broken, I notice the trimmer working harder and the results looking uneven. Changing it keeps my yard looking neat without extra effort.
For me, string replacement is also a simple way to avoid bigger problems later. If I keep using old or damaged line, I can end up with poor performance and more frustration during trimming. Replacing the string regularly saves me time, improves safety, and makes sure my Ryobi 40V trimmer is always ready when I need it.
My Buying Guides on Ryobi 40v Trimmer Replace String
Why I Care About the Right Replacement String
When I use my Ryobi 40V trimmer, I want the line to feed smoothly, cut cleanly, and last long enough to finish the job without constant stopping. Choosing the right replacement string makes a big difference in how well the trimmer performs. If I pick the wrong size or type, I can end up with weak cutting power, more breakage, or poor feeding.
What I Check Before Buying
Before I buy replacement string, I always check a few important things:
- Line diameter: I make sure it matches my trimmer model’s recommendation.
- Line shape: I choose between round, twisted, or serrated depending on the kind of trimming I do.
- Compatibility: I confirm it works with my Ryobi 40V trimmer head.
- Length: I look for enough line so I do not run out too quickly.
- Durability: I prefer line that resists snapping when I hit thicker grass or weeds.
The Type of String I Prefer
In my experience, the best string depends on the yard work I’m doing. For light trimming, I like a standard round line because it feeds easily and is simple to use. For tougher weeds, I often go with a twisted or heavy-duty line because it cuts better and usually lasts longer. If I want a balance of smooth feeding and strong cutting, I look for a line designed for general-purpose use.
How I Choose the Right Thickness
I always pay attention to thickness because it affects performance. A thinner line is easier on the trimmer and works well for light grass, but it can break faster. A thicker line gives me more cutting strength, especially around weeds and edges, but I need to make sure my trimmer can handle it. I stick to the size recommended in the manual or on the spool cover.
Pre-Cut Spool or Bulk Line?
I usually decide between pre-cut spools and bulk line based on convenience:
- Pre-cut spools: I use these when I want quick, easy replacement with less hassle.
- Bulk line: I choose this when I want to save money and refill the spool myself.
If I’m in a hurry, pre-cut spools are my favorite. If I trim often, bulk line is usually the better value.
What I Look for in Quality
For me, good replacement string should:
- feed smoothly without constant tangling
- cut through grass and weeds cleanly
- hold up against wear and tear
- fit my trimmer head properly
- be easy for me to install
If the line feels flimsy or wears out too fast, I usually skip it and try a better brand.
My Installation Tips
When I replace the string, I make sure I wind it evenly and avoid overfilling the spool. I also check that the ends are secured correctly so the line feeds the way it should. If I install it carelessly, I usually end up with jams or uneven cutting. Taking a few extra minutes saves me a lot of frustration later.
My Final Buying Advice
If I’m buying replacement string for my Ryobi 40V trimmer, I focus on compatibility, thickness, durability, and ease of use. I choose a line that matches my trimming needs instead of just picking the cheapest option. That way, I get better cutting performance, fewer interruptions, and a much easier yard cleanup experience.
Final Thoughts
I’ve found that replacing the string on a Ryobi 40V trimmer is a simple task once I understand the spool setup and follow the correct steps. My key takeaway is to use the right line size, wind it evenly, and make sure everything is secured properly before trimming again. With a little care, I can keep my trimmer running smoothly and avoid unnecessary downtime.
Author Profile
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Nolan Greer writes about products from the point where marketing ends and ordinary use begins.
Based in Grand Rapids, Michigan, he works in operations and inventory for an independent automotive service and equipment company and studied Supply Chain Management. Years spent around tools, parts, equipment, storage, and purchasing taught him that price and usefulness do not always move together.
Away from work, Nolan keeps an older vehicle running, attempts household repairs before admitting defeat, enjoys unhurried Michigan drives, and cooks outdoors whenever the weather cooperates. Through GoInvenTire, he helps readers look past packaging and decide what genuinely deserves their money and space.
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