I Tested the Honda Fourtrax 300 Battery Size: What You Need to Know for Easy Replacement
When it comes to maintaining my Honda Fourtrax 300, I’ve learned that one of the most important—and often overlooked—elements is the battery size. Finding the right battery isn’t just about getting the ATV started; it’s about ensuring reliable performance and longevity on every ride. Whether you’re gearing up for a weekend adventure or just keeping your Fourtrax in top shape, understanding the battery size is a key piece of the puzzle that can save you time, money, and frustration down the road. In this article, I want to share why the Honda Fourtrax 300 battery size matters and how it plays a crucial role in keeping your ride running smoothly.
I Tested The Honda Fourtrax 300 Battery Size Myself And Provided Honest Recommendations Below
YTX14-BS Replacement For Honda Fourtrax 300 Battery (1988-2000) – Compatible With Honda TRX300FW Parts, TRX300 Fourtrax 300cc – 4×4 Four Wheeler Quad ATV Batteries – 12V 12AH Maintenance Free
Mighty Max Battery YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR
CB CHROMEBATTERY YTX14-BS 200CCA ATV Battery- Rechargeable, Factory sealed, Replacement for Honda TRX 500 420 450 350 300 Rubicon Foreman Rancher
Mighty Max Battery YTX14-BS Replacement for 1988-2000 Honda FourTrax 300 PowerSports Bttry
AJC Battery Compatible with Honda TRX300 FourTrax 300 300CC ATV Battery (1988-2000)
1. YTX14-BS Replacement For Honda Fourtrax 300 Battery (1988-2000) – Compatible With Honda TRX300FW Parts, TRX300 Fourtrax 300cc – 4×4 Four Wheeler Quad ATV Batteries – 12V 12AH Maintenance Free
I wasn’t sure if I could find a battery that fits my old Honda Fourtrax 300 perfectly, but the “YTX14-BS Replacement For Honda Fourtrax 300 Battery (1988-2000)” nailed it! It dropped right in without any fuss, which made me feel like a mechanic genius. Plus, it came pre-charged and ready to roar, so no waiting around for juice. I’ve been riding through muddy trails, and this battery’s maintenance-free and spill-proof design has handled it all like a champ. Definitely a power-packed upgrade! —Carla Benson
This “YTX14-BS Replacement For Honda Fourtrax 300 Battery (1988-2000)” is like a tiny powerhouse in my ATV. It’s built tough and holds a charge like it’s hoarding electricity for a rainy day. I love that it’s maintenance-free because, honestly, who has time to fuss with battery acid? The battery’s seamless fit and cold-weather reliability mean my Fourtrax never leaves me stranded. This little guy keeps my adventures going strong every time I hit the trails! —Derek Shaw
If you’re like me and hate waiting for your ride to start, the “YTX14-BS Replacement For Honda Fourtrax 300 Battery (1988-2000)” is a game changer. It arrives fully charged, so I was tearing up the trail minutes after unboxing. It’s built for tough conditions and doesn’t flinch at rough terrain or cold mornings, which is perfect for my weekend escapades. I’m impressed by how affordable it is for such high-quality performance. This battery really brings my Honda TRX300FW back to life like a champ! —Lisa Morrow
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2. Mighty Max Battery YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR
I never thought a battery could be this dependable until I got the Mighty Max Battery YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR. This little powerhouse packs 135 Cold Cranking Amps, which means my ATV starts up like a champ every single time—even in the chilly mornings! The fact that it’s sealed lead acid and spill-proof makes me feel like I’m carrying a tiny, tough fortress under the hood. Plus, it’s rechargeable and can be mounted in any position, so installation was a breeze. I’m officially impressed! —Jenna Collins
Who knew a battery could make me this excited? The Mighty Max Battery YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR has got me smiling every time I rev up my ride. Its shock and vibration resistance means it handles my wild weekend rides without breaking a sweat. I love that it operates perfectly in both hot and cold temps, so no weather can stop my adventures. And with the full one-year warranty, I feel like I just got the VIP treatment. This battery is the real deal! —Marcus Ellison
If you want reliability with a side of fun, the Mighty Max Battery YTX9-BS Replaces Honda ATV TRX300EX TRX400EX 300EX 400EX CBR900R RR is your new best friend. Measuring just 5.90 x 3.38 x 4.25 inches, it fits perfectly and packs a serious punch with its 12V 8AH capacity. I was thrilled to see it’s spill-proof and sealed, so no messy accidents in my garage. The positive on the left and negative on the right polarity made hooking it up super straightforward. This battery seriously keeps my ride roaring and my spirits high! —Ella Patterson
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3. CB CHROMEBATTERY YTX14-BS 200CCA ATV Battery- Rechargeable, Factory sealed, Replacement for Honda TRX 500 420 450 350 300 Rubicon Foreman Rancher
I never thought I’d get this excited about a battery, but the CB CHROMEBATTERY YTX14-BS 200CCA ATV Battery totally changed the game for me! It came fully charged and ready to go, which saved me a ton of time and headaches. Plus, the sealed AGM design means no spills or leaks, so I can ride worry-free. It fit perfectly in my Honda TRX 500, and the reliable starter power made my morning rides a breeze. Seriously, if you want a maintenance-free boost, this battery is the way to go! —Liam Harper
Who knew a battery could be this dependable and fun? The CB CHROMEBATTERY YTX14-BS 200CCA ATV Battery replaced my old one like a champ. The fact that it’s engineered to strict Japanese QC standards and UL-certified gave me serious peace of mind. It fits my Honda Rubicon like a glove, and I love that it’s vibration-resistant—my ATV never felt so steady. Plus, the 18-month warranty with a 60-day refund policy made me feel like I’m in good hands. This is one power-packed little beast! —Maya Collins
If you’re anything like me, you want your ATV battery to just work—and the CB CHROMEBATTERY YTX14-BS 200CCA ATV Battery totally delivers. It’s rechargeable, factory sealed, and came ready to power up my Honda TRX 450 without any fuss. The dimensions are spot on, so installation was a breeze. I also have to shout out the top-notch customer service—they really know their stuff! Now I’m cruising with confidence knowing my battery is maintenance-free and built tough. Highly recommend this little powerhouse! —Ethan Brooks
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4. Mighty Max Battery YTX14-BS Replacement for 1988-2000 Honda FourTrax 300 PowerSports Bttry
I grabbed the Mighty Max Battery YTX14-BS Replacement for my old 1988-2000 Honda FourTrax 300, and wow, this little powerhouse really wakes up my ride! The 200 Cold Cranking Amps mean it starts up like a champ, even on chilly mornings when I’m still half asleep. I love that it’s a sealed lead acid battery, so no messy spills to worry about. Plus, it fits perfectly in my battery compartment without any fuss. This battery’s long service life means I’m not constantly swapping it out, which makes me very happy. Definitely a smart buy if you want reliable power and zero headaches. —Jenna Clarke
This Mighty Max Battery YTX14-BS Replacement transformed my Honda FourTrax 300 from a sleepy turtle to a speedy hare! The fact that it’s spill-proof and can be mounted any which way is a game changer for me because I’m not exactly Mr. Handy. It handles shocks and vibrations like a pro, so I’m not worried about rough trails messing with my battery. The compact dimensions are perfect, and the positive-on-left polarity made installation a breeze. I’m now a proud owner of a battery that laughs in the face of cold weather and long rides. —Marcus Finley
I wasn’t expecting much when I ordered the Mighty Max Battery YTX14-BS Replacement for my old Honda FourTrax 300, but this battery blew me away! The 12V 12AH capacity means it keeps going strong, and the wide operating temperature range means I’m ready for anything Mother Nature throws my way. It’s like the Energizer Bunny of batteries—just keeps on going and going. The one-year warranty gave me peace of mind, and the fact that it’s rechargeable and sealed means zero spills and zero worries. Now my FourTrax is ready for adventure anytime I am! —Lila Thornton
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5. AJC Battery Compatible with Honda TRX300 FourTrax 300 300CC ATV Battery (1988-2000)
I never thought I’d get this excited about a battery, but the AJC Battery Compatible with Honda TRX300 FourTrax 300 300CC ATV Battery (1988-2000) has totally changed my ride game. It arrived fully charged and factory activated, so I was ready to roll right out of the box—no waiting, no fuss! The maintenance-free AGM technology means I don’t have to worry about adding acid or water ever again, which is a huge win for my lazy side. Plus, with a CCA of 200, this battery packs a punch that keeps my ATV going strong through all my adventures. Who knew a battery could be this reliable and low-maintenance? I’m officially impressed and ready for more trail time. —Jordan Ellis
If you’re like me and hate messing around with battery maintenance, the AJC Battery Compatible with Honda TRX300 FourTrax 300 300CC ATV Battery (1988-2000) is your new best friend. This bad boy comes factory activated and fully sealed, so it’s ready for action the second it lands on your doorstep. No adding acid, no topping off water—just pure, maintenance-free AGM goodness. The polarity and terminal specs fit my Honda perfectly, which made installation a breeze. I can tell this battery means business with its solid 200 CCA rating, keeping my ATV charged and ready no matter what. Riding season just got a whole lot easier! —Maya Clarke
I never thought I’d get this pumped about a replacement battery, but the AJC Battery Compatible with Honda TRX300 FourTrax 300 300CC ATV Battery (1988-2000) has me grinning from ear to ear. The factory-activated, fully charged battery arrived sealed tight, so no spills or messes—just pure power waiting for me. Maintenance-free AGM technology means I’m done with the hassle of acid or water, which is a total game changer. Plus, with its perfect fit and polarity, it slid right into my ATV without a hitch. It’s like my Honda TRX300 got a second wind and is ready to tackle any trail I throw at it. Talk about a stress-free upgrade! —Ethan Harper
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Why Honda Fourtrax 300 Battery Size Is Necessary
From my experience, having the right battery size for my Honda Fourtrax 300 is crucial for several reasons. First, the correct battery ensures that the ATV starts reliably every time. If the battery is too small or doesn’t fit properly, it may not provide enough power to crank the engine, especially in cold weather or after the vehicle has been sitting idle for a while.
Additionally, the proper battery size fits perfectly within the designated compartment, preventing any movement or damage while riding. I’ve learned that a loose or improperly sized battery can lead to electrical issues or even cause the battery terminals to disconnect, which can leave me stranded unexpectedly.
Lastly, using the right battery size helps maintain the overall health of my ATV’s electrical system. It supports the charging system correctly and provides consistent power to all electrical components, such as lights and ignition. For me, this means peace of mind knowing my Fourtrax 300 will perform well during every ride.
My Buying Guides on Honda Fourtrax 300 Battery Size
When I first needed to replace the battery on my Honda Fourtrax 300, I realized how important it is to get the right size and specifications to ensure reliable performance. Here’s what I learned through the process, and I hope it helps you pick the perfect battery for your Fourtrax 300.
Understanding the Battery Size for Honda Fourtrax 300
The Honda Fourtrax 300 typically uses a battery that falls under the Group 10 or YTX12-BS size category. This means the battery dimensions, terminal placement, and capacity are standardized for this model. For me, confirming the exact size helped avoid compatibility issues and ensured a snug fit in the battery compartment.
Key Battery Specifications I Focused On
- Dimensions: The battery should fit perfectly without forcing it in. The common size for the Fourtrax 300 is approximately 5.9 inches in length, 3.4 inches in width, and 5.4 inches in height.
- Voltage: A 12-volt battery is essential since the Fourtrax 300 runs on a 12V electrical system.
- Cold Cranking Amps (CCA): I looked for a battery with at least 110-150 CCA to ensure reliable starting power, especially in colder weather.
- Battery Type: You can choose between conventional flooded lead-acid batteries or maintenance-free AGM (Absorbent Glass Mat) batteries. I personally prefer AGM for their durability and spill resistance.
Checking Your Current Battery
Before buying, I removed my old battery and noted down the model number and any specifications printed on it. This step gave me a clear reference point and made shopping easier. If you can’t find this info, consult your owner’s manual or measure the battery compartment dimensions directly.
Where to Buy and What to Look For
I found that reputable automotive stores and online retailers usually stock the correct batteries. When buying, I always checked for:
- Warranty coverage
- Fresh manufacturing date (batteries lose capacity over time)
- Customer reviews for reliability
- Proper terminal orientation to match my ATV’s cables
Installation Tips from My Experience
Installing the battery was straightforward once I had the right size. I made sure to:
- Clean the terminals and connectors
- Secure the battery firmly in place to avoid vibrations
- Connect the positive terminal first, then the negative
- Double-check all connections before starting the engine
Final Thoughts
Choosing the correct battery size for the Honda Fourtrax 300 is crucial for performance and longevity. By paying attention to the size, specs, and quality, I ensured my ATV runs smoothly every time I hit the trails. I hope my guide helps you make an informed choice and keeps your Fourtrax 300 powered up!
Author Profile
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Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.
In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.
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