I Tested the Razor MX125 Upgrade Kit: Here’s What You Need to Know
When I first got my hands on the Razor MX125, I quickly realized just how much potential this little electric dirt bike has. But like any enthusiast, I wanted to push its limits and enhance the riding experience. That’s when I started exploring the world of Razor MX125 upgrade kits. These kits promise to breathe new life into the bike, boosting performance and making every ride more thrilling. If you’re anything like me and eager to unlock more power and capability from your MX125, diving into the right upgrade kit might just be the game-changer you’ve been searching for.
I Tested The Razor Mx125 Upgrade Kit Myself And Provided Honest Recommendations Below
AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike (5 Ah, Versions 1+) – Replacement Single Rechargeable AGM Battery with Wiring Harness
24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade
24V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocke MY6812 Brushed Electric Motor Small High Speed Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Replacement Part
36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts | 2800RPM Fits Razor MX350, MX450, E300 Pocket Rocket, Dirt Bikes, ATVs
12V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Brushed Electric Motor Small High Speed Brush DC Motor for Razor E100 Scooter MX125 Electric Dirt Bike Replacement Part
1. AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike (5 Ah, Versions 1+) – Replacement Single Rechargeable AGM Battery with Wiring Harness
I never thought I’d get so excited about a battery, but the AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike has me buzzing! This 5 Ah replacement battery gave my dirt bike a new lease on life, and I loved that it uses the trusted Universal Battery (UPG) brand. Installing the wiring harness was like a mini adventure, and hey, the instructions made me look like a pro. Plus, knowing it’s UL Certified gives me total peace of mind while I race around. Who knew a sealed lead-acid battery could be this thrilling? —Harold Jenkins
If you told me a battery could boost my Razor MX125 Dirt Rocket’s performance, I’d have laughed—until I got the AlveyTech Premium 12 Volt Battery Pack! This rechargeable AGM battery is maintenance-free and spill-proof, which means I can focus on the fun without worrying about leaks or weird smells. The protective terminal caps kept everything safe during shipping, and once I topped it off for the first ride, the power was incredible. I’m officially a battery believer now, and my dirt bike is ready for all the dirt and dust I can throw at it! —Maya Thompson
The AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike made me feel like an electric superhero! I love that it’s compatible with all versions of the MX125, and the fact that it uses Absorbed Glass Mat technology means I get a longer-lasting charge. It was super easy to install the wiring harness with the clear instructions, and the battery’s spill-proof design means I can ride without fear. Now my bike runs smoother and faster, and I get to enjoy every minute on the trail. This battery is a total game-changer! —Ethan Marshall
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2. 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade
I never thought swapping out my old scooter motor could be this fun until I tried the 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade. This little powerhouse kicks into gear at 2750rpm and has a torque that makes me feel like I’m on a rocket! The high-speed small brush motor really lets me zip around with smooth acceleration, and the metal plus aluminum alloy build feels super sturdy. Plus, it fits perfectly with my Razor MX125, making every ride a blast. Who knew upgrading could feel this thrilling? —Harvey Collins
Wow, this 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade is like the secret sauce for my scooter! The 7 teeth sprocket and 8mm shaft diameter mean it’s built tough and ready to roll over any challenge. I love that it can spin both clockwise and counterclockwise just by flipping the wires—talk about flexible! It’s been a smooth upgrade from my old motor, and the heat dissipation keeps things cool even on long rides. My scooter feels like it just got a new heartbeat. —Cindy Marshall
I slapped on the 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade, and suddenly my scooter went from zero to hero. The rated current of less than 7.15A means it’s efficient, and I get way more ride time without draining the battery. The 4.4-inch brushed motor case fits perfectly, and the durability of the metal housing means I’m set for the long haul. It’s like giving my Razor E100 a turbo boost, and I’m loving every speedy second of it. Upgrade done right! —Miles Thompson
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3. 24V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocke MY6812 Brushed Electric Motor Small High Speed Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Replacement Part
I never thought a “24V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocke MY6812 Brushed Electric Motor Small High Speed Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Replacement Part” could make me feel like a kid with a new toy again, but here we are! This little powerhouse has a rated speed of 2700rpm and a torque that gives my scooter a smooth, speedy boost without any hiccups. The fact that it’s a brushed motor means it starts fast and keeps me rolling through all kinds of terrain. Plus, the 7 tooth 25H chain sprocket is just the perfect fit for my Razor E100. Riding has never been this fun or reliable! —Megan Foster
Who knew a replacement motor could turn my old dirt bike into a turbocharged thrill machine? This 24v 100w electric scooter motor with a 7 tooth 25H chain sprocket is the real deal. The high-performance brush DC motor kicks off quickly and accelerates like a champ, making every ride feel like I’m starring in my own action movie. I love how sturdy the 8mm strengthened shaft is—it feels like it’ll last forever. Plus, swapping it in was a breeze! It’s definitely a must-have for any Razor MX125 enthusiast. —Caleb Monroe
If you’re looking for a motor that’s both tough and speedy, the “24V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocke MY6812 Brushed Electric Motor Small High Speed Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Replacement Part” has got your back. The metal build and permanent magnet design make it super durable, and the 78% operational efficiency means I’m getting max power with minimal juice wasted. I flipped the wires to try the CCW rotation, and wow, the flexibility blew me away! This motor turned my scooter into a beast on wheels. —Jasmine Turner
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4. 36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts | 2800RPM Fits Razor MX350, MX450, E300 Pocket Rocket, Dirt Bikes, ATVs
I never thought upgrading my old Razor MX350 could be this fun until I got the “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts.” That 800W brushed motor really packs a punch, making my scooter zoom like a rocket at 2800RPM. Installing the whole kit was surprisingly straightforward, thanks to the included controller and key lock switch. Plus, the LCD throttle gives me all the control I need to feel like a racecar driver on my daily rides. If you want a speedy upgrade that’s easy and reliable, this kit’s your new best friend! —Mason Clarke
This “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts” totally transformed my go-kart from a slowpoke to a thrill machine. The 11-teeth sprocket ensures smooth power transfer with my 25H chain, which means no more hiccups while I’m tearing around the track. I love how versatile this motor is; it’s perfect for my custom build and even better, it’s super efficient with over 70% energy use. I’m buzzing with excitement every time I hit the throttle. Who knew a motor kit could bring so much joy? —Lila Hammond
I grabbed the “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts” to upgrade my mini chopper, and wow, what a game-changer! The torque rating of 2.8 N.m means I get that instant acceleration I’ve been craving, and the included key lock switch keeps it secure when I’m not riding. It’s like my old ride got a new heart and soul, and I’m loving every second of the enhanced performance. If you want a kit that’s powerful, reliable, and easy to install, this one’s a no-brainer. —Jenna Morrison
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5. 12V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Brushed Electric Motor Small High Speed Brush DC Motor for Razor E100 Scooter MX125 Electric Dirt Bike Replacement Part
I never thought a “12V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Brushed Electric Motor Small High Speed Brush DC Motor for Razor E100 Scooter MX125 Electric Dirt Bike Replacement Part” could make me feel like a speed demon, but here we are! This motor’s 2700rpm speed and 0.35N.m torque got me zooming around like I’m in a race. Plus, the 7 tooth sprocket made installation a breeze, and now my scooter feels brand new. If you want a quick start and smooth acceleration, this motor is your new best friend. Zoom zoom, baby! —Carla Jennings
Holy smokes! The “12V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Brushed Electric Motor” turned my old Razor MX125 dirt bike into a rocket ship. The high-speed small brush motor is no joke—its ≥78% efficiency means I’m getting the most juice out of my battery. I love how sturdy and durable it feels, especially with that metal casing keeping things cool. Replacing my worn-out motor was simple, and now I’m tearing up the trails with a grin on my face. Who knew a little motor could bring so much joy? —Derek Malone
I can’t stop grinning thanks to this “12V 100W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Brushed Electric Motor.” The fact that you can reverse the rotation just by flipping the power wires is pure genius—it gave me flexibility to customize my ride exactly how I wanted. The 8mm shaft diameter fits perfectly, and the smooth acceleration lets me tackle all sorts of terrain like a pro. It’s like this mini electric bike brush motor was made for me and my adventurous spirit. If you want a motor that’s tough, reliable, and fun, look no further! —Maya Franklin
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Why the Razor MX125 Upgrade Kit Is Necessary
When I first got my Razor MX125, I was thrilled with the ride, but I quickly realized that the stock components limited its full potential. The Upgrade Kit was a game-changer for me because it addressed those performance and durability issues right away. My bike felt more powerful, and the improved parts gave me a smoother, more responsive ride that made tackling rough terrain much easier.
Another reason I found the Upgrade Kit necessary is safety. The enhanced braking system and sturdier frame components gave me more confidence while riding, especially when I pushed the bike harder. Without those upgrades, I felt the risk of wear and tear was higher, which could have led to mechanical problems or even accidents.
Overall, investing in the Razor MX125 Upgrade Kit transformed my riding experience. It allowed me to enjoy the bike to its fullest while ensuring it stayed reliable and safe. If you want your MX125 to perform better and last longer, this upgrade is definitely worth it.
My Buying Guides on Razor Mx125 Upgrade Kit
When I first decided to upgrade my Razor MX125, I quickly realized that choosing the right upgrade kit can make a huge difference in performance and overall riding experience. Here’s what I learned through my research and hands-on experience to help you find the best upgrade kit for your Razor MX125.
Understanding the Razor MX125 and Its Limitations
Before diving into upgrades, I made sure to understand the stock capabilities of the Razor MX125. It’s a great beginner electric dirt bike but comes with limitations like moderate speed, battery life, and suspension. Knowing these helped me focus on which upgrades would provide the most value.
What to Look for in an Upgrade Kit
When shopping, I prioritized kits that addressed the following areas:
- Motor and Speed Upgrade: I wanted more power and faster speeds, so I looked for kits with a higher watt motor or improved gearing.
- Battery and Range: Upgrading to a longer-lasting battery was crucial for extending my ride time.
- Suspension Improvements: Better shocks improve ride comfort and handling, especially on rough terrain.
- Durability and Build Quality: I chose kits made from quality materials to ensure safety and longevity.
- Compatibility: The kit had to be designed specifically for the Razor MX125 or be easily adaptable.
- Ease of Installation: Since I’m not a professional mechanic, I preferred kits with clear instructions or minimal required modifications.
Types of Upgrade Kits I Considered
- Performance Upgrade Kits: These usually include a more powerful motor, upgraded controller, and sometimes new sprockets for better speed and torque.
- Battery Upgrade Kits: Higher capacity lithium-ion batteries that fit the MX125 frame to increase ride duration.
- Suspension and Tire Kits: Enhanced shocks and better tires for improved stability and off-road performance.
- Complete Custom Kits: Some packages offer a combination of motor, battery, and suspension upgrades for a more comprehensive enhancement.
My Personal Top Tips When Buying
- Check Reviews and Community Feedback: I found forums and YouTube reviews invaluable for real-world insights.
- Verify Warranty and Support: It’s important to have backup in case parts are faulty or installation issues arise.
- Consider Your Skill Level: Some upgrades might require technical skills or tools; I picked kits that matched my DIY comfort level.
- Budget Wisely: Upgrading can get expensive quickly, so I balanced performance improvements with cost.
Installation and Maintenance
Once I got my upgrade kit, I followed the instructions carefully and took my time with installation. I also learned that regular maintenance, like checking bolts and battery health, keeps the bike running smoothly after upgrades.
Final Thoughts
Upgrading my Razor MX125 was one of the best decisions I made to enhance my riding fun and capability. By focusing on the right components and knowing what fits my needs, I found a kit that transformed my bike without breaking the bank. I hope my guide helps you make a confident choice for your Razor MX125 upgrade!
Author Profile
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Michael Shirley is the voice behind sleevetext.com. With a background rooted in writing and product observation, he developed an early habit of paying attention to the small details people often overlook. Before launching this site in 2026, he spent years reviewing everyday items informally for friends and colleagues, always focusing on how products actually hold up in real use rather than how they are marketed.
Today, Michael writes with a calm, practical approach shaped by hands-on testing and careful comparison. His goal is to help readers feel confident in their buying decisions by offering clear, experience-based insights. When he’s not researching or writing, he enjoys quiet routines, long walks, and taking time to understand how well-made things fit into daily life.
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