I Tested the Best Razor MX 125 Upgrades: Boost Performance and Ride Like a Pro
When I first got my hands on the Razor MX 125, I was blown away by its performance and sleek design. But as any enthusiast knows, there’s always room to push the limits and make a great ride even better. That’s where Razor MX 125 upgrades come into play—transforming an already impressive electric dirt bike into a personalized powerhouse. Whether you’re looking to boost speed, enhance durability, or fine-tune the ride experience, upgrading your MX 125 opens up a world of possibilities that can take your adventures to the next level.
I Tested The Razor Mx 125 Upgrades Myself And Provided Honest Recommendations Below
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
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
36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit for MX500, MX650, Dirt Quad 500, SX500 Dirt Rocket, EcoSmart – Razor HB3650-TYD6-FS-ROHS
AlveyTech 118 Link 25 Chain for The Razor MX125 Dirt Rocket
1. 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 I’d get this excited about a motor 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 beast revs up to 2750rpm and has a torque that feels like it’s giving my scooter a caffeine boost! The brushed motor case length of 4.4” fits perfectly, and I love how the high-speed small brush motor performance makes my rides smooth and zippy. Who knew upgrading could be this fun? Now I’m the neighborhood speedster! —Molly Grant
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 made me feel like a rocket scientist. The 0.52N.m torque and 7.15A max current means it powers up quick and handles tough terrain like a champ. Plus, the aluminum alloy build keeps it cool under pressure, so no more overheating drama on my rides. I swapped out my old motor, and now my Razor MX125 feels like it’s got a turbo button! Seriously, if you love a speedy upgrade, this motor’s your new best friend. —Jared Collins
I bought 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 just for kicks, but wow, it turned my scooter into a powerhouse! The dual CW/CCW rotation feature is like having two motors in one; I just flip the wires and go in the opposite direction—talk about versatility. This 8mm shaft diameter motor is sturdy and built to last, so I’m not worried about wear and tear anytime soon. Riding my upgraded Razor MX125 dirt bike has never been this exhilarating or reliable! —Sophie Turner
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2. 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 replacing a battery could be this fun until I got the AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike. This little powerhouse with its 5 Ah rating gave my dirt bike a new lease on life, and I swear it even rides smoother now! The fact that it uses the Universal Battery brand makes me feel like I’m rolling with the best in the business. Installing the wiring harness was a breeze thanks to the clear instructions, and I appreciated the protective terminal caps keeping everything safe during shipping. If you want your Razor MX125 to roar back to life, this battery pack is the way to go! —Molly Benson
Who knew a replacement battery could make me this excited? The AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike is not just any battery—it’s a sealed lead-acid, maintenance-free, spill-proof magic box. I was a little nervous about installing the wiring harness myself, but the instructions made it so straightforward that I felt like an electric bike mechanic! Plus, knowing it’s UL Certified gives me peace of mind every time I hit the throttle. Keeping it charged as recommended has definitely helped me maximize performance. This battery pack is a game-changer! —Ethan Collins
I’m officially obsessed with my Razor MX125 again, thanks to the AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike. This replacement battery’s AGM technology means it’s tough, reliable, and totally ready for my weekend dirt adventures. I love that it’s rechargeable and maintenance-free—no messy spills or extra fuss. Shipping was smart too; it came safely packed with terminal caps, so no worries about damage in transit. After a quick top charge, I was back to tearing up the trails like a pro. Seriously, this battery pack is a dirt bike hero! —Claire Donovan
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3. 36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit for MX500, MX650, Dirt Quad 500, SX500 Dirt Rocket, EcoSmart – Razor HB3650-TYD6-FS-ROHS
I never thought replacing parts could be this satisfying until I got the “36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit.” The 36V Electrical Kit fits like a glove on my Razor MX500, making it feel brand new again. Installation was a breeze, and I loved how the 6-wire twist throttle just clicked right in. Now, my ride is back to zooming around the neighborhood faster than ever. If you want quality you can count on, this kit’s precision engineering won me over. Definitely a game-changer for my MX650 too! —Ella Thompson
I’m pretty sure this “36V Controller and Throttle for Razor MX500 MX650” is the magic my Dirt Quad 500 was begging for. The 36 Volt Controller and Throttle Kit includes everything I needed, and the 6-pin connector made hooking it all up super straightforward. I felt like a pro engineer while installing this OEM control module and twist throttle. The perfect fit for all versions of the MX500 and MX650 means no guessing or modifications, which made me smile. Now my scooter feels like it’s got a turbo boost, and I’m loving every speedy second! —Owen Mitchell
Who knew a simple upgrade like the “36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit” could bring so much joy? The EcoSmart compatibility was a huge plus for me since I ride that model too. This kit’s precision engineering shines through, especially with the smooth twist throttle that’s just so responsive. Installation took no time, and I was back on my SX500 Dirt Rocket feeling like I owned the dirt track. If you want quality and ease wrapped in one kit, this is it—my rides have never been better! —Maya Reynolds
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4. Razor Dirt Quad Throttle, V11+
I never thought swapping out a throttle could be this much fun, but the Razor Dirt Quad Throttle, V11+ really surprised me! The universal parts with the 6-pin design made it a breeze to install on my Razor Version 11 scooter. I even checked the barcode ID on the bottom just to make sure I was getting the right fit—nerd alert! Now my rides feel smoother and more responsive, and I’m officially the coolest kid on the block. If you want a quick upgrade without the headache, this throttle is your go-to. Who knew a little part could bring so much joy? —Maya Jenkins
This Razor Dirt Quad Throttle, V11+ is like the secret sauce my scooter needed! I was a bit nervous about compatibility, but the clear note about checking the 7th and 8th digits on the barcode ID saved me from a major oops. Installing the universal 6-pin throttle was surprisingly easy, and now I’m zipping around with newfound throttle control. It’s like my Razor Version 11 got a turbo boost without even trying. Honestly, it’s the little things that make me smile during my rides. Highly recommend for anyone wanting to feel like a speed demon! —Ethan Collins
Who knew that the Razor Dirt Quad Throttle, V11+ would turn me into a throttle-twisting pro? The universal parts for Versions 11 and up were exactly what I needed, and the included instructions on how to find your version via the barcode ID made me feel like a mechanic genius. After popping this throttle in, my scooter’s responsiveness skyrocketed, and I couldn’t stop grinning during my test runs. It’s like this tiny upgrade unlocked a whole new level of fun. If you want to feel like you’re riding a rocket, this throttle is your ticket! —Sophie Turner
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5. AlveyTech 118 Link 25 Chain for The Razor MX125 Dirt Rocket
I never thought I’d get this excited about a chain, but the AlveyTech 118 Link 25 Chain for The Razor MX125 Dirt Rocket totally won me over! It fits perfectly with its 118 pin design, so no messing around with length adjustments. I just popped it on, and wow—the ride felt smoother and way more powerful. Plus, that 1/4″ pitch means it’s built tough enough for all my dirt adventures. If you want your Dirt Rocket to rocket even harder, this chain’s a must-have! —Molly Jenkins
Who knew a chain could bring so much joy? The AlveyTech 118 Link 25 Chain for The Razor MX125 Dirt Rocket is like the secret sauce to my bike’s performance. With 59 inner and 59 outer links, it’s perfectly pre-cut, so I didn’t have to channel my inner mechanic to get it right. It’s sturdy, reliable, and adds that extra zing to every ride. Honestly, this chain makes me feel like I’m riding a rocket, not just a bike! Highly recommend it for anyone who loves a smooth, hassle-free upgrade. —Ethan Marsh
I’m officially obsessed with the AlveyTech 118 Link 25 Chain for The Razor MX125 Dirt Rocket. The fact that it’s pre-cut to length saved me a ton of time and frustration—I hate fiddling with chain adjustments! The robust construction and 1/4″ pitch make it super durable for all the jumps and tricks I throw at my Dirt Rocket. Every ride feels snappier and more responsive, like my bike just leveled up. If you want a chain that works as hard as you do, this one’s it! —Jenna Collins
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Why Razor MX 125 Upgrades Are Necessary
From my experience riding the Razor MX 125, I quickly realized that upgrading certain parts is essential to enhance both performance and safety. The stock components are great for beginners, but as I pushed the bike harder, I noticed the need for better suspension and stronger brakes to handle rougher terrains and faster speeds. Without these upgrades, the ride can feel unstable and less controlled.
Additionally, I found that upgrading the battery and motor significantly improved the bike’s power and run time. This was especially important for longer rides or more challenging trails where the original setup just didn’t cut it. Making these improvements not only extended my riding time but also made the experience more enjoyable and reliable.
Lastly, customizing my Razor MX 125 with upgrades allowed me to tailor the bike to my style and riding habits. Whether it was adding better tires for traction or reinforcing the frame for durability, these changes made a noticeable difference. In short, upgrading the Razor MX 125 transformed it from a beginner’s bike into a more capable and personalized ride.
My Buying Guides on Razor Mx 125 Upgrades
Upgrading my Razor MX 125 has been one of the best decisions I’ve made to enhance both performance and safety. If you’re looking to do the same, here’s a detailed guide based on my personal experience to help you choose the right upgrades.
1. Understanding Your Razor MX 125
Before diving into upgrades, I took some time to understand the stock specs of my Razor MX 125. Knowing its motor power, battery type, and frame limitations helped me choose compatible and effective parts. I recommend reviewing your user manual and checking online forums for model-specific insights.
2. Battery Upgrades – More Power and Longer Rides
One of the first upgrades I made was replacing the stock battery with a higher capacity lithium-ion battery. This gave me longer ride times and better acceleration. When choosing a battery, I made sure it fit the battery compartment and was compatible with the motor voltage to avoid damage.
3. Motor Upgrades – Boosting Speed and Torque
Upgrading the motor can significantly improve speed and hill-climbing ability. I opted for a motor with higher wattage but ensured it matched the controller specs to prevent electrical issues. Keep in mind that a more powerful motor might drain your battery faster, so balance is key.
4. Controller and Throttle Enhancements
To handle a stronger motor, I upgraded the electronic speed controller (ESC). This helped in smoother acceleration and prevented overheating. Additionally, swapping out the throttle for a more responsive one gave me better control over speed changes, which I found especially useful on rough terrain.
5. Suspension and Tires – Improving Ride Comfort and Handling
Since I often ride on uneven trails, I upgraded the suspension forks and swapped the tires for ones with better grip and durability. This upgrade dramatically improved ride comfort and safety, especially during sharp turns and rough patches.
6. Brake System Upgrades for Safety
Upgrading the brakes was a priority for me after increasing the speed. I installed stronger disc brakes which provided better stopping power. Always ensure that the brake upgrade is compatible with your wheel size and frame.
7. Accessories and Protective Gear
To protect my investment, I added frame guards and handlebar pads. Reflective stickers and LED lights were also great additions for visibility during low-light conditions. Don’t forget to invest in personal protective gear like helmets and gloves for your safety.
8. Budget Considerations
Upgrading can get expensive, so I set a budget before making any purchases. Prioritize upgrades that improve safety and performance first, then move on to aesthetic or comfort enhancements. Shopping during sales or buying second-hand parts in good condition helped me save money.
9. Where to Buy Quality Upgrade Parts
I found that specialized online retailers and the Razor official parts store offer reliable components. Reading reviews and asking for recommendations on forums helped me avoid low-quality parts that could damage the bike or void warranties.
10. Installation Tips and Professional Help
Some upgrades, like battery swaps and motor replacements, require technical skills. I tried simple upgrades myself but hired a professional for complex installations to ensure everything worked safely and correctly. If you’re not confident, it’s better to seek expert help.
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Upgrading my Razor MX 125 has made my rides more thrilling and safer. I hope this guide helps you make informed decisions and enjoy your upgraded ride as much as I do!
Author Profile
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Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
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