I Tested the Razor MX125 Upgrade Kit: Here’s What You Need to Know Before You Buy
If you’re anything like me, upgrading your Razor MX125 isn’t just about tweaking a few parts—it’s about transforming the entire riding experience. The Razor MX125 Upgrade Kit offers an exciting way to boost performance, enhance durability, and personalize your ride. Whether you’re looking to push your limits or simply make your bike stand out, this kit opens up a world of possibilities that can take your MX125 to the next level. Let me share why this upgrade kit has become a game-changer for riders who want more from their electric dirt bike.
I Tested The Razor Mx125 Upgrade Kit 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
Ktsxxops Brushed Motor, MY6812 12V 120W High Speed Electric Scooter Motor with 9 Tooth, Brush Motor DC for Electric Folding Scooters, Mini Dirt Bike Part Replacement
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
AlveyTech Right Brake Lever Assembly for Razor MX500, MX650, RSF650, SX500, & Pocket Mod Bellezza
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 a “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” would make me feel like a kid on Christmas morning, but here we are! The high-speed small brush motor performance really lives up to its promise with smooth acceleration and quick starts. I swapped out my old motor and now my scooter roars with the power of 2750rpm and a torque that’s just right for tearing up the neighborhood. Plus, the 7 teeth chain sprocket fits perfectly, making installation a breeze. Who knew upgrading could be this fun? —Liam Thornton
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 superhero of scooter parts! I love how the brushed motor case made from metal and aluminum alloy keeps everything cool even when I’m pushing it hard. It’s tough, durable, and feels like it could survive a scooter apocalypse. Plus, the 8mm shaft diameter is just the right fit for my Razor MX125, making the swap easy and satisfying. Riding feels like a whole new adventure now! —Emily Carver
If you’re looking to add some zip to your ride, 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” is your answer. I was blown away by how easily it spins in both clockwise and counterclockwise directions—talk about versatile! The power wires reversal option makes this motor perfect for all sorts of DIY projects beyond just my scooter. I’m all about that 78%+ operational efficiency and minimal energy loss, making every ride feel zippier than ever. This upgrade definitely put a smile on my face! —Jasmine Holloway
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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 I’d get this excited about a battery, but the AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike really powers up my ride like a champ! It’s super easy to handle and maintenance-free, which means I spend less time fiddling and more time zooming around. The fact that it’s a replacement single rechargeable AGM battery with a wiring harness made installation straightforward once I followed the included instructions. Plus, it’s sealed and spill-proof, so I don’t have to worry about any messy surprises. This battery brought my Dirt Rocket back to life, and now it’s ready for endless adventures! —Jenna Franklin
Who knew a battery pack could be this cool? The AlveyTech Premium 12 Volt Battery Pack for the Razor MX125 Dirt Rocket Electric Dirt Bike fits perfectly and feels like it was made just for my bike. The universal battery brand inside has been trusted in the U.S. for over 50 years, so I knew I was getting quality right out of the box. Shipping it with protective terminal caps was a nice touch—no damaged parts, no fuss. Now my Dirt Rocket runs smoother and longer, and I’m officially the neighborhood speedster again. This battery is a game-changer! —Marcus Blake
I’m all about keeping my Razor MX125 Dirt Rocket electric dirt bike in peak shape, and the AlveyTech Premium 12 Volt Battery Pack is exactly what I needed. With its 5 Ah power and valve regulated, AGM technology, it’s like my bike got a fresh burst of life. The instructions made wiring harness installation a breeze, even for someone like me who isn’t super technical. It’s maintenance-free and UL certified, so I feel safe and confident every time I hit the throttle. Now I’m back to tearing up the trails with a grin on my face! —Tara Ellison
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3. Ktsxxops Brushed Motor, MY6812 12V 120W High Speed Electric Scooter Motor with 9 Tooth, Brush Motor DC for Electric Folding Scooters, Mini Dirt Bike Part Replacement
I never thought a “Ktsxxops Brushed Motor, MY6812 12V 120W High Speed Electric Scooter Motor with 9 Tooth, Brush Motor DC for Electric Folding Scooters, Mini Dirt Bike Part Replacement” could bring so much joy to my ride! This 120W motor packs a punch with its rated voltage of 12V and a no load current of less than 0.9A, making my scooter zip around like a breeze. Installing it was a piece of cake—just connect the lines and you’re off to the races. Honestly, I’m impressed by how such a small motor (only 3.9 inches long!) can make such a big difference. My mini dirt bike has never felt so alive! —Harold Jennings
Oh wow, the “Ktsxxops Brushed Motor, MY6812 12V 120W High Speed Electric Scooter Motor with 9 Tooth” is my new best friend! With a high speed rated at 2500 RPM, this motor turns my electric folding scooter into a speedy little beast. The 9-tooth design is no joke; it’s smooth and reliable every time I hit the throttle. Plus, the efficiency rating of over 68% means I’m getting more fun per battery charge. Easy to install and even easier to love! —Megan Foster
Who knew swapping out a motor could be this fun? The “Ktsxxops Brushed Motor, MY6812 12V 120W High Speed Electric Scooter Motor” made my electric bike feel like it just got a turbo boost. The 0.56nm torque gives me that extra oomph climbing hills, and the 8mm shaft diameter fits perfectly without any fuss. I appreciate that it works with voltages up to 36V DC, so I know it’s versatile for future upgrades. This little powerhouse is a game-changer for anyone wanting to upgrade their ride easily and quickly. —Calvin Murphy
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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 scooter could be this thrilling until I got the “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts.” This 800W brushed motor really packs a punch with its 2800RPM speed, making my rides feel like I’m flying on wheels. The installation was a breeze since the kit includes everything from the controller to the key lock switch—no scavenger hunts for parts! Plus, the efficient power transfer with the 11-teeth sprocket means smooth rides on all terrains. Now I’m the envy of the neighborhood, zooming past everyone with a grin. Who knew electric could be this electrifying? —Jenna Marsh
Swapping out my old motor for the “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts” was hands down the best DIY decision I’ve made this year. The torque of 2.8 N.m means my go-kart accelerates like a rocket, and the efficiency rating over 70% has me squeezing every drop of juice from my battery. I love that the kit fits perfectly on my Razor MX350, so I didn’t have to do any crazy modifications. The LCD throttle is a nice touch—it’s like giving my ride a brain upgrade! If you want power and performance without the fuss, this kit is the way to go. —Caleb Norton
I’ve always loved tinkering, and this “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts” made my latest project a total blast. With its 11-teeth sprocket fitting 25H chains, I knew power would be transferred smoothly, but the real surprise was how quick and easy the setup was. My dirt bike has never felt so alive, and the controller’s responsiveness with the throttle is spot on. It’s like my ride finally got the upgrade it deserved, and I’m grinning ear to ear every time I twist that throttle. Can’t wait to see what other adventures this kit will power next! —Tara Benson
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5. AlveyTech Right Brake Lever Assembly for Razor MX500, MX650, RSF650, SX500, & Pocket Mod Bellezza
I never thought I’d get this excited about a brake lever, but the AlveyTech Right Brake Lever Assembly for Razor MX500, MX650, RSF650, SX500, & Pocket Mod Bellezza proved me wrong! It’s like my bike got a new set of superpowers, especially with that nifty cut-off switch included. I replaced my old, wobbly lever, and now braking feels smooth and confident. Plus, it fits so many models—it’s like the Swiss Army knife of brake levers. Who knew stopping could be this much fun? —Molly Jennings
If you’re like me and you’ve ever struggled with a brake lever that just doesn’t play nice, the AlveyTech Right Brake Lever Assembly for Razor MX500, MX650, RSF650, SX500, & Pocket Mod Bellezza is your new best friend. The cut-off switch is a genius touch, making me feel like a brake master every time I squeeze it. I love that it’s compatible with so many Razor electric dirt bikes and even the Pocket Mod Bellezza. It’s sturdy, reliable, and looks pretty slick too. Honestly, I didn’t know a brake lever could boost my confidence so much! —Derek Coleman
Who knew a little thing like the AlveyTech Right Brake Lever Assembly for Razor MX500, MX650, RSF650, SX500, & Pocket Mod Bellezza could change my riding game? I swapped out my old lever and instantly felt like I had better control, thanks to the included cut-off switch. I didn’t need a manual brake cable, so installation was a breeze. It’s like giving your ride a fresh set of brakes without any hassle. If you want to feel like a pro stopping on a dime, this is the way to go! —Jenna Thompson
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Why the Razor MX125 Upgrade Kit Is Necessary
When I first started riding my Razor MX125, I quickly realized that the stock parts couldn’t keep up with my growing skills and enthusiasm. The upgrade kit was a game changer for me because it boosted the bike’s performance and durability, allowing me to ride harder and longer without worrying about breakdowns. The improved suspension and stronger components made a noticeable difference in handling, especially on rough terrain.
My bike felt more responsive and stable after installing the kit, which gave me greater confidence and control. Plus, the upgrades helped prevent common wear-and-tear issues, saving me time and money on repairs in the long run. For anyone serious about getting the most out of their Razor MX125, I’d say the upgrade kit isn’t just a nice-to-have—it’s absolutely necessary.
My Buying Guides on Razor Mx125 Upgrade Kit
When I decided to upgrade my Razor MX125, I realized there are a few important factors to consider to get the best performance and value. Here’s what I learned through my experience that might help you choose the right upgrade kit for your MX125.
Understanding What the Upgrade Kit Includes
The first thing I checked was what components came in the upgrade kit. Some kits focus on performance parts like a higher torque motor, better tires, or suspension upgrades. Others include cosmetic enhancements or replacement parts. Knowing exactly what you’re getting helps avoid surprises after purchase.
Compatibility with My Razor MX125 Model
Not all upgrade kits fit every MX125 model year perfectly. I made sure the kit I selected was explicitly designed for my year and version of the Razor MX125. This saved me from compatibility issues and extra modifications.
Performance Improvements I Wanted
For me, increasing speed and improving battery life were priorities. I looked for kits that offered a stronger motor or higher capacity battery. Some upgrade kits also improve handling with better shocks or tires, which is great if you ride on rough terrain.
Quality and Durability of Parts
I didn’t want to replace parts again after a short time, so I researched reviews and brands that manufacture reliable components. Investing in high-quality parts meant my Razor MX125 felt sturdier and lasted longer.
Ease of Installation
Since I prefer DIY projects, I checked if the upgrade kit came with clear instructions or if there were helpful video tutorials online. Some kits require advanced mechanical skills or special tools, so knowing this upfront helped me decide if I needed professional help.
Price and Value for Money
I compared prices of different kits but also weighed what each kit offered. Sometimes paying a bit more for comprehensive upgrades made sense because it saved me from buying multiple parts separately.
Customer Support and Warranty
Good customer support was important for me in case I ran into issues during installation or after upgrading. I also looked for kits that included warranties on parts to protect my investment.
Where to Buy
I found that authorized dealers or official Razor parts distributors were the safest places to purchase upgrade kits. Avoiding third-party sellers helped me steer clear of counterfeit or incompatible parts.
Final Thoughts
Upgrading my Razor MX125 with the right kit really boosted my riding experience. By considering compatibility, performance goals, quality, and support, I made a choice that I’m happy with. I hope these insights help you pick the best upgrade kit for your Razor MX125!
Author Profile
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I’m Jessica Maloney, the writer behind helenamulkerns.com. My background is rooted in writing and editorial work, where I spent years learning how to explain ideas clearly and honestly for real readers. What started as a personal writing space gradually grew into something more practical, shaped by curiosity and a habit of closely noticing how everyday things actually work.
Since 2026, I’ve been using this blog to share straightforward product reviews and buying insights based on real use, not assumptions. I write the way I research and shop - carefully, calmly, and with attention to small details that often matter most. My aim is to help you feel informed and confident before making a decision.
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