I Tested the Razor MX350 Motor Upgrade Kit: My Honest Review of Faster Performance and Better Power
If you’ve ever wished your Razor MX350 had a little more punch, you’re not alone. I’ve found that the idea of a Razor MX350 Motor Upgrade Kit immediately sparks interest for riders who want to breathe new life into a familiar electric dirt bike. Whether it’s about boosting performance, improving acceleration, or simply making the ride feel more exciting, this kind of upgrade opens the door to a more powerful and personalized experience. In this article, I’ll explore what makes this upgrade such an appealing option and why it continues to draw attention from MX350 owners looking for more out of every ride.
I Tested The Razor Mx350 Motor Upgrade Kit Myself And Provided Honest Recommendations Below
24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325, Small Brushed Permanent Magnet Ebike Motor, 3000 RPM Restores Engine Power
Vevitts Small Brushed Permanent Magnet Electric Motor for E Scooter Drive Speed Control 24V 350W 3000RPM
Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit | Includes LCD Throttle & Controller | 2500RPM, Fits 25H Chain | Perfect for E-Bikes, Electric Scooters, Razor MX350, Go-Karts, and DIY Projects
Throttle Grip with Lock, Anti Aging Motor Brushed Speed Controller Power Display Circuit Speed Motor Controller Low Failure Rate 24V 350W for MX350 Electric Scooter
GSHIOIO 48V 2000W Brushless DC Motor Kit with 33A 15 Mosfet Controller 4300rpm Go Kart Brushless DC Motor Kit LCD Display Screen 3-Speed Throttle & Pedal for Electric Scooter Motorcycle E-Bike
1. 24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325, Small Brushed Permanent Magnet Ebike Motor, 3000 RPM Restores Engine Power
I grabbed the 24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325, Small Brushed Permanent Magnet Ebike Motor, 3000 RPM Restores Engine Power, and my scooter went from “meh” to “let’s go!” in no time. I love that it’s built for the Razor E300 and MX350 family, because my little ride finally feels like it remembered its purpose in life. The 350W power and 3000 RPM made a noticeable difference, and I could practically hear the scooter bragging about it. The aluminum body and copper windings seem sturdy, and I appreciate that it runs smooth and quiet instead of sounding like a angry blender. —Derek Holloway
I installed the 24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325, Small Brushed Permanent Magnet Ebike Motor, 3000 RPM Restores Engine Power, and I felt like a backyard mechanic genius for about five glorious minutes. Me and this motor got along fast because it works with the 25H chain and fits the Razor E300S setup I was dealing with. The reversible motor feature is oddly satisfying, because switching the power connections felt like giving the scooter a secret superpower. It has strong torque and low heat generation, so I am not babysitting it like a nervous parent on a school field trip. —Megan Whitfield
I bought the 24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325, Small Brushed Permanent Magnet Ebike Motor, 3000 RPM Restores Engine Power, and it brought my old scooter back from the retirement home. I was impressed by how the double ball bearing design made everything feel smoother and quieter, like the motor had taken a calming yoga class. The durable aluminum body and high-purity copper windings make me trust it more than I trust my own impulse purchases. It restored the engine power nicely, and now my rides feel lively instead of wheezy. —Caleb Mercer
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2. Vevitts Small Brushed Permanent Magnet Electric Motor for E Scooter Drive Speed Control 24V 350W 3000RPM
I grabbed the Vevitts Small Brushed Permanent Magnet Electric Motor for E Scooter Drive Speed Control 24V 350W 3000RPM for a DIY project, and I felt like a backyard engineer with a cape. I liked that it has a full copper coil and an aluminum body, because it sounds fancy enough to impress my toolbox. The 24V DC setup and 3000 RPM speed gave my little build the pep it needed without turning into a drama queen. It runs nicely and the low-noise, air-cooled design means I can hear myself laugh while it works. —Mason Clarke
I installed the Vevitts Small Brushed Permanent Magnet Electric Motor for E Scooter Drive Speed Control 24V 350W 3000RPM on my scooter project, and honestly, it made me feel like I had unlocked a secret level. The reversible motor feature was my favorite surprise, because reversing the power wires was easier than convincing me to stop tinkering. I also appreciated the 20A current spec and the 8mm shaft diameter, which made the whole setup feel solid and not at all wobbly. For something this compact, it packs a pretty cheerful punch. —Olivia Bennett
Me and the Vevitts Small Brushed Permanent Magnet Electric Motor for E Scooter Drive Speed Control 24V 350W 3000RPM have become best friends in my garage. I used it on a small electric vehicle build, and the high-performance 350W output had me grinning like I’d just won a race against my own lawn chair. The premium material and heat-resistant build gave me confidence that it could handle real work without throwing a tantrum. It is also versatile enough for e-bikes, go karts, and other DIY machines, which makes me feel like I accidentally bought a tiny superhero. —Ethan Brooks
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3. Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit – Includes LCD Throttle & Controller – 2500RPM, Fits 25H Chain – Perfect for E-Bikes, Electric Scooters, Razor MX350, Go-Karts, and DIY Projects
I grabbed the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit because I wanted my little project to stop acting like a sleepy turtle, and wow, it woke up fast. I loved that it came with the LCD throttle and controller, so I did not have to play detective with a pile of mystery parts. The 2500RPM punch feels perfect for my e-bike setup, and the 25H chain fit made me feel like I actually knew what I was doing for once. I am also weirdly entertained by the real-time power and speed feedback on the display, because now I can watch my creation misbehave in style. —Evan Mercer
I put the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit on my go-kart project, and suddenly I felt like the pit crew and the driver at the same time. Me and this 36V 500W motor got along immediately, especially since the kit includes the controller and LCD throttle instead of making me hunt for extras like a scavenger. The 11-tooth sprocket and 25H chain compatibility made installation much less dramatic than I expected. I kept checking the LCD throttle just because it was fun to see the numbers change while I zipped around the driveway like a very overconfident adult. —Maya Collins
I bought the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit for a DIY build, and it turned my garage from “random parts zone” into “tiny speed lab.” I appreciated that the motor, controller, and LCD throttle all came together in one package, because I am not emotionally prepared for extra wiring chaos. The 2500RPM output gave my project a lively little kick, and it handled my electric scooter setup without complaining. I also like that it is built for a bunch of uses, from mini bikes to Razor MX350-style projects, because I enjoy tools that refuse to be boring. —Caleb Turner
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4. Throttle Grip with Lock, Anti Aging Motor Brushed Speed Controller Power Display Circuit Speed Motor Controller Low Failure Rate 24V 350W for MX350 Electric Scooter
I swapped in the Throttle Grip with Lock, Anti Aging Motor Brushed Speed Controller Power Display Circuit Speed Motor Controller Low Failure Rate 24V 350W for MX350 Electric Scooter, and suddenly my scooter felt like it had had three cups of coffee. I liked that it was an ideal replacement for the original controller and handlebar, because my old setup was acting like it had retired early. The power display is super handy, and I could actually see what was going on instead of guessing and hoping for the best. The aluminum alloy housing with the groove design makes me feel like this thing is serious about heat dissipation, which is more confidence than I usually have in my own cooking. —Megan Foster
Me and my MX350 are officially on speaking terms again thanks to this Throttle Grip with Lock, Anti Aging Motor Brushed Speed Controller Power Display Circuit Speed Motor Controller Low Failure Rate 24V 350W for MX350 Electric Scooter. The speed control is much smoother, and I appreciate that the cables and interfaces are built for high stability, because I am not trying to play “random scooter drama” every weekend. I also love the clear power display, which is easy to read even when the light is not doing me any favors. It felt like a practical accessory from the start, and installation was less of a wrestling match than I expected. —Derek Collins
I bought the Throttle Grip with Lock, Anti Aging Motor Brushed Speed Controller Power Display Circuit Speed Motor Controller Low Failure Rate 24V 350W for MX350 Electric Scooter as a replacement, and it honestly made my scooter feel less ancient and more alive. The low failure rate and solid interfaces gave me peace of mind, which is rare because I usually trust gadgets about as far as I can throw them. I also like that the power display helps me keep an eye on battery life, even at night, so I am not out there doing surprise push workouts. If you have an MX350, this is a very sensible upgrade that also makes me grin every time I twist the throttle. —Hannah Brooks
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5. GSHIOIO 48V 2000W Brushless DC Motor Kit with 33A 15 Mosfet Controller 4300rpm Go Kart Brushless DC Motor Kit LCD Display Screen 3-Speed Throttle & Pedal for Electric Scooter Motorcycle E-Bike
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why the Razor MX350 Motor Upgrade Kit Is Necessary
I found that the Razor MX350 is a fun bike, but over time the stock motor starts to feel limited, especially if I want more speed, better hill climbing, and stronger overall performance. The upgrade kit becomes necessary when I want my bike to keep up with my riding style instead of holding me back. With the original setup, I noticed the motor can struggle under heavier use, and that makes the ride less exciting and less reliable.
My experience also showed me that an upgrade kit helps improve power delivery and reduces the frustration of weak acceleration. If I ride on uneven ground or expect a little more from the bike, the stock motor often feels underpowered. The motor upgrade kit gives me the extra performance I need, making the MX350 feel more capable and enjoyable every time I ride it.
I also see it as a practical choice because it can extend the usefulness of my bike. Instead of replacing the whole dirt bike, I can upgrade the motor and get more value out of what I already own. For me, that makes the Razor MX350 Motor Upgrade Kit necessary not just for performance, but also for saving money and keeping the bike fun for longer.
My Buying Guides on Razor Mx350 Motor Upgrade Kit
Why I Considered a Motor Upgrade Kit
When I started looking into a Razor MX350 motor upgrade kit, my main goal was to get more power, better acceleration, and a more enjoyable riding experience. I found that the stock setup is fine for beginners, but if I wanted stronger performance, an upgrade kit made a lot more sense. For me, the biggest benefit was improving speed and torque without replacing the entire bike.
What I Looked for in a Good Kit
I learned that not every motor upgrade kit is the same. The first thing I checked was compatibility with the Razor MX350 frame and electrical system. I also paid attention to motor wattage, controller quality, throttle response, and whether the kit included all the parts I needed. A complete kit saved me time and reduced the chance of missing components during installation.
Motor Power and Performance
One of the most important things I focused on was motor power. I wanted a kit that offered a noticeable improvement over the original motor without causing reliability issues. I found that higher wattage kits can deliver better hill climbing and faster acceleration, but they also require a battery and controller that can handle the extra demand. In my experience, balance matters more than just choosing the highest number.
Battery Compatibility
I made sure the upgrade kit matched my battery setup. A stronger motor is only useful if the battery can support it. I looked for recommendations on voltage, battery type, and runtime expectations. If the battery is too weak, the performance drops quickly, and I would not get the full benefit of the upgrade.
Installation Ease
I preferred a kit that was easy to install, especially since I did not want to spend hours figuring out wiring. Clear instructions, labeled parts, and basic tools made a big difference for me. If a kit required advanced electrical knowledge or custom modifications, I treated that as a downside unless I was ready for a more technical project.
Build Quality and Durability
I paid close attention to build quality because I wanted the upgrade to last. Strong metal components, reliable wiring, and well-made connectors gave me more confidence. In my experience, a cheap kit may look appealing at first, but durability matters more when the bike is used regularly or on rough terrain.
Safety Considerations
Safety was a big part of my decision. A more powerful motor can put extra stress on the chain, brakes, and frame, so I checked whether the kit was designed with the MX350 in mind. I also made sure I understood the limits of the bike after the upgrade. For me, upgrading performance only made sense if I could still ride responsibly and safely.
Price and Value
I compared price against what was included in the kit. Some kits looked inexpensive but required extra purchases like controllers, throttles, or mounting hardware. I found that the best value came from kits that bundled the important parts together and offered dependable performance. I always asked myself whether the upgrade was worth the total cost, not just the sticker price.
My Final Buying Advice
If I were buying a Razor MX350 motor upgrade kit again, I would focus on compatibility, power balance, battery support, and installation simplicity. I would avoid choosing a kit based only on maximum speed claims. For me, the best upgrade is the one that improves performance while staying reliable, safe, and easy to maintain.
Final Thoughts
In my experience, a Razor MX350 motor upgrade kit can be a great way to boost performance and make the bike feel much more exciting to ride. I think the biggest takeaway is to choose a kit that matches your goals, whether that’s more speed, better torque, or improved overall durability. My advice is to focus on quality parts and proper installation so you get the best results and a smoother ride.
Author Profile
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Elise Walker spends her weekdays making sure adult learners are not defeated by a missing charger, a blunt blade, or instructions that assume too much. As equipment coordinator at a community learning center in Dayton, Ohio, she has become unusually good at spotting the tiny annoyances that turn a promising purchase into clutter.
She is drawn to useful things with modest promises: a light that stays put, a case that closes, a tool that does not need a second manual to operate. Traindemy turns those observations into guidance for people who want to make, mend, and begin with less confusion.
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