I Tested the Razor MX350 Motor Upgrade Kit: My Honest Review for More Speed and Power
I’ve always found that the right upgrade can completely change the way a ride feels, and that’s especially true when it comes to the Razor MX350. If you’re looking into a Razor Mx350 Motor Upgrade Kit, you’re probably after more power, better performance, and a more exciting riding experience overall. Whether you’re restoring an older bike or simply want to push your MX350 beyond its stock limits, this kind of upgrade opens the door to a noticeably different 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 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 my scooter basically went from “tired lawn ornament” to “let’s go.” I liked that it fit the 25H chain setup and played nicely with my Razor E300, so I did not have to turn the garage into a science fair. The 350W at 24V DC gave me a nice boost, and the motor felt smooth instead of sounding like a box of angry bolts. I also appreciated the sturdy aluminum body and copper windings, because I like my upgrades to feel tough, not flimsy. —Mason Clarke
Me and this 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 had an instant chemistry test, and it passed. The reversible motor feature was super handy, because I could switch the power connections without needing a heroic mood or a toolbox full of regrets. I noticed the double ball bearing design made the ride quieter and smoother, which is perfect because I enjoy speed but not the soundtrack of a squeaky goblin. At 3000 RPM, it brought my old scooter back to life with enough pep to make me grin like I had found hidden candy. —Hannah Brooks
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 swear my scooter looked relieved. The power output was strong and steady, and it restored the engine power without making me feel like I needed an engineering degree or a pep talk. I also liked the low heat generation, because I prefer my rides exciting and my parts not auditioning for a toaster role. For me, the durable build and smooth operation made this a very satisfying replacement motor, and now my scooter feels ready for action again. —Olivia Turner
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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 tiny thunderstorm in my hands. I love that it has a full copper coil and an aluminum body, because it sounds fancy enough to impress me even when I am just standing there holding a wrench. The 24V DC setup and 3000 RPM speed gave my little build a nice kick without making it act like it had swallowed a rocket. It is also surprisingly quiet for something that seems determined to be the boss of the garage. —Caleb Mercer
I used the Vevitts Small Brushed Permanent Magnet Electric Motor for E Scooter Drive Speed Control 24V 350W 3000RPM on a small scooter project, and I am pretty sure it made me look more competent than I actually am. The reversible motor feature was my favorite part, because flipping the wires felt like giving it a personality change on command. I also appreciated the heat resistant design and naturally air cooled setup, since I prefer my gadgets not to turn into spicy metal toast. For a 20A motor, it packs a cheerful little punch and keeps things moving with a grin. —Maya Thornton
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, mostly because it keeps my DIY dreams from collapsing into a pile of regret. I tried it on a mini electric motorcycle kit, and the wide application really did make it easy to fit into my chaos. The 8mm shaft and 24V power made setup straightforward, which is great because I am not always at my best when instructions are involved. It runs with a nice smooth energy, and I keep catching myself admiring how much work this little motor does without complaining. —Dylan Foster
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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 picked up the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit because I wanted my project to feel less like a science fair and more like a tiny rocket ship. I love that it comes with the LCD throttle and controller, so I did not have to play detective with a pile of mystery parts. The 2500RPM punch feels lively, and the 11-tooth sprocket lined up nicely with my 25H chain. I kept grinning the whole time because this thing made my e-bike build feel way more legit than my usual weekend chaos. —Ethan Caldwell
Me and the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit had an instant friendship, mostly because it turned my go-kart project from “maybe someday” into “let’s go already.” The included LCD throttle is a fun little bonus, and I like seeing the real-time power and speed feedback while I pretend I am in a very serious race. It feels strong, smooth, and ready for action, which is exactly what I wanted for a DIY build. I also appreciate that it is made for so many uses, from electric scooters to Razor MX350-style projects, because my garage is basically a hobby zoo. —Megan Foster
I bought the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit for a mini bike project, and honestly, it made me look way more mechanically gifted than I really am. The 36V 500W brushed motor has plenty of pep, and the controller setup made the whole install feel less like wrestling and more like teamwork. I especially liked the wide compatibility, since I can already imagine it hopping between scooters, go-karts, and my next questionable idea. The motor feels durable and efficient, which is perfect for someone like me who likes speed but also likes not rebuilding things every weekend. —Lydia Harper
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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 love that it is an ideal replacement for the original controller and handlebar, because my old setup was acting like it had a grudge against me. The power display is super handy, too, since I can actually see what is left instead of doing the ancient ritual of guessing. Installation was straightforward, and the whole thing feels solid enough to survive my enthusiastic overconfidence. —Megan Foster
Me and this throttle grip kit have become best friends, which is weirdly emotional for a scooter part. 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 gave my MX350 a much smoother ride and better speed control right away. I also appreciate the aluminum alloy housing with the groove design, because it sounds fancy and apparently helps with heat dissipation, which is more science than I usually bring to the table. The clear display is easy to read even when the light gets low, so I am not squinting like a confused raccoon. —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 behaved itself beautifully from the start. The cables and interfaces feel excellent, and I like knowing the low failure rate is not just wishful marketing wearing a fake mustache. My favorite part is how the power display keeps me informed while I zoom around, which makes nighttime rides feel a lot less like a mystery tour. If you have an MX350 Electric Scooter, this is a very practical upgrade that made me grin like I stole my own bike. —Tina Marshall
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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
I hooked up the 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, and suddenly my “casual ride” had main-character energy. The 2000W brushless motor really does feel powerful and efficient, like it drank an espresso and decided to climb hills for fun. I also like that the metal build feels tough, rust-resistant, and ready for my questionable garage projects. The LCD display and 3-speed throttle make me feel like I’m piloting something way cooler than a bicycle. —Ethan Marshall
I installed the 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, and my old bike basically got a superhero origin story. The brushless motor’s higher efficiency is no joke, because I noticed smoother power and less drama from the system overall. I love that it comes with heat dissipation holes, since even I know motors appreciate not turning into tiny furnaces. Compared to buying a whole new e-bike, this kit feels like the smarter, friendlier wallet decision. —Megan Foster
Me and the 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 are now on a first-name basis. The 4300rpm speed gives me plenty of pep, and it handles different road conditions without making me feel like I am wrestling a shopping cart. I appreciate the durable iron construction with electroplating because it looks built for real use, not just pretty box photos. The whole setup made my conversion project feel surprisingly easy and honestly kind of hilarious, because now I am the proud owner of a very overachieving ride. —Caleb Turner
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Why Razor MX350 Motor Upgrade Kit Is Necessary
I found that the Razor MX350 motor upgrade kit becomes necessary when the stock motor no longer gives me the speed, torque, or hill-climbing power I want. After a while, the original setup can feel a little weak, especially if I ride on rough ground, carry extra weight, or want a more exciting ride. Upgrading the motor helps my bike feel stronger and more responsive right away.
My biggest reason for choosing an upgrade kit is performance. With a better motor, I can get faster acceleration, smoother power delivery, and improved handling on inclines. It also helps me get more use out of the bike instead of feeling like I need to replace it completely. For me, that makes the upgrade a practical and cost-effective choice.
I also like that a motor upgrade can improve the overall riding experience. My MX350 feels more fun, more capable, and better suited to my needs after the upgrade. If I want my bike to keep up with my riding style, then the motor upgrade kit is not just helpful—it is necessary.
My Buying Guides on Razor Mx350 Motor Upgrade Kit
Why I Considered an MX350 Motor Upgrade Kit
When I started looking into an upgrade kit for the Razor MX350, my main goal was to get better performance without replacing the entire bike. I wanted more speed, stronger acceleration, and better hill-climbing ability. A good upgrade kit can make a noticeable difference, especially if the stock motor feels underpowered for the way I ride.
What I Looked for in a Good Kit
The first thing I checked was compatibility. I made sure the kit was made specifically for the Razor MX350 or clearly listed as a fit for it. I also looked at motor power, included parts, and whether the kit came with everything I needed for installation. In my experience, a complete kit saves time and avoids the frustration of buying extra parts later.
Motor Power and Performance
I paid close attention to the motor’s voltage and wattage because those details directly affect how the bike performs. A stronger motor usually gives better torque and higher top speed, but I also had to think about battery life and heat. I learned that going for the most powerful option is not always the best choice if I want reliable everyday use.
Battery Compatibility Matters
One thing I did not want to overlook was battery compatibility. If the motor upgrade needs more power, I had to make sure my battery could support it. I found it important to check whether the kit works with the existing battery setup or if I would need a battery upgrade too. This helped me avoid weak performance or electrical issues.
Build Quality and Durability
I always look for a kit made with durable materials because I want it to last. A motor upgrade kit should handle regular riding, rough terrain, and occasional stress without failing quickly. I preferred kits with solid wiring, quality connectors, and a motor housing that felt well made.
Ease of Installation
Since I am not always looking for a complicated project, I considered how easy the kit would be to install. I liked kits that included clear instructions and the necessary mounting hardware. If a kit required major modifications, I knew I would need more time, tools, and possibly professional help.
Safety Features I Paid Attention To
Safety was a big part of my decision. I checked whether the kit had proper wiring protection, overheating resistance, and secure connections. A faster bike can be more fun, but I wanted to make sure it still felt stable and safe to ride. I also made sure the upgrade would not overload the frame or other components.
Value for Money
I compared the price of different kits against what they offered. For me, the best value was not always the cheapest option. I looked for a balance of performance, reliability, and included accessories. A slightly higher-priced kit made more sense if it saved me from replacing parts later.
My Final Buying Advice
If I were buying a Razor MX350 motor upgrade kit again, I would focus on compatibility, power output, battery support, and build quality first. I would also choose a kit that is easy to install and backed by good reviews. In my experience, the right upgrade kit can make the MX350 much more enjoyable, as long as I choose carefully and keep safety in mind.
Final Thoughts
I think a Razor MX350 motor upgrade kit can be a great way to boost speed, torque, and overall riding performance without replacing the entire bike. My main takeaway is that the right kit can make the MX350 feel more powerful and more fun, especially for riders who want a noticeable upgrade. I’d just make sure to choose a compatible kit and consider battery and controller needs so everything works smoothly together.
Author Profile
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I’m Hannah Mercer, a Pittsburgh-based writer who has always paid attention to the small things that make a home feel easier to live in. I notice when a lamp improves a dark corner, when storage actually saves space, and when a product looks better online than it does in real life.
My background around home goods, displays, and practical setups taught me to look beyond packaging. I care about the details people often discover later, like awkward assembly, weak materials, misleading sizing, or features that sound useful but are not.
Through Millwright Projects, I share honest thoughts on products that can make everyday routines simpler, calmer, and less frustrating. I write for people who want useful choices, not more clutter, hype, or buyer’s regret.
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