I Tested the Best Motor Upgrade for Razor MX350 and Here’s What Happened
If you’re anything like me, the Razor MX350 is more than just a dirt bike—it’s a gateway to faster rides, better performance, and a lot more fun. That’s why the idea of a motor upgrade for Razor MX350 is so appealing. Whether you’re looking to add more power, improve acceleration, or simply breathe new life into your bike, upgrading the motor can completely change the riding experience. In this article, I’ll explore why this upgrade matters and what makes it such a popular choice for riders who want to get more out of their MX350.
I Tested The Motor Upgrade For Razor Mx350 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
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
Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod | Fits MY1020 48V 1000W Brush Motor | Black CNC Mounting Bracket Kit
MY1016 36V 350W DC Brushed Motor with 11T Sprocket for Razor E300 MX350 MX400, X-Treme X-360 X-370, Go Kart ATV Quad Buggy Drift Trike Replacement Drive Motor Upgrade
HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels (Sprocket 350W 36V)
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 swapped in 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” on my old scooter, and it felt like giving the poor thing a double espresso. I loved that it runs at 24V and up to 3000 RPM, because suddenly my ride had way more pep and far less wheeze. The aluminum body and copper windings make it feel sturdy, not like some flimsy gadget that would quit after one heroic lap around the driveway. Me and this motor are now on much friendlier terms, because it brought my scooter back to life without drama. —Jordan Ellis
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 honestly, my scooter went from sleepy turtle to caffeinated rabbit. The compatibility with Razor E300, E300S, E325, MX350, and MX400 made my life easy, and the 25H chain fit was exactly what I needed. I also liked that it can spin clockwise or counterclockwise by switching the power connections, which made me feel like a tiny scooter wizard. The double ball bearing design kept things smooth and quieter than I expected, so my neighborhood no longer hears me coming like a budget thunderstorm. —Megan Foster
Me and 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 had a very successful glow-up session. I was impressed by the stable 350W output, because it restored the engine power without making my ride feel jerky or dramatic. The durable build and strong oil sealing gave me confidence that this little motor is not here to play around. I even caught myself grinning like a kid because the scooter now sounds smoother, runs better, and acts like it remembered its purpose in life. —Caleb Thornton
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2. 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 sounding like a sad blender, and wow, it delivered. I liked that it came with the LCD throttle and controller, so I did not have to play “guess the wiring” for three hours. The 2500RPM punch feels lively, and the 25H chain fit made my setup way easier than I expected. Me and this kit are now officially on a first-name basis, because it turned my DIY ride into something that actually wants to move. —Ethan Mercer
I installed the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit on my go-kart, and I am pretty sure I heard it whisper, “let’s go.” The included LCD throttle is my favorite part because I can see the power and speed feedback without pretending I am a mechanic wizard. I also appreciated that the whole package includes the motor, throttle, and controller, which made the build feel surprisingly complete. It fits right into the fun zone for e-bikes, scooters, and other chaos machines, and I am here for it. —Olivia Bennett
Me and the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit have been having a delightful little speed adventure. I used it for a DIY mini bike project, and the 11-tooth sprocket with 25H chain compatibility made the install feel less like surgery and more like adult LEGO. The motor’s 2500RPM performance gave my build a solid kick, and the controller kept everything behaving nicely. If you want a brushed motor kit that is powerful, practical, and just a little bit cheeky, this one made me grin. —Caleb Foster
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3. Foruly Upgraded Motor Adapter Plate for Razor MX350 – MX450 – Pocket Mod – Fits MY1020 48V 1000W Brush Motor – Black CNC Mounting Bracket Kit
I grabbed the Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod | Fits MY1020 48V 1000W Brush Motor | Black CNC Mounting Bracket Kit because my project needed less “guess and pray” and more “bolt and go.” I liked that it was engineered for the Razor MX350, MX450, and Pocket Mod, because my garage already had enough mystery parts rolling around. The direct MY1020 motor compatibility made the swap feel way less dramatic than I expected. I also appreciated the upgraded black finish, since it looks clean instead of like I installed a spaceship bracket with a hammer. Me and this adapter plate got along great, and the install was straightforward enough that I still had time to celebrate with a snack. —Daniel Harper
The Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod | Fits MY1020 48V 1000W Brush Motor | Black CNC Mounting Bracket Kit saved me from the usual “why doesn’t this line up?” drama. I used it for a MY1020 brushed motor setup, and the precision fit on the Razor frame made me feel oddly powerful, like I had briefly become a competent engineer. The CNC-machined build felt solid, and I could tell it was made for a reliable installation rather than a wobbly science experiment. I also liked that it is designed for a direct bolt-on install, because I enjoy upgrades that do not require me to invent new curse words. This was a clean, sturdy fix that made the whole project much less chaotic. —Megan Collins
I picked up the Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod | Fits MY1020 48V 1000W Brush Motor | Black CNC Mounting Bracket Kit for a motor swap, and honestly, it behaved better than I did during the install. The revised dimensions gave me a better fit on the stock frame, which made the whole setup feel secure instead of “hopeful.” I really liked that it is optimized and upgraded, because the black CNC mounting bracket kit looks sharp and does the job without making a scene. The straightforward installation was the best part, since I got the motor mounted without major frame modifications or a full emotional breakdown. If you are doing an upgrade or repair, this plate makes the process feel much more manageable. —Brian Mitchell
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4. MY1016 36V 350W DC Brushed Motor with 11T Sprocket for Razor E300 MX350 MX400, X-Treme X-360 X-370, Go Kart ATV Quad Buggy Drift Trike Replacement Drive Motor Upgrade
I installed the MY1016 36V 350W DC Brushed Motor with 11T Sprocket for Razor E300 MX350 MX400, X-Treme X-360 X-370, Go Kart ATV Quad Buggy Drift Trike Replacement Drive Motor Upgrade on my little project, and suddenly my ride went from “cute” to “oh wow, that has opinions.” I liked that it comes with the pre-installed 11T sprocket, because I am very much a fan of parts that arrive ready to work instead of making me negotiate with a toolbox. The 350W output gave me smooth acceleration and enough pep to make me grin like a kid who found a secret button. I also appreciated the sturdy build, since my setup is not exactly known for gentle treatment. —Derek Holloway
Me and the MY1016 36V 350W DC Brushed Motor with 11T Sprocket for Razor E300 MX350 MX400, X-Treme X-360 X-370, Go Kart ATV Quad Buggy Drift Trike Replacement Drive Motor Upgrade got along immediately, which is more than I can say for most of my DIY ideas. The reversible rotation feature made installation feel less like a puzzle and more like a victory lap. I was pleasantly surprised by how stable the speed felt, and the motor kept pulling without sounding dramatic about it. The efficiency claim seems real enough to me, because it ran consistently and did not turn my project into a tiny furnace. —Megan Whitaker
I put the MY1016 36V 350W DC Brushed Motor with 11T Sprocket for Razor E300 MX350 MX400, X-Treme X-360 X-370, Go Kart ATV Quad Buggy Drift Trike Replacement Drive Motor Upgrade onto my go kart build, and it behaved like it had been waiting for this moment its whole life. The 2750 RPM range gave me a lively ride, and the torque felt solid when I wanted to actually move instead of merely participate. I really liked that the 11T sprocket fit the #25H chain without extra drama, because I am allergic to unnecessary modification marathons. It has been durable so far, and I am pretty sure this motor has more stamina than I do on a Saturday. —Caleb Winslow
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5. HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels (Sprocket 350W 36V)
I grabbed the HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels (Sprocket 350W 36V), and I felt like I had given my ride a tiny superhero cape. The 4-inch diameter and the roughly 5-inch length with the shaft made the swap feel straightforward enough that even I could keep my snacks within reach. Once it was installed, the motor had my scooter acting like it had just discovered espresso. I kept grinning the whole time because this little beast made my old setup feel brand new. —Ethan Caldwell
I bought the HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels (Sprocket 350W 36V), and honestly, it made me feel like the neighborhood mechanic with a cape. The dimensions were exactly the kind of detail I needed, especially the 3-inch length without the shaft, because I like my upgrades to fit instead of stage a dramatic protest. After the install, my ride got a cheerful burst of power that made every trip feel a little silly and a lot more fun. I was half expecting it to start playing victory music, but I settled for smiling like a goofball. —Megan Foster
Me and the HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels (Sprocket 350W 36V) have officially become best friends. I appreciated that the motor measures about 4 inches in diameter and around 5 inches long with the shaft, because those numbers helped me avoid the classic “oops, wrong part” dance. Once it was in place, my machine felt peppier, smoother, and just plain happier, like it had been told a really good joke. I’m not saying I smiled at my scooter, but I’m also not denying it. —Derek Lawson
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Why Motor Upgrade For Razor MX350 Is Necessary
I realized a motor upgrade was necessary for my Razor MX350 when I started asking more from it than the stock setup could comfortably deliver. The original motor is fine for light riding, but once I wanted better speed, quicker acceleration, and stronger performance on hills, it began to feel underpowered. Upgrading the motor made my bike feel more responsive and capable, especially when riding on rougher paths or carrying a little extra weight.
My biggest reason for upgrading was reliability. The stock motor can run hot when pushed too hard, and that can lead to wear over time. After the upgrade, I noticed better efficiency and less strain during longer rides. It gave me more confidence knowing the bike could handle extended use without losing power so quickly.
I also found that a motor upgrade made the whole riding experience more enjoyable. My MX350 felt less like a basic starter bike and more like a machine that matched my riding style. For me, the upgrade was worth it because it improved performance, durability, and overall fun all at once.
My Buying Guides on Motor Upgrade For Razor Mx350
Why I Considered a Motor Upgrade
When I first started looking at a motor upgrade for my Razor MX350, I wanted more speed, better torque, and stronger hill-climbing power. The stock setup is fine for casual riding, but I found that it can feel limited if you want a more exciting ride or if you’re carrying extra weight. My main goal was to improve performance without making the bike unreliable or unsafe.
What I Checked Before Buying
Before I bought anything, I looked at a few important things:
- Motor voltage: I made sure the new motor matched my battery setup or planned battery upgrade.
- Motor size and fit: I checked whether the motor would physically fit the MX350 frame.
- Mounting compatibility: I looked for motors that could work with the existing chain and sprocket system.
- Controller support: I confirmed that my controller could handle the new motor’s power demand.
- Heat management: I considered whether the motor could handle longer rides without overheating.
Choosing the Right Motor Power
In my experience, the power rating matters a lot. If I wanted only a mild improvement, I would choose a modest upgrade that keeps the bike easy to control. If I wanted a big jump in speed and torque, I would look at a stronger motor, but I would also need to upgrade the battery, controller, and possibly the chain. I learned that going too powerful without supporting parts can cause poor performance and early wear.
Battery and Controller Compatibility
One of the biggest mistakes I almost made was focusing only on the motor. I realized that the battery and controller are just as important. If my battery cannot supply enough current, the motor won’t perform properly. If the controller is too weak, it can overheat or fail. I always recommend checking the full system, not just the motor itself.
Chain, Sprocket, and Drivetrain Considerations
After looking at motor options, I also checked the drivetrain. A stronger motor can put extra stress on the chain and sprockets. I made sure the chain was in good condition and that the sprocket sizes would give me the kind of acceleration or top speed I wanted. For me, a balanced setup worked better than chasing speed alone.
Build Quality and Brand Reputation
I paid close attention to build quality. A cheap motor might look attractive at first, but I found that reliable brands usually offer better durability and support. I looked for motors with solid reviews, clear specifications, and good customer feedback. That gave me more confidence that the upgrade would last.
Installation Difficulty
I also thought about how hard the motor would be to install. Some upgrades are simple bolt-on replacements, while others require wiring changes, custom brackets, or extra tuning. Since I wanted a smoother experience, I preferred options that matched the Razor MX350 as closely as possible. If I had to do major modifications, I knew I would need more time and tools.
Safety First
Whenever I think about a motor upgrade, safety is always part of my decision. A faster bike can be more fun, but it also needs better brakes, proper tire condition, and careful riding habits. I made sure not to ignore safety just because I wanted more power. For me, a good upgrade is one that improves performance while keeping the ride controlled.
My Final Buying Advice
If I were buying a motor upgrade for my Razor MX350 again, I would choose a setup that matches my riding style, battery capacity, and mechanical skill level. I would not buy based on horsepower alone. Instead, I would look for the best balance of power, compatibility, durability, and safety. That approach gave me the best results and helped me avoid expensive mistakes.
Final Thoughts
Upgrading the motor on my Razor MX350 can make a big difference in speed, torque, and overall riding performance. I’ve found that choosing the right motor and making sure it’s compatible with the rest of the bike is the key to getting the best results. My main takeaway is that a well-planned upgrade can turn a stock ride into something much more exciting, but it’s important to balance power with safety and battery life.
Author Profile
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Elliot Mercer is the writer behind firstunitedethanol.com, based in Macon, Georgia. Years around stockrooms, shelves, delivery carts, and practical customers shaped the way he looks at everyday products.
He pays attention to how things hold up in real use, especially around the home, garage, yard, car, and daily routine. Heat, rain, storage, weak handles, confusing instructions, and cheap materials are the kinds of details he notices before recommending anything.
Through firstunitedethanol.com, Elliot shares honest first-person product thoughts based on use, comparison, research, and ordinary needs. His goal is to help readers understand what is worth buying, what is only almost useful, and what may become one more thing to deal with.
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