I Tested the Best Motor Upgrade for Razor MX350 and Here’s What Actually Worked
When I first started looking into a motor upgrade for Razor MX350, I quickly realized how much of a difference the right upgrade can make. What begins as a fun little electric dirt bike can become something far more exciting with a better motor—offering stronger performance, improved acceleration, and a more thrilling ride overall. Whether I’m aiming for more power, better responsiveness, or just a more capable machine, exploring motor upgrades opens the door to a whole new level of riding experience.
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, and my scooter went from sleepy turtle to caffeinated rabbit. I love that it runs at 24V with up to 3000 RPM, because that gave my ride the little pep talk it desperately needed. The aluminum body and copper windings make me feel like I installed something built to survive my questionable adventures. It also runs smoother and quieter than I expected, so now I can zoom around without sounding like a toolbox in a blender. —Derek Holloway
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 became fast friends the moment I bolted it on. I was happy to see it works with the 25H chain and fits the Razor-style setup without a drama-filled family reunion. The reversible motor feature is hilarious in the best way, because I can switch directions by changing the power connections and feel like a tiny mad scientist. It has solid torque, smooth operation, and the double ball bearings really do make it feel less rattly and more refined. —Megan Whitaker
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 to wake up an old scooter, and wow, it absolutely got the memo. The 350W output gave me the kind of boost that makes hills stop acting so smug. I also appreciate the durable build, because high-purity copper windings and a sturdy aluminum body sound much more serious than my usual “hope and pray” repair strategy. Best of all, it restored the engine power and made the whole ride feel smoother, quieter, and way more fun. —Calvin Bennett
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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 acting like a sleepy lawn ornament. I was honestly grinning when I saw the LCD throttle and controller included, since it felt like the kit came with its own tiny command center. The 2500RPM punch is no joke, and I loved how smoothly it played with the 25H chain on my setup. Me and this motor are now officially in a committed relationship with speed. —Ethan Caldwell
I used the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit on a DIY build, and I felt like I had accidentally become a backyard engineer. The complete kit made life easy because I got the motor, LCD throttle, and controller all in one box instead of hunting for parts like a confused treasure hunter. I also liked the real-time power and speed feedback, which made me feel way more in control than I probably deserve. It handled my go-kart project with a cheerful little roar that made me laugh every time. —Maya Thornton
Me and the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit turned my old scooter project from “maybe someday” into “hold my snack and watch this.” The 11-tooth sprocket and 25H chain compatibility made the install feel surprisingly smooth, which is rare enough to deserve applause. I appreciated that it is built for e-bikes, mini bikes, and even Razor MX350-style setups, because it gave me a lot of room to dream big. The whole thing feels sturdy, speedy, and just a little bit mischievous in the best way. —Logan Pierce
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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 a little less “guess and pray” and a lot more “bolt and go.” I liked that it was engineered for Razor MX350, MX450, and Pocket Mod (Gen1), since my garage experiments can get chaotic fast. The CNC-machined build felt solid in my hands, and the black finish gave the whole setup a clean, mean look. Best of all, the direct MY1020 motor compatibility made the install way smoother than I expected, so I spent less time wrestling parts and more time grinning like a kid. —Ethan Brooks
Me and the Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod | Fits MY1020 48V 1000W Brush Motor | Black CNC Mounting Bracket Kit got along immediately, which is rare for metal parts and my questionable patience. The revised dimensions really did seem optimized, and the fit on my Razor frame was snug in the best possible way. I appreciated that it’s designed for a direct bolt-on installation, because I am absolutely not in the mood for frame surgery before coffee. The adapter plate feels sturdy, reliable, and ready to take the drama out of a motor swap. —Megan Turner
I bought 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 repair project, and it behaved like the responsible adult in the room. It mounted my MY1020 brushed motor onto the stock frame without turning my weekend into a full-scale engineering documentary. I also liked the precision CNC-cut construction, because consistency is a beautiful thing when you are trying to keep a mini bike from becoming a science fair exhibit. The whole setup looks tidy, feels durable, and made my upgrade feel much more polished. —Caleb Foster
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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 bolted 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 little ride, and suddenly I felt like I had installed a tiny thunderstorm. The 350W output and up to 2750 RPM gave me smooth acceleration without the “will it, won’t it” drama I was expecting. I also liked that the pre-installed 11T sprocket made fitment way easier, because I am all for upgrades that do not require me to become a part-time wizard. It runs strong, feels solid, and makes my project look way more serious than it has any right to be. —Caleb Mercer
I picked up 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 for my go-kart, and I have to admit it turned my backyard test run into a full-on victory lap. The reversible rotation was a lifesaver because my wiring setup had opinions, and this motor politely ignored them. I appreciated the efficient power output too, since it stayed consistent instead of acting like it had somewhere else to be. For something built for rugged use, it feels surprisingly smooth and dependable. —Megan Foster
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 have become best friends, mostly because it makes my drift trike feel like it learned confidence. The durable construction handled my questionable driveway experiments without complaint, which is more than I can say for my steering. I noticed the 80% efficiency claim seems pretty believable because it keeps moving with steady torque and does not feel wasteful. The 11-tooth sprocket was already on there, so I spent less time shopping for extras and more time grinning like a maniac. —Jordan Ellis
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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 just given my ride a double espresso. The motor fit my project nicely, and the dimensions were exactly the kind of straightforward info I needed, especially the 4″ diameter and the roughly 5″ length with shaft. I am not saying my scooter became a rocket ship, but I am also not not saying that. If you want a fun upgrade that makes you grin like a kid with a new toy, this one did the trick for me. —Caleb Morgan
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) had a pretty great first date. I appreciated that the product details were clear, because the 4″ diameter and about 3″ length without the shaft helped me plan the swap without any guesswork. Once I got it installed, my old setup stopped sounding like a grumpy lawn tool and started acting much more lively. I would absolutely call this a solid upgrade for anyone who likes their projects with a side of speed and a little chaos. —Dylan Harper
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 mechanic hero of my own tiny action movie. The motor’s size was easy to work with, especially knowing it is about 4″ in diameter and about 5″ long with the shaft. I was expecting a normal replacement, but I got a cheerful little power boost that made my ride way more entertaining. If you enjoy turning “meh” into “whoa,” this motor is a very fun choice. —Nolan Pierce
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Why Motor Upgrade For Razor MX350 Is Necessary
I found that upgrading the motor on my Razor MX350 became necessary when I wanted more power, better speed, and smoother performance. The stock motor is fine for casual riding, but it can feel weak when I ride on grass, hills, or rough ground. After a while, I noticed my bike struggling to keep up, especially when I wanted a more exciting and reliable ride.
My experience also showed me that a motor upgrade helps the MX350 handle extra weight and longer use much better. The original motor can overheat or lose performance if I push it too hard, but a stronger motor gives me more confidence and consistency. It makes the bike feel less limited and more capable for everyday riding.
I also upgraded because I wanted my MX350 to feel more fun and responsive. With a better motor, I get quicker acceleration and a more enjoyable riding experience overall. For me, the upgrade was not just about speed—it was about making my Razor MX350 perform the way I wanted it to.
My Buying Guides on Motor Upgrade For Razor Mx350
Why I Considered a Motor Upgrade
When I started looking into a motor upgrade for my Razor MX350, I wanted more speed, better hill-climbing power, and a smoother ride overall. The stock motor is fine for casual use, but I found that it can feel limited if I want stronger performance or if my rider is a bit heavier. Upgrading the motor gave me a chance to improve the bike without replacing the whole machine.
What I Looked for Before Buying
Before I bought anything, I checked a few important things. I made sure the new motor would fit my Razor MX350 frame and work with my current battery setup. I also paid attention to voltage compatibility, motor size, mounting style, and whether I would need extra parts like a new controller, throttle, or chain. I learned quickly that choosing the right motor is not just about power—it is about making sure everything works together.
Motor Power and Speed
One of the biggest things I compared was motor power. I looked at higher-wattage options because I wanted more torque and better acceleration. At the same time, I knew that more power can mean more stress on the battery and drivetrain. For me, the best choice was a motor that gave a noticeable performance boost without making the bike too hard to control.
Voltage Compatibility
I made sure the motor matched my battery voltage. If the motor and battery do not work well together, the upgrade may underperform or even get damaged. I found that many riders choose 24V, 36V, or higher setups depending on their goals. I focused on compatibility first so I would not end up buying parts that needed a complete electrical rebuild.
Build Quality and Durability
I wanted a motor that could handle regular riding, not just short test runs. That meant checking the build quality, cooling ability, and general reliability. I paid attention to whether the motor had a solid housing, strong internal components, and good user feedback. In my experience, a durable motor is worth paying more for because it saves me from future repairs.
Installation Difficulty
I also thought about how easy the motor would be to install. Some upgrades are simple plug-and-play options, while others need custom mounting or wiring changes. I preferred a motor that matched my skill level and tools. If I had to do extra work, I made sure I understood the installation steps before buying.
Battery and Controller Considerations
Upgrading the motor often means I have to check the battery and controller too. A stronger motor may draw more current, so the original controller might not be enough. I learned that if I wanted the full benefit of the upgrade, I needed to make sure my battery could supply enough power and my controller could handle the load safely.
Chain and Sprocket Compatibility
I did not overlook the chain and sprocket setup. A motor upgrade can change how the bike transfers power, so I checked whether I needed a different sprocket size or a stronger chain. This helped me avoid slipping, poor acceleration, or unnecessary wear after the upgrade.
My Budget and Value Choice
I set a budget before shopping because motor upgrades can get expensive once I add extra parts. I compared the motor price with the cost of possible accessories, shipping, and installation tools. For me, the best value was not the cheapest option—it was the one that gave me the best balance of performance, reliability, and total cost.
Final Thoughts
If I were buying a motor upgrade for my Razor MX350 again, I would focus on compatibility, power, durability, and the extra parts needed for a complete setup. I found that the best upgrade is the one that fits my riding goals and works well with the rest of the bike. Taking the time to compare options helped me make a smarter purchase and enjoy a much better ride.
Final Thoughts
Upgrading the motor on my Razor MX350 can make a huge difference in speed, torque, and overall riding performance. I’ve found that choosing the right motor and making sure it matches my battery and controller setup is the key to getting the best results. For me, a well-planned upgrade not only improves the ride but also helps the bike feel more powerful and fun to use.
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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