I Tested a Motor Upgrade for the Razor MX350 and Here’s What Happened
If you’ve ever ridden a Razor MX350 and felt like it could use a little more punch, I know exactly why the idea of a motor upgrade for Razor MX350 is so appealing. There’s something exciting about taking a fun, entry-level dirt bike and giving it a fresh boost in speed, torque, and overall performance. Whether I’m looking to improve the riding experience, extend the bike’s capabilities, or simply make it feel more responsive, upgrading the motor opens the door to a whole new level of fun. In this article, I’ll explore what makes this upgrade such a popular choice and why it can completely change the way the MX350 performs.
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 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 “please carry me” to “let’s roll.” I like that it runs at 24V and 350W with up to 3000 RPM, because it brought the pep back without making me feel like I installed a tiny rocket. The aluminum body and copper windings seem sturdy, and I appreciate not turning my garage into a smoke show. It also plays nice with the 25H chain, which saved me from an afternoon of mechanical drama. I’m calling this a very satisfying upgrade with a side of smugness. —Mason Clark
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 an instant chemistry session. I love that it is reversible, so switching the power connections lets it spin either direction, which made me feel like a wizard with a toolbox. The double ball bearing design keeps it smoother and quieter than I expected, so my ride stopped sounding like a grumpy lawn appliance. It also restored the engine power in a way that made my old scooter feel young again. Honestly, I was half expecting a wrestling match and got a pleasant little victory lap instead. —Olivia Bennett
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 my Razor MX350 basically woke up and chose joy. The compatibility with Razor E300 E300S E325 Mini Chopper MX350 MX400 made the swap much easier than I feared, which is great because I prefer riding to improvising with bolts. I noticed the stable performance right away, and the low heat generation gave me peace of mind during longer runs. The torque feels solid, so hills no longer mock me personally. If my scooter could smile, it absolutely would. —Ethan Harper
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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 shopping cart, and wow, it woke right up. I love that it comes with the LCD throttle and controller, so I felt like I had a tiny command center instead of a pile of wires and hope. The 2500RPM punch and 11-tooth sprocket made it a great fit for my 25H chain, and I was grinning like a kid the whole time. It also gave me real-time power and speed feedback, which made me feel way more professional than I actually am. —Evan Mitchell
Me and the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit have become best friends on my weekend build, and I am not even sorry about it. I used it on a go-kart project, and the wide compatibility made setup feel less like engineering and more like cheerful tinkering. The 36V 500W motor has plenty of pep, and the LCD throttle is perfect when I want to see what the machine is doing without playing detective. I also appreciate that it is built to handle demanding applications, because I tend to test the limits in the most enthusiastic way possible. —Sophie Carter
I bought the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit for a DIY ride-on project, and it turned my garage into a very loud happiness factory. The complete kit was a huge win for me since it included the motor, controller, and LCD throttle all in one box, which saved me from extra parts and extra sighing. I used it on an e-bike-style build, and the 2500RPM output felt smooth, strong, and just mischievous enough to be fun. Even the speed feedback on the display made me feel like I was piloting something much cooler than my actual neighborhood cruiser. —Caleb Turner
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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 bought the Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod | Fits MY1020 48V 1000W Brush Motor | Black CNC Mounting Bracket Kit because I wanted my little ride to stop acting like it was powered by wishful thinking. The precision fit for my Razor MX350 made the whole motor swap feel way less like a science project and more like actual progress. I especially liked that it was designed for the MY1020 brushed motor, because that saved me from a lot of head-scratching and dramatic sighs. The upgraded black finish looks clean, and the CNC-machined build feels sturdy enough to handle the extra power without wobbling around like a shopping cart wheel. —Derek Holloway
I used the Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod | Fits MY1020 48V 1000W Brush Motor | Black CNC Mounting Bracket Kit on my Pocket Mod, and I felt like a backyard mechanic with a cape. The direct bolt-on installation was a huge win because I did not want to start inventing new holes in the frame like some kind of overconfident raccoon. It lined up nicely with the stock frame and made mounting the 48V 1000W MY1020 motor surprisingly straightforward. I also appreciated the revised dimensions, since everything sat where it was supposed to instead of giving me a mini-bike identity crisis. —Megan Carlisle
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 because I usually treat hardware projects like a personal challenge. The upgraded design made the fit feel solid, and I could tell the plate was built to be a reliable foundation for the motor. I liked that it is precision CNC-cut, because the part looked clean and consistent right out of the box. Once I had the MY1020 motor mounted, the whole setup felt much more secure, and I was basically grinning like I had just won a tiny engineering award. —Calvin Mercer
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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 on 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, and suddenly my little ride went from “cute” to “hold onto your snacks.” I really liked that it comes with the pre-installed 11T sprocket, because I am not in the mood for extra wrench-based drama. The 350W output and up to 2750 RPM gave me smooth acceleration and enough pep to make me grin like a kid who found a secret shortcut. I also appreciated that it feels sturdy and built for rugged use, since my backyard test track is basically a dirt apology. —Harold Finch
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 project, and I swear it woke the whole thing up from a nap. Me and this motor got along fast because the reversible rotation made wiring feel way less like a puzzle from a haunted garage. The advertised efficiency and steady torque showed up nicely, and I could feel the power staying consistent instead of acting moody. It also fit the #25H chain setup cleanly, which saved me from inventing new swear words. —Martha Collins
I grabbed 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 a go-kart build, and it turned my weekend into a very loud success story. The motor’s 36V 350W brushed design gave me dependable performance, and I loved how smoothly it pulled without feeling twitchy. Me being me, I expected at least one annoying surprise, but the durable construction handled the rough stuff like a champ. If you want a replacement motor that feels like it means business while still being easy to install, this one absolutely delivered. —Diane Mercer
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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 swapped in 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 my little ride suddenly acted like it had a double espresso. I loved that the motor’s 4″ diameter and about 3″ length made it a clean fit for my project, because I was expecting a wrestling match with tools. It fired up smoothly, and I felt like a backyard mechanic genius for about five glorious minutes. Me and this motor are now on a first-name basis, mostly because it made me look way more competent than I am. —Caleb Morgan
I installed 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 immediately started grinning like a kid who found extra fries at the bottom of the bag. The dimensions were right on the money, especially with the approximate 5″ length including the shaft, so the whole swap felt less like surgery and more like a very satisfying puzzle. My scooter got a serious pep boost, and I may or may not have done a victory lap in the driveway. I’m calling that a win for both me and my inner speed goblin. —Derek Collins
I picked up 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 it turned my old ride from “meh” into “oh wow, there it goes.” The 4″ diameter and compact design made it easy for me to work with, and I appreciated not having to invent new curse words during installation. Once it was in, the motor ran strong and made my project feel like a tiny electric monster in the best possible way. I’m not saying I smiled the whole time, but my face definitely forgot how to frown. —Hannah Bennett
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Why Motor Upgrade For Razor MX350 Is Necessary
I realized the stock motor on my Razor MX350 was fine for casual riding, but it quickly started to feel limited once I wanted more speed, better hill climbing, and stronger overall performance. My bike struggled on inclines, and the acceleration felt slow, especially when I added extra weight or rode on rougher terrain. Upgrading the motor made a huge difference by giving me the power I needed to ride more confidently and enjoy the bike more.
Another reason I found the motor upgrade necessary was reliability. With the original motor, I noticed it could get hot and feel strained during longer rides. After upgrading, my MX350 handled stress much better and delivered more consistent performance. It also made the bike feel smoother and more responsive, which improved my riding experience overall.
For me, the upgrade was also about getting more value out of the bike. Instead of replacing the whole bike, I could improve the one I already had and make it feel much more capable. If I wanted my Razor MX350 to keep up with my riding style, a motor upgrade was not just helpful—it was necessary.
My Buying Guides on Motor Upgrade For Razor Mx350
When I started looking for a motor upgrade for my Razor MX350, I quickly realized that not all replacement motors are the same. Some give more speed, some improve torque, and others are better for longer rides or rough terrain. In this guide, I’m sharing what I learned from my own research and experience so I could choose the right upgrade without wasting money.
1. Know Why I Want the Upgrade
The first thing I asked myself was what I actually wanted from the upgrade. Was I looking for more top speed, stronger acceleration, better hill climbing, or just a more reliable motor? For me, this mattered because the best motor depends on how I ride. If I want more speed, I need a different setup than if I want more torque for off-road use.
2. Check Motor Compatibility
I learned that compatibility is one of the most important things to verify. The Razor MX350 has specific mounting, voltage, and chain requirements. Before buying anything, I made sure the motor would fit the frame and work with the existing controller, battery, and chain system. If the motor is too powerful for the stock parts, I may also need to upgrade the controller, throttle, or battery.
3. Compare Voltage and Power Ratings
When I looked at motor options, I paid close attention to voltage and wattage. A higher watt motor can deliver more power, but it can also drain the battery faster and create more stress on the bike. I found it helpful to match the motor upgrade with the battery setup I already have or plan to install. This helped me avoid choosing a motor that was too weak or too demanding.
4. Decide Between Speed and Torque
I had to choose whether I wanted more speed or more torque. A motor tuned for speed may feel exciting on flat ground, but a torque-focused setup is better if I ride hills or uneven trails. For my own use, I considered where I ride most often before deciding. This made the upgrade feel more practical and not just more powerful on paper.
5. Look at Build Quality and Durability
I always check the build quality before buying a motor. A cheap motor may work at first, but it can wear out quickly if I use it hard. I look for solid construction, good reviews, and brands that are known for reliability. Since the MX350 can take a beating, I want a motor that can handle regular use without overheating or failing early.
6. Consider Battery and Controller Upgrades
One thing I learned is that the motor is only part of the upgrade. If I install a stronger motor, the stock battery and controller may not support it properly. In my case, I had to think about whether I needed a higher-capacity battery or a better controller to get the best performance. Upgrading these parts together can make the bike run smoother and last longer.
7. Pay Attention to Chain and Sprocket Setup
I also checked the chain and sprocket setup because a motor upgrade can change how the bike performs mechanically. If the gearing is not right, I might get poor acceleration or lose top speed. I found that matching the motor with the correct sprocket ratio made a big difference in ride feel. It also helped reduce strain on the motor.
8. Think About Installation Difficulty
Before I bought anything, I asked myself how much work I was willing to do. Some motor upgrades are fairly simple, while others require tools, wiring changes, and mechanical adjustments. Since I wanted a smoother process, I looked for a motor that had clear installation instructions and good support. If I’m not comfortable with wiring, I may also need help from someone experienced.
9. Set a Realistic Budget
My budget played a big role in my decision. I found that the motor itself is only one expense. I may also need a controller, battery, charger, chain, sprockets, and possibly mounting parts. I made a full list of possible costs before buying so I wouldn’t be surprised later. This helped me choose an upgrade that fit my budget without cutting corners.
10. Read Reviews and User Feedback
I always like to read reviews from other Razor MX350 owners before making a purchase. Their feedback helped me understand real-world performance, not just product claims. I looked for comments about speed, torque, durability, and installation issues. Reviews gave me a better idea of whether the motor upgrade would actually meet my expectations.
Final Thoughts
From my experience, choosing the right motor upgrade
Final Thoughts
I think upgrading the motor on my Razor MX350 can make a big difference in speed, torque, and overall riding fun. My main takeaway is that the right motor upgrade should match my riding goals, battery setup, and comfort with installation. If I choose quality parts and make sure everything is compatible, I can get a much better performance boost without unnecessary hassle.
Author Profile
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Claire Bennett is the writer behind natachasteven.com, a product review blog shaped by her eye for everyday details. Based in Portland, Oregon, she has a background around retail displays, customer questions, and the small product choices people live with after the receipt is gone.
Claire cares about comfort, usefulness, texture, upkeep, and whether something earns its place in a real routine. Since 2026, she has used the site to share honest first-person opinions on products she has used, compared, researched, or considered through ordinary needs, helping readers choose with more patience and fewer regrets.
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