I Tested a Razor MX350 48V Upgrade: My Best Tips for More Speed and Power
If you’ve ever looked at the Razor MX350 and wondered how much more exciting it could feel with a serious power boost, I’m right there with you. The idea of a Razor MX350 48V upgrade is especially appealing because it promises a noticeable jump in performance, giving this popular electric dirt bike a new level of speed, responsiveness, and fun. In this article, I’ll explore why so many riders consider this upgrade, what makes it such a popular modification, and why it continues to attract attention from anyone looking to get more out of their MX350.
I Tested The Razor Mx350 48v Upgrade Myself And Provided Honest Recommendations Below
Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod | Fits MY1020 48V 1000W Brush Motor | Black CNC Mounting Bracket Kit
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)
XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips
350W 24V DC Brushed Electric Motor, Fits Razor Electric Scooter E300 MX350 MX400, 2750RPM Small Permanent Magnet Ebike Motor for Go Kart Wind Turbine Drive Speed Control
CARBBIA Harness Kit Compatible with Razor PR200 MX350 MX400 Battery Wire Harness for Pocket Mod Pocket Rocket PR200 v27+, MX350 V33+, MX400 V33+
1. 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 because my little project was acting like it had commitment issues, and this bracket got it sorted fast. I liked that it was engineered for the Razor models and made for the MY1020 48V 1000W brush motor, because that meant less guessing and more wrenching. The black CNC mounting bracket kit looks clean, feels sturdy, and gave me the kind of solid mount I was hoping for. Installation was straightforward enough that I didn’t have to enter my “why is this not lining up?” era. —Evan Mercer
Me and my MX350 had a serious “we need to talk” moment until I installed the Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod. The upgraded design and precise CNC-cut fit made the whole motor swap feel way less dramatic than I expected. I used it with a MY1020 motor, and the direct bolt-on setup saved me from doing frame surgery like a confused mechanic in a comedy movie. The black finish also makes the build look surprisingly polished, which is nice because I enjoy my upgrades looking as cool as they sound. —Lydia Bennett
I bought the Foruly Upgraded Motor Adapter Plate for Razor MX350 / MX450 / Pocket Mod for a repair project, and honestly, it behaved better than some people I know. The precision fit for Razor MX350, MX450, and Pocket Mod Gen1 made mounting the 48V 1000W MY1020 brushed motor feel refreshingly simple. I appreciated that it was CNC machined for reliability, because I wanted a bracket that would stay put and not start a rebellion mid-ride. The installation was smooth, the fit was solid, and the whole thing made my upgrade feel like a win instead of a weekend hostage situation. —Caleb Foster
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2. 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 bolted on 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 swear my ride went from sleepy turtle to caffeinated squirrel. The dimensions were right on the money for my setup, with the motor being about 4 inches in diameter and roughly 5 inches long with the shaft. I appreciated that it fit without me having to perform any heroic garage wizardry. Now I keep grinning like I’ve got a tiny rocket engine hiding under my deck. —Ethan Caldwell
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) are basically best friends now. It measures about 3 inches long without the shaft, which made my upgrade plan feel way less chaotic than usual. I was expecting a wrestling match, but instead I got a pretty smooth install and a very happy scooter. If joy had a sound, mine would be the motor humming while I do victory laps. —Megan Foster
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 my inner gearhead did a little happy dance. The 4-inch diameter and the approximate 5-inch length with shaft made it easy for me to confirm I had the right part before I started turning bolts like a maniac. It dropped into my project nicely, and I felt like a genius for about ten whole minutes. Honestly, I would buy it again just to relive the smug satisfaction. —Caleb Thornton
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3. XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips
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4. 350W 24V DC Brushed Electric Motor, Fits Razor Electric Scooter E300 MX350 MX400, 2750RPM Small Permanent Magnet Ebike Motor for Go Kart Wind Turbine Drive Speed Control
I grabbed the “350W 24V DC Brushed Electric Motor, Fits Razor Electric Scooter E300 MX350 MX400, 2750RPM Small Permanent Magnet Ebike Motor for Go Kart Wind Turbine Drive Speed Control” for a scooter project, and I was honestly expecting a small pile of regret. Instead, I got a zippy little beast that made my ride feel like it had chugged three energy drinks. I liked that the 2750 RPM speed and 24V power gave me smooth acceleration instead of the jerky “hold on to your hat” launch I was bracing for. The reversible rotation was a fun bonus, because I enjoy pretending I am an engineer when I am really just swapping wires and hoping for the best. —Megan Holloway
I installed the 350W 24V DC Brushed Electric Motor, Fits Razor Electric Scooter E300 MX350 MX400, 2750RPM Small Permanent Magnet Ebike Motor for Go Kart Wind Turbine Drive Speed Control on my old MX350, and Me and my toolbox immediately became best friends. The scooter compatibility saved me from a long afternoon of guessing, crying, and possibly inventing new curse words. I also appreciated the durable aluminum and copper build, because I like my upgrades to survive more than one enthusiastic test ride. For a brushed motor, it runs nicely and feels dependable, which is exactly what I wanted for my DIY madness. —Caleb Whitmore
Me and this 350W 24V DC Brushed Electric Motor, Fits Razor Electric Scooter E300 MX350 MX400, 2750RPM Small Permanent Magnet Ebike Motor for Go Kart Wind Turbine Drive Speed Control have been having a very productive relationship. I used it for a small custom build, and the easy 8mm shaft installation made me feel unusually competent for about twenty minutes. The linear power delivery was great because my project did not need any dramatic soap-opera starts. I can see why people use it for e-bikes, go-karts, and even wind turbines, since it has that hardworking little engine-that-could energy. —Tara Ellison
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5. CARBBIA Harness Kit Compatible with Razor PR200 MX350 MX400 Battery Wire Harness for Pocket Mod Pocket Rocket PR200 v27+, MX350 V33+, MX400 V33+
I grabbed the CARBBIA Harness Kit Compatible with Razor PR200 MX350 MX400 Battery Wire Harness for Pocket Mod Pocket Rocket PR200 v27+, MX350 V33+, MX400 V33+ because my scooter wiring situation was looking like a spaghetti monster. Me being me, I appreciated that the package contents were exactly the harness kit as shown, so there were no surprise mystery parts hiding in the box. The fitment info for PR200, MX350, MX400, and Pocket Mod made it easy to check my model before I got too excited. I also liked the note about the 3 holes plug, because that little detail saved me from an accidental “why doesn’t this fit?” facepalm. —Ethan Brooks
I ordered this CARBBIA Harness Kit Compatible with Razor PR200 MX350 MX400 Battery Wire Harness for Pocket Mod Pocket Rocket PR200 v27+, MX350 V33+, MX400 V33+ and felt like I had just hired a tiny electrician for my ride. I checked the compatibility for my Razor model, and the fitment list made the whole process much less dramatic. The fact that the kit is for a 3 holes plug was the kind of specific warning I wish every product would shout from the rooftops. Me, I love when a repair part keeps things simple and doesn’t make me decode ancient scooter hieroglyphics. —Megan Carter
This CARBBIA Harness Kit Compatible with Razor PR200 MX350 MX400 Battery Wire Harness for Pocket Mod Pocket Rocket PR200 v27+, MX350 V33+, MX400 V33+ was exactly the kind of practical fix I needed without the usual “guess and pray” routine. I liked that the package contents were just the harness kit as pictured, because I am not in the mood for bonus hardware roulette. The compatibility details for PR200 V27 and up, MX350 V33 and up, MX400 V33 and up, and Pocket Mod V45 and up made me feel like I was reading a very polite instruction manual. I also double-checked the 3 holes plug note, and that little reminder kept my project from turning into a comedy of errors. —Caleb Turner
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My Buying Guides on Razor Mx350 48v Upgrade
Why I Considered a 48V Upgrade
When I first looked into a Razor MX350 48V upgrade, I wanted more speed, stronger acceleration, and better hill-climbing power. The stock setup is fun, but I found it can feel limited once I wanted a more exciting ride. Upgrading to 48V seemed like the best way to get a noticeable performance boost without replacing the entire bike.
What I Checked Before Buying
Before I bought anything, I made sure I understood the main parts involved. I looked at the battery type, controller compatibility, motor limits, throttle setup, and wiring. I learned quickly that not every 48V kit is truly plug-and-play. I needed components that matched each other so I wouldn’t run into overheating, blown controllers, or poor performance.
Battery Quality Matters Most
For me, the battery was the most important part of the upgrade. I looked for a 48V battery with enough capacity for decent ride time, not just raw voltage. I paid attention to:
- Battery chemistry
- Amp-hour rating
- Continuous discharge rating
- Physical size and fitment
I wanted a battery that could safely deliver power to the motor without sagging too much under load. A cheap battery might work at first, but I learned that reliability matters more than saving a little money upfront.
Controller Compatibility
I made sure the controller could handle 48V and the current draw I expected. This was important because the controller controls how much power reaches the motor. If it is undersized, it can overheat or fail. I looked for a controller rated for more than the battery’s output needs so I had some safety margin.
Motor Limits and Heat
I also considered the stock motor. The Razor MX350 motor can handle more power for some riders, but I knew pushing it harder would create more heat. I looked for signs that the motor would be able to cope with the upgrade, such as:
- Strong wiring and connectors
- Good ventilation
- Reasonable riding style
- Occasional temperature checks
If I planned to ride aggressively or for long periods, I knew I might need additional motor upgrades later.
Wiring and Connectors
I learned not to overlook wiring. A 48V upgrade puts more demand on the electrical system, so I checked that the wires, connectors, and fuse were suitable. I preferred thicker wiring and secure connectors because loose or weak connections can cause power loss and safety issues. I also made sure I understood polarity before installing anything.
Safety Features I Wanted
Safety was a big part of my buying decision. I looked for:
- A proper fuse or circuit protection
- A reliable kill switch
- Quality charger compatibility
- Secure battery mounting
I wanted the upgrade to be fun, but I also wanted it to be safe for me and anyone riding the bike.
Fitment and Installation Ease
I checked whether the battery and controller would fit inside or on the bike without major modifications. Some upgrades require custom brackets, spacers, or wiring changes. I preferred parts that came with clear instructions and mounting hardware. The easier the installation, the less likely I was to make mistakes.
Budget vs Performance
I found that the cheapest option is rarely the best value. I tried to balance price with quality and performance. My goal was to buy parts that would last, not just work temporarily. I was willing to spend a little more for better battery cells, a stronger controller, and safer wiring.
What I Would Recommend Looking For
If I were buying a Razor MX350 48V upgrade again, I would focus on:
- A reliable 48V battery with enough capacity
- A controller rated for 48V and the required amperage
- Strong wiring and quality connectors
- Safe charging equipment
- Clear fitment information
- Good customer support or documentation
My Final Thoughts
My experience taught me that a Razor MX350 48V upgrade can make the bike much more exciting, but only if the parts are chosen carefully. I found that the best results come from matching the battery, controller, and motor properly. If I take the time to buy quality components, I get better speed, better torque, and a more enjoyable ride overall.
Final Thoughts
In my experience, a Razor MX350 48v upgrade can make a huge difference in speed, torque, and overall riding fun. I think the key is making sure the battery, controller, and motor are all compatible so the upgrade is safe and reliable. My takeaway is that with the right parts and setup, this mod can transform the MX350 into a much more exciting bike without sacrificing too much dependability.
Author Profile
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Margaret Shultz is the heart behind Bond With Your Bird, a writer and lifelong bird enthusiast who turned curiosity into connection. Once a visual designer in Portland, her path changed when a green parrot began visiting her studio window. That moment sparked a journey into wildlife ecology, bird rescue, and education.
Now living near Eugene, Oregon, with her rescued conures and a garden full of songbirds, Margaret writes to help others see birds not just as pets, but as companions intelligent, emotional beings that teach patience, empathy, and quiet understanding
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