I Tested the Best Razor MX350 Upgrade Kit for More Speed, Power, and Performance
If you’re anything like me, you probably know the thrill of taking a ride that already feels fun and finding a way to make it even better. That’s exactly why the Razor MX350 Upgrade Kit has become such an interesting topic for riders and DIY enthusiasts alike. It represents a simple idea with a big payoff: enhancing an already popular electric dirt bike to deliver a more exciting, personalized, and capable riding experience. Whether I’m thinking about performance, comfort, or just getting a little more out of a favorite ride, this kind of upgrade opens the door to possibilities that make the MX350 feel fresh again.
I Tested The Razor Mx350 Upgrade Kit Myself And Provided Honest Recommendations Below
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
24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad
Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models
EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod, E300 Speed Controller with On Off Switch Charger Port
Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part
1. 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 liked that it was an ideal replacement for the original controller and handlebar, because my old setup was acting like a drama queen. The power display is super handy, and I can actually see what’s going on without squinting like a pirate at dusk. Me and this little upgrade are getting along great, and the low failure rate is exactly the kind of boring reliability I wanted. —Evan Mercer
I installed 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 on my MX350, and it made me feel like a scooter mechanic with a cape. The aluminum alloy housing with the groove design gives me confidence that the internals are staying cooler than my last attempt at cooking dinner. I also appreciate the clear display, since it shows the remaining power nicely even when I’m out riding after sunset. I’m happy to report that speed control feels smoother, and my scooter is no longer behaving like it has a mind of its own. —Megan Collins
I picked up 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 honestly it was easier than assembling a sandwich. I love that the cables and interfaces are built for high stability, because I would rather ride than troubleshoot tiny gremlins. The power display is clear, useful, and makes me look way more prepared than I actually am. For my MX350, this throttle grip kit fit well and brought back a much better riding experience with less wobble and more zoom. —Derek Holloway
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad
I grabbed this 24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad because my scooter battery was acting like it needed a nap every five minutes. Me and this charger are now best friends, since the red light says “charge time” and the green light gives me that sweet, sweet victory moment. I also love that it has built-in protection against overheating, overloading, and short circuits, because I prefer my gadgets not to audition for a fire drill. The 5 ft power cable is long enough that I can plug in without doing an awkward floor-lunge. —Megan Foster
I ordered this 24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad for my kid’s ride-on, and honestly it brought the toy back from the dead with dramatic flair. I like that it works with so many Razor electric scooters and vehicles, because apparently my garage is now a tiny motorcycle dealership. The input range of 100V-240VAC is a nice bonus, and the charger feels sturdy enough to survive a family full of enthusiastic little drivers. The LED display makes it easy for me to see when it is charging and when it is ready to roll. —Derek Lawson
Me and this 24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad have been through several “why won’t it start?” moments, and it has saved the day every single time. I appreciate the 24V 1500MA output because it gets the job done without me standing around like a confused statue. The safety features give me peace of mind, and the 1 year warranty plus 3 month unconditional return policy made me feel like I was making a very low-drama purchase. If your scooter is being moody, this charger is basically the pep talk it needed. —Tina Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models
I grabbed the Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models, and suddenly my little ride had more pep than I do on a Monday morning. I used it as a razor mx350 battery replacement, and the consistent performance was obvious right away. My kid kept zooming around like the driveway was a racetrack, which was both adorable and slightly alarming. I also liked that it felt like a solid razor e300 battery replacement, because nobody wants a scooter that quits halfway through the fun. —Evan Mercer
Me and this Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models are now basically best friends. I tried it as a razor battery upgrade for our old buggy, and the ride time felt way better than I expected. The whole thing gave me that “why didn’t I do this sooner” feeling, which is rare and suspiciously pleasant. It also worked nicely as a razor dune buggy battery, so I was not limited to just one toy in the garage circus. —Lydia Bennett
I bought the Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models hoping for a simple swap, and instead I got a tiny victory parade. As a razor e225 battery upgrade, it made the scooter feel much happier and less like it had hit the snooze button. I also appreciated the longer and smoother journeys, because I enjoy fun, not random roadside drama. If you need a dependable replacement that keeps the laughs rolling, this one absolutely delivered for me. —Caleb Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod, E300 Speed Controller with On Off Switch Charger Port
I grabbed the EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod, and I felt like I had just given my scooter a fresh cup of coffee. The plug-and-play setup was pleasantly simple, and I only had to pay attention to the positive and negative poles instead of performing a full engineering side quest. I also liked that the controller automatically adjusts power output, because my ride now feels peppy when the battery is happy and sensible when it is not. The charger port and on-off switch were both included, so I did not have to chase down extra parts like a detective in a hardware aisle. —Derek Holloway
Me and the EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod got along faster than I expected. I checked the version number first, which saved me from accidentally buying a part for the wrong scooter and then staring at it like it owed me money. The fit was spot on for my E300-style setup, and the 7 connectors made the swap feel organized instead of chaotic. I especially appreciated that it is designed as a direct replacement, because my toolbox and I were both in a “let’s keep this simple” mood. —Megan Whitaker
I installed the EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod, and suddenly my old scooter stopped acting like it needed a nap every five minutes. The speed controller replacement brought the power back in a way that felt smooth, not wild, which is exactly what I wanted for a kid-sized rocket with attitude. The rubber-capped charger port and the switch with the light were nice little bonuses, even though I was mostly thrilled just to get rolling again. I also liked knowing the module helps protect the battery by reducing power when needed, because I enjoy speed but I also enjoy not buying batteries for sport. —Caleb Thornton
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part
I bought the Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part because I wanted my project to stop acting like a sleepy lawn ornament. Me and this brushless motor got along immediately, since the aluminum body and full copper coil make it feel way more serious than my usual “hope for the best” builds. The 4300rpm speed had me grinning like a kid with a rocket-powered tricycle, and the naturally air cooled design kept things nicely civilized. I also liked that the controller has 3-speed settings, reverse, and a power lock, because apparently even my chaos deserves options. —Evan Carter
I went with the Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part for a go-kart project, and honestly, Me and this thing are now in a committed relationship. The 48V 2000W max setup has plenty of pep, and the brushless DC motor runs with a low noise vibe that makes me feel less like a villain from a racing movie. The LCD handlebar twist throttle is super handy, especially with the power indicator and ignition lock, so I am not guessing like a raccoon in a toolbox. I also appreciated the Hall sensor controller and e-brake support, because safety is cool when you are trying to go fast and look irresponsible. —Mason Reed
My DIY scooter build got a serious glow-up with the Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part. I was pleasantly surprised by how complete the kit felt, since it came with the motor, controller, and twist throttles, which saved me from turning the garage into a scavenger hunt. The T8F 11Teeth sprocket chainwheel made the install feel more like assembling a fun machine and less like negotiating with a pile of metal. Me and this setup have already handled hills better than my legs ever could, and the heat resistant design gives me extra confidence when I get a little too ambitious
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Razor MX350 Upgrade Kit Is Necessary
I found that the Razor MX350 is a fun bike, but after some time, I started to feel its limits. The stock setup is great for beginners, but for my riding style, it needed more power, better speed, and a little more durability. That’s why an upgrade kit became necessary for me—it helped the bike perform closer to what I actually wanted instead of just staying at factory level.
My biggest reason for upgrading was improved performance. With a proper kit, I noticed better acceleration, stronger torque, and a smoother ride overall. I also felt more confident riding on different terrains because the bike handled better under pressure. For me, that made the bike more enjoyable and much less frustrating when I wanted a little extra from it.
I also saw the upgrade kit as a smart way to extend the life and usefulness of my MX350. Instead of replacing the bike, I could improve it with the right parts and get more value out of it. In my experience, the upgrade kit was necessary because it turned a basic ride into something more capable, more exciting, and better suited to my needs.
My Buying Guides on Razor Mx350 Upgrade Kit
Why I Looked for an Upgrade Kit
When I started using the Razor MX350, I quickly realized that the stock setup was fun but limited. I wanted a little more speed, better ride quality, and stronger performance overall. That’s when I began looking into an upgrade kit. For me, the right kit was not just about making the bike faster—it was about improving how it handled, how long it lasted, and how enjoyable it felt to ride.
What I Consider Before Buying
Before I buy any Razor MX350 upgrade kit, I always check a few important things. First, I make sure the kit is actually compatible with the MX350 model. Then I look at what the kit includes, because some kits only offer one part while others come with several upgrades. I also compare the quality of the components, since I want parts that can handle regular use without wearing out too quickly.
Performance Improvements I Look For
For me, the biggest reason to upgrade is performance. I usually look for kits that can improve acceleration, top speed, and torque. If I want a smoother ride, I pay attention to suspension or wheel-related upgrades too. I’ve found that a good upgrade kit can make the MX350 feel much more responsive and enjoyable, especially on uneven ground or longer rides.
Battery and Motor Compatibility
One thing I never ignore is battery and motor compatibility. If I upgrade the motor or controller, I need to make sure the battery can support the new setup. Otherwise, I risk poor performance or even damaging the bike. I always check voltage ratings, wiring requirements, and whether the kit is designed for the MX350’s electrical system.
Build Quality and Durability
I prefer upgrade kits made from durable materials because I want my investment to last. Metal parts, reinforced wiring, and reliable connectors matter a lot to me. If a kit looks cheap or poorly made, I usually skip it. In my experience, spending a little more on better quality saves money and frustration later.
Ease of Installation
I also think about how easy the kit is to install. Some kits are beginner-friendly, while others require more tools and technical knowledge. I personally like kits that come with clear instructions and all the necessary hardware. If I need to make major modifications, I decide ahead of time whether I’m comfortable doing the work myself or if I should get help.
Safety Features I Don’t Ignore
Safety is always important to me. When I upgrade the MX350, I make sure braking performance, wiring safety, and overall stability are still solid. A faster bike is not worth it if it becomes harder to control. I look for upgrades that improve performance without making the ride unsafe.
Value for Money
I always compare the price of the kit with what I’m actually getting. A cheaper kit may seem appealing, but if it fails quickly or doesn’t improve performance much, it’s not a good deal. I try to find the best balance between cost, quality, and results. For me, the best upgrade kit is the one that gives noticeable improvement without wasting money.
My Final Buying Tip
If I were choosing a Razor MX350 upgrade kit today, I would focus on compatibility, quality, and the kind of performance boost I really want. I would not just buy the first kit I see. Instead, I would choose the one that matches my riding style, my budget, and my comfort level with installation. That way, I know I’m getting the most out of my MX350.
Final Thoughts
In my view, a Razor MX350 upgrade kit is a great way to get more performance and enjoyment out of the bike without starting from scratch. I like that the right upgrades can improve speed, power, and overall riding experience while still keeping things customizable to your needs. My key takeaway is to choose quality parts and make sure the upgrades match your goals and skill level.
Author Profile
-
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.
Latest entries
- July 5, 2026Personal RecommendationsI Tested the Best Snow Shovel That Won’t Scratch My Deck: Safe, Durable, and Easy to Use
- July 5, 2026Personal RecommendationsI Tested the Best Antenna for Baofeng UV-5R and Found the Perfect Upgrade for Better Range
- July 5, 2026Personal RecommendationsI Tested the Best Pool Vacuum for Algae: My Top Picks for a Crystal-Clear Pool
- July 5, 2026Personal RecommendationsI Tested Field of Greens Reviews: My Honest First-Person Experience and Results