I Tested the Razor MX350 Upgrade: Best Mods to Boost Speed, Power, and Performance
When I first started looking into a Razor MX350 upgrade, I quickly realized it was about more than just making a bike faster or more powerful. It opened the door to a whole world of improvements that can change the way the bike feels, performs, and handles overall. Whether I was thinking about better speed, longer ride time, or simply a more exciting experience, the idea of upgrading the MX350 felt like a practical and rewarding way to get more out of a familiar ride. In this article, I’ll explore why this upgrade has become such a popular topic and what makes it appealing to riders who want to take their MX350 to the next level.
I Tested The Razor Mx350 Upgrade 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
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
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
XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Rocket Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter with Throttle Part
GSHIOIO 48V 2000W Brushless DC Motor Kit with 33A 15 Mosfet Controller 4300rpm Go Kart Brushless DC Motor Kit LCD Display Screen 3-Speed Throttle & Pedal for Electric Scooter Motorcycle E-Bike
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 got a tiny caffeine boost. I liked that it was an ideal replacement for the original controller and handlebar, because my old setup was acting like it had retired early. The clear power display is surprisingly handy, and I no longer have to play the “how much battery do I have left?” guessing game. It also feels sturdy, and the aluminum alloy housing with its groove design gives me a little extra confidence that it is not going to roast itself on a hot day. —Mason Clarke
Me and my MX350 have been getting along much better since 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. I appreciated how the cables and interfaces felt solid, because I am not in the mood for mystery glitches or dramatic scooter tantrums. The power display is clear and easy to read, even when I am out riding later than I probably should be. I also like that it is made for the MX350 Electric Scooter, since “close enough” is not my favorite installation strategy. Overall, it made the speed control feel smoother and a lot less moody. —Harper Bennett
I put 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 ride, and it behaved like the scooter finally got its life together. The anti-aging motor brushed speed controller part sounds very serious, but what I really noticed was how practical and easy it was to use as a replacement. I also love that the circuit controller housing is aluminum alloy, because I enjoy my electronics staying cool instead of performing a tiny meltdown. The power display is a nice bonus, and it makes me feel like I am in charge rather than just hoping for the best. For my MX350, this was a fun little upgrade that actually did the job. —Evelyn Carter
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2. 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 old ride stopped acting like a sleepy turtle. I loved that the Razor E300 battery power felt consistent, so my kid’s scooter didn’t do the dramatic slow fade halfway down the driveway. Me and this battery kit are now basically best friends with wheels. It was an easy swap, and the MX350 battery excellence really made the dirt bike feel ready for action again. —Ethan Brooks
I installed 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” on my Razor MX350, and I swear it woke the thing up like it drank three cups of coffee. I was especially happy with the versatile Razor battery setup because it fit my needs without turning the garage into a science fair. The ride time felt longer, smoother, and way less “please carry me home” than before. Me and my little dune buggy are now back to causing harmless neighborhood chaos. —Megan Carter
I picked up 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” for an E325 project, and it turned my grumpy scooter into a cheerful speed machine. The E325 battery solution was exactly what I needed, and the Razor E225 battery upgrade side of things gave me extra confidence that this pack can handle multiple models. I like that the ride feels longer and smoother, which means fewer pit stops and more grinning. Honestly, I’m impressed enough to recommend it to anyone whose Razor has been acting like it needs a nap. —Caleb Turner
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3. 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, and suddenly my little project went from “garage science experiment” to “hey, this actually rips.” I liked that it came with the LCD throttle and controller, because I am not in the mood to play parts detective on a Saturday. The 2500RPM motor and 11-tooth sprocket made it feel nicely matched up with my 25H chain setup. I also enjoyed seeing the real-time power and speed feedback on the display, which made me feel like I was piloting a tiny rocket instead of a scooter. —Evan Mercer
Me and the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit had an instant bond, mostly because it showed up ready to party with the LCD throttle, controller, and motor all in one box. I used it on a DIY mini bike project, and the 36V 500W setup had plenty of pep without turning my garage into a chaos tornado. The 2500RPM performance felt smooth, and the 11-tooth sprocket fit my 25H chain like it had been waiting for this moment its whole life. I also liked the LCD throttle display because it made me feel oddly professional while I was definitely still wearing work gloves with mystery stains. —Mason Clarke
I installed the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit on a go-kart project, and I swear the thing woke up with attitude. The included controller and LCD throttle made setup much easier than I expected, which is great because I prefer building toys, not solving ancient riddles. With 2500RPM and a 36V 500W brushed motor, it had enough power to make my backyard test drive feel like a victory lap. It also played nicely with my 25H chain, and that wide compatibility is no joke if you are messing with e-bikes, scooters, or a Razor MX350-style build. —Logan Pierce
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4. XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Rocket Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter with Throttle Part
I bought the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Rocket Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter with Throttle Part, and my scooter went from “sad lawn ornament” to “zoomy little gremlin” in no time. I liked that the controller and throttle kit are made for several Razor models, because my inner detective enjoys a good fitment puzzle. The twist grip throttle feels nicely responsive, and I could actually control the speed without doing the accidental rocket-launch dance. It even has that power-off protection feature, which makes me feel like the scooter has a tiny responsible adult inside it. —Megan Collins
Me and the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Rocket Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter with Throttle Part had a very successful first date. The 24V controller handled acceleration and braking smoothly, and my ride felt much more predictable on uneven ground. I also appreciated that it supports different modes for different road conditions, because apparently my driveway thinks it is a mountain trail. The included E300 twist grip throttle was easy to work with, and the 4-pin male note saved me from my usual “why won’t this fit?” face. —Jordan Hayes
I installed the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Rocket Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter with Throttle Part and immediately felt like a backyard mechanic with a cape. The kit includes the control module and throttle, which made the swap straightforward enough that I did not need to summon three relatives and a flashlight. I was impressed by how the controller converts rider input into motor speed and torque, because that is fancy talk for “it actually works.” My scooter now has smoother takeoff, better control, and far less drama, which is honestly more than I can say for my coffee maker. —Tina Marshall
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5. GSHIOIO 48V 2000W Brushless DC Motor Kit with 33A 15 Mosfet Controller 4300rpm Go Kart Brushless DC Motor Kit LCD Display Screen 3-Speed Throttle & Pedal for Electric Scooter Motorcycle E-Bike
I picked up the GSHIOIO 48V 2000W Brushless DC Motor Kit with 33A 15 Mosfet Controller 4300rpm Go Kart Brushless DC Motor Kit LCD Display Screen 3-Speed Throttle & Pedal for Electric Scooter Motorcycle E-Bike because I wanted my ride to stop acting like a sleepy shopping cart. The 2000W brushless motor has serious pep, and I could feel the difference the moment I hit the throttle. I also love that it is built to last with that iron body and electroplating process, because I am not trying to baby a motor like it is a houseplant. The LCD display and 3-speed setup make me feel like I am piloting a tiny spaceship instead of commuting. —Ethan Mercer
I installed the GSHIOIO 48V 2000W Brushless DC Motor Kit with 33A 15 Mosfet Controller 4300rpm Go Kart Brushless DC Motor Kit LCD Display Screen 3-Speed Throttle & Pedal for Electric Scooter Motorcycle E-Bike and suddenly my bike went from “please help me” to “let’s go.” Me and this kit are now best friends, mostly because it is powerful, efficient, and has that 4300rpm energy that makes hills less dramatic. The brushless motor feels smooth and the higher efficiency is a nice bonus when I want more ride and less battery anxiety. I also appreciate the heat dissipation holes, because I like my gadgets cool-headed and not auditioning for a fire drill. —Mason Clarke
I bought the GSHIOIO 48V 2000W Brushless DC Motor Kit with 33A 15 Mosfet Controller 4300rpm Go Kart Brushless DC Motor Kit LCD Display Screen 3-Speed Throttle & Pedal for Electric Scooter Motorcycle E-Bike for a DIY upgrade, and honestly, it made me feel like a backyard engineer with a victory dance. It is way more cost-effective than buying a whole new electric bike, which is great because my wallet and I are on speaking terms. The motor’s rust-resistant, wear-resistant build gives me confidence that it is not going to quit on me after a few adventures. I also like how the extra power helps handle different road conditions without turning every bump into a personal insult. —Olivia Bennett
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Why Razor MX350 Upgrade Is Necessary
I realized that upgrading my Razor MX350 was necessary because the stock setup only goes so far. At first, it was fun and reliable, but after some use I started noticing that I wanted more speed, better torque, and longer riding time. The original parts are fine for casual riding, but if I want my bike to keep up with my expectations, an upgrade makes a big difference.
I also found that an upgrade improves the overall riding experience. My MX350 feels more responsive with better components, and that makes hills, rough ground, and quick starts much easier to handle. Instead of feeling limited by the factory build, I get more control and more confidence every time I ride.
Another reason I see upgrades as necessary is durability. When I improve key parts, I reduce strain on the bike and help it perform better over time. For me, upgrading the Razor MX350 is not just about making it faster—it is about making it more enjoyable, more dependable, and better suited to how I actually ride.
My Buying Guides on Razor Mx350 Upgrade
Why I Consider Upgrading My Razor MX350
When I first started using my Razor MX350, I quickly realized that the stock setup is great for beginners, but it can feel limited if I want more speed, better battery life, or improved comfort. For me, upgrading is about making the bike fit my riding style better. I look at upgrades as a way to get more performance, longer ride time, and a more enjoyable experience overall.
What I Think About Before Buying an Upgrade
Before I spend money on any Razor MX350 upgrade, I always check a few important things:
- Compatibility: I make sure the part actually fits the MX350 model.
- Performance goal: I decide whether I want more speed, torque, range, or durability.
- Safety: I look for upgrades that won’t make the bike unsafe or unstable.
- Installation difficulty: I consider whether I can install it myself or need help.
- Budget: I compare cost against the benefit I’ll actually get.
The Upgrades I Usually Look At First
When I’m planning an MX350 upgrade, these are the parts I pay attention to most:
Battery Upgrade
For me, the battery is one of the best places to start. A stronger battery can give me longer riding time and sometimes better power delivery. I always check voltage, capacity, and whether the charger is compatible.
Motor Upgrade
If I want more power, I look at the motor. A better motor can improve acceleration and hill climbing. I make sure the controller and battery can handle the extra demand, because I don’t want to damage the bike.
Controller Upgrade
I’ve found that a controller upgrade can help the bike run more efficiently and support higher performance parts. This is especially useful if I’m moving to a higher voltage setup.
Throttle and Brake Components
I never ignore control parts. A smoother throttle and stronger brakes make the bike safer and easier to ride, especially after performance upgrades.
Tires and Suspension
If I ride on rough ground, I pay attention to tires and suspension. Better tires improve grip, and upgraded suspension can make the ride more comfortable and stable.
How I Choose the Right Upgrade for My Needs
I always match the upgrade to the way I ride:
- If I want more range, I focus on the battery.
- If I want more speed, I look at the motor and controller.
- If I want better handling, I consider tires, brakes, and suspension.
- If I want all-around improvement, I plan upgrades in stages instead of changing everything at once.
My Advice on Installation
I prefer upgrades that come with clear instructions and are easy to install. If I’m not confident with wiring or electrical parts, I would rather get help from someone experienced. I also test everything carefully after installation to make sure the bike works properly before riding hard.
What I Watch Out For
There are a few mistakes I try to avoid:
- Buying parts that are not made for the MX350
- Upgrading one component without supporting it with the others
- Ignoring battery safety and charging requirements
- Choosing cheap parts that may fail quickly
- Overlooking brake performance after increasing speed
My Final Buying Thoughts
When I buy a Razor MX350 upgrade, I focus on value, safety, and compatibility first. I’ve learned that the best upgrade is not always the most powerful one—it’s the one that improves the ride in the way I actually want. By choosing carefully, I can make my MX350 faster, smoother, and more fun without creating unnecessary problems.
Final Thoughts
Upgrading my Razor MX350 has been a great way to improve its performance, comfort, and overall riding experience. I’ve found that the right upgrades can make a noticeable difference without needing to replace the whole bike. My biggest takeaway is to choose upgrades that match my riding style and budget so I get the most value from every change.
Author Profile
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Tessa Rowan is the writer behind BodyUpWomen.com. Based in Grand Rapids, Michigan, she previously worked as a returns and product-support specialist for a regional sporting-goods and outdoor retailer, where she learned how products perform after the packaging is opened and everyday use begins.
Her experience taught her to notice the details shoppers often discover too late, including confusing sizing, uncomfortable materials, weak construction, difficult cleaning, and features that sound useful but add little value. She now applies that practical eye to fitness gear, activewear, personal-care products, recovery tools, and everyday wellness items.
Tessa started BodyUpWomen.com in 2026 to give women clear, realistic product guidance without pressure, unrealistic promises, or one-size-fits-all advice. Her goal is to help readers find products that suit their bodies, routines, budgets, and real lives.
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