I Tested the Razor MX350 Upgrade: Best Performance Boosts, Battery Mods, and Speed Improvements
If you’re anything like me, the moment you start riding a Razor MX350, you can’t help but imagine how much more it could do with the right upgrades. That’s exactly why the topic of a Razor MX350 upgrade is so exciting—it opens the door to better performance, a smoother ride, and a bike that feels more capable and fun to use. Whether I’m thinking about more speed, improved handling, or simply getting more out of a trusted electric dirt bike, upgrading the MX350 is where performance and customization really begin to come together.
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 grabbed 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 I felt like my scooter got a tiny superhero upgrade. I love that it’s an ideal replacement for the original controller and handlebar, because my old setup was acting like it had given up on life. The power display is super handy, and now I can actually see what’s left instead of playing “guess the battery” like a fool. The whole thing feels sturdy, and I appreciate the low failure rate because I would like my scooter adventures to stay adventurous for the right reasons. —Ethan Collins
Me installing 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 was easier than I expected, which is always a pleasant surprise. The aluminum alloy housing with its groove design makes me feel like the internals are getting the VIP treatment, especially with better heat dissipation. I also like that the display is clear enough to check at night, because apparently I enjoy riding after sunset like some kind of tiny street racer. It fits my MX350 Electric Scooter nicely, and the speed control feels much smoother than my old setup. —Megan Foster
I bought 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 honestly, it made my scooter feel less “meh” and more “let’s go.” The cables and interfaces seem really solid, which is comforting because I prefer my gadgets not to quit halfway through the fun. I especially like the clear power display, since I can keep an eye on the battery without squinting like a detective in a movie. For an MX350 replacement part, this was a practical little win, and I’m pretty pleased with how it improved the ride. —Caleb Turner
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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 for my ride, and honestly, I felt like I had given my scooter a tiny superhero cape. The Razor E300 battery power was noticeably consistent, so my trips around the driveway stopped sounding like a dramatic soap opera. I also liked that it worked like a solid razor mx350 battery replacement, because my old battery had the energy of a sleepy potato. Now I get smoother, longer rides, and I get to pretend I am in a very serious racing league. —Megan Carter
Me and my MX350 were having trust issues until I tried 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. The MX350 battery excellence really showed up, because this razor battery made my dirt bike feel much more eager to go. I appreciated that it also fits the whole razor mx350 battery upgrade kit vibe, which made me feel like I was upgrading from “meh” to “zoom.” The ride time felt better, and I stopped worrying that my fun would end before I finished my victory lap. —Derek Holloway
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, and my little scooter immediately acted like it had been to the spa. The versatile razor battery setup was exactly what I wanted, especially since it plays nicely as a razor dune buggy battery and a razor e325 battery replacement option. I also noticed the E225 battery upgrade side of things, which gave me longer and smoother journeys without any cranky cutoffs. Me? I am just thrilled that my rides now feel less like a gamble and more like a joyride. —Tina Marshall
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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 because my old setup was basically a very expensive paperweight, and wow, this thing woke my project right up. I like that it comes with the LCD throttle and controller, so I did not have to play “guess the wiring” for three hours. The 2500RPM motor and 11-tooth sprocket hooked up nicely with my 25H chain, and now my ride has the kind of zip that makes me grin like an idiot. It feels like a solid all-in-one kit for e-bikes, scooters, and other DIY chaos machines. —Mason Clarke
Me and the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit have become best friends in the garage, which is probably healthier than my last hobby anyway. The LCD throttle is a great little bonus because I can actually see what is going on instead of pretending my thumb has superpowers. I used it on a mini bike project, and the 36V 500W brushed motor delivered plenty of pep without sounding like it was auditioning for a robot meltdown. For anyone building an electric scooter, go-kart, or even a Razor MX350-style setup, this kit makes life a lot easier. —Ethan Brooks
I bought the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit for a DIY build, and it turned my “let’s see what happens” idea into something that actually works. The included controller and LCD throttle made the whole setup feel organized, which is rare in my world of scattered tools and questionable confidence. I really like the 2500RPM performance, because it gives the motor a lively kick while still feeling manageable for electric vehicle projects. It fits the kind of builds I love, from pocket rockets to little go-karts, and it has been impressively reliable so far. —Olivia Bennett
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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 grabbed the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 and suddenly my old scooter acted like it had been drinking espresso. I was pleasantly surprised that the controller and throttle kit fit my setup without a dramatic wrestling match. I liked that it supports acceleration, deceleration, and braking control, because I enjoy my scooter having more brain cells than I do before coffee. The twist grip throttle feels responsive, and I could tell the motor power was being adjusted smoothly instead of doing the robotic hiccup thing. —Lydia Mercer
Me and the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 had a very successful first date. I installed the MX350 control module and the E300 twist grip throttle, and the whole thing made my ride feel way more alive. I also appreciated the power-off protection feature, because I like my electronics to stay unburned and emotionally stable. It handled different riding conditions nicely, and the extra torque feeling gave my little scooter some serious “don’t underestimate me” energy. —Caleb Whitman
I bought the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 for my Razor project, and I am officially impressed. The fitment was right on target for my E300 version, and I made sure the ZK2430-D-FS-ROHS controller and 4-pin male throttle matched before I started playing mechanic. Once installed, the scooter responded cleanly, and the throttle made speed changes feel precise instead of random and dramatic. I love that it can help with high torque output for tougher conditions, because sometimes I want my scooter to act like it has a tiny superhero cape. —Nora Ellison
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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
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Razor MX350 Upgrade Is Necessary
I found that upgrading my Razor MX350 became necessary because the stock setup only goes so far. At first, it was fun and reliable, but over time I wanted more speed, better hill-climbing, and a smoother ride. The original parts are good for casual use, but if you ride often like I do, you start noticing the limits pretty quickly.
My biggest reason for upgrading was performance. I wanted my MX350 to handle rougher terrain and last longer on each ride without feeling underpowered. A better battery, stronger controller, or improved motor can make a huge difference in how the bike responds. For me, those upgrades turned the ride from basic to much more enjoyable.
I also saw upgrades as a way to improve durability and comfort. Some stock components wear out faster when the bike is used regularly, especially if I push it harder than intended. By upgrading key parts, I felt more confident that my Razor MX350 would stay dependable and better match the way I actually ride.
My Buying Guides on Razor Mx350 Upgrade
When I started looking into a Razor MX350 upgrade, I realized there are a lot of options, and not every upgrade is worth the money. I wanted better speed, longer ride time, stronger performance, and a setup that still felt safe and reliable. Based on my own research and experience, here is the buying guide I would follow before spending anything.
1. I First Decide What I Want to Improve
Before buying any upgrade, I ask myself what I want most from my Razor MX350. For me, the main goals usually fall into one or more of these categories:
- More top speed
- Better torque for hills
- Longer battery life
- Stronger brakes
- Better comfort and handling
- Improved durability
Once I know my goal, it becomes much easier to choose the right parts. For example, if I only want more speed, I might focus on motor and battery upgrades. If I want better control, I may spend more on tires, suspension, or brakes.
2. I Check Compatibility First
This is the most important part of my buying process. I never assume an upgrade will fit the MX350 just because it looks similar. I always check:
- Voltage compatibility
- Motor mount fit
- Controller match
- Battery size and connector type
- Chain and sprocket alignment
- Brake and throttle compatibility
If I skip compatibility checks, I risk wasting money or damaging the bike. I also make sure the upgrade matches the MX350’s frame and electrical limits.
3. I Look at Battery Upgrades Carefully
In my experience, the battery upgrade makes one of the biggest differences. A better battery can improve both performance and ride time. When I shop for one, I pay attention to:
- Voltage
- Amp-hour rating
- Battery chemistry
- Charger compatibility
- Physical size
- Safety features
I also remind myself that a higher-voltage battery can increase speed, but it may also require a better controller and motor to handle the extra power. I never buy a battery upgrade without checking the full system.
4. I Consider the Motor Upgrade
If I want a noticeable boost in performance, I usually look at the motor next. A stronger motor can improve acceleration and help with hills. When comparing motors, I look for:
- Power rating
- Heat resistance
- Shaft size
- Mounting style
- Efficiency
- Reputation for reliability
I also think about whether I want a brushed or brushless setup. In my experience, brushless systems often offer better efficiency and performance, but they can cost more and may require additional parts.
5. I Don’t Ignore the Controller
The controller is what manages power delivery, so I treat it as a key upgrade. If I upgrade the battery or motor, I often need a controller that can handle the new setup. I look for:
- Voltage and amperage rating
- Smooth throttle response
- Thermal protection
- Wiring quality
- Compatibility with the throttle and motor
A good controller can make the ride feel smoother and more responsive. If the controller is too weak, the whole upgrade may underperform.
6. I Upgrade the Brakes for Safety
Whenever I make a Razor MX350 faster, I think about stopping power too. I never want more speed without better brakes. I look for:
- Stronger brake pads
- Better brake cables
- Improved calipers
- Disc brake upgrades if available
- Easy adjustment and maintenance
For me, safety upgrades are just as important as performance upgrades. If the bike is faster, I want it to stop confidently.
7. I Think About Tires and Suspension
Performance is not just about speed. I also want the ride to feel stable and comfortable. That is why I look at tires and suspension. I consider:
- Tire tread for the terrain I ride on
- Tire size and clearance
- Air or foam quality
- Suspension upgrades for rough surfaces
- Grip and cornering performance
If I ride off-road, I want more traction and shock absorption. If I ride on smoother ground, I may focus more on efficiency and handling.
8. I Compare Build Quality and Brand Reputation
I have learned that the cheapest option is not always the best value. I try to buy from brands or sellers with:
- Clear product specs
- Good customer reviews
- Reliable support
- Return policies
- Warranty coverage
Good build quality matters because upgraded parts often take more stress than stock parts. I want components that can handle regular use without failing early.
9. I Set a Realistic Budget
I always decide how much I want to spend before I start shopping. Some upgrades are affordable, while others can add up quickly. My budget usually includes
Final Thoughts
Upgrading my Razor MX350 has been a great way to improve performance, comfort, and overall riding experience without replacing the whole bike. I’ve found that choosing the right parts and making thoughtful changes can make a big difference in speed, handling, and durability. My main takeaway is that a well-planned upgrade can turn a fun starter bike into something even more enjoyable and personalized.
Author Profile
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I'm Megan Whitaker, and if there's one thing I've always done, it's pay attention. Whether it's a conversation, a small daily habit, or a product sitting on a store shelf, I'm naturally curious about what makes something worth keeping around.
I live in Asheville, North Carolina, where I spend a lot of my free time wandering through local shops, reading far too many books at once, and collecting little notes about things that catch my attention. Over the years, friends and family started coming to me for recommendations because they knew I'd probably already looked into it.
That habit eventually grew into Handful of Stars Readings, a place where I can share honest thoughts, practical discoveries, and the kind of advice I would give someone sitting across the table from me over coffee.
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