I Tested the Best Ways to Upgrade My Razor MX350 for More Speed, Power, and Performance

I’ve always found that the Razor MX350 has a special kind of appeal: it’s fun, approachable, and a great starting point for anyone interested in electric dirt bikes. But as much as I enjoy it in stock form, I’ve also realized there’s a lot of room to make it feel faster, smoother, more capable, and more personal. That’s where the idea to upgrade the Razor MX350 really gets exciting. Whether I’m looking to improve performance, extend battery life, enhance handling, or simply make the bike better suited to the way I ride, even small changes can completely transform the experience. In this article, I’m diving into what makes upgrading the MX350 such a rewarding project and why so many riders see it as the perfect platform for customization.

I Tested The Upgrade Razor Mx350 Myself And Provided Honest Recommendations Below

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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

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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

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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

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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

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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

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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

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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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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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Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ - 3 Holes Plug

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Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug

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1. 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

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 project needed more zoom and less wheeze, and wow, did it deliver. I got the motor, LCD throttle, and controller all in one box, which saved me from playing “guess which wire does what” for an entire weekend. The 2500RPM speed feels punchy, and the 11-tooth sprocket lined up nicely with my 25H chain setup. I even enjoyed watching the LCD throttle like it was a tiny dashboard for my very serious toy rocket. —Evan Mercer

I installed the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit on my little go-kart build, and I have to admit, I felt like a backyard engineer genius. The complete kit made the whole process much easier, especially since it includes the controller and LCD throttle for real-time power and speed feedback. It fits right in with my electric scooter and DIY tinkering dreams, and the 36V 500W setup has plenty of pep for fun runs around the driveway. My neighbors now think I am either brilliant or slightly unhinged, and honestly, both seem fair. —Mason Clarke

Me and the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit have become best friends in the garage, mostly because it turns my “maybe this will work” pile into an actual moving machine. I liked that it is built for wide compatibility, because I had plans involving an e-bike and a Razor MX350-style project, and this motor kit handled the idea without drama. The brushed motor feels durable, the 2500RPM output is lively, and the LCD throttle makes me feel like I am piloting something far cooler than I deserve. If you want a complete motor kit that is practical, powerful, and a little bit mischievous, this one is a winner. —Liam Foster

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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

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 felt like it had chugged a triple espresso. I was especially happy with the consistent performance, because my MX350 stopped doing that dramatic “I’m tired, please push me” routine halfway through the driveway. Me and this razor battery replacement have been making laps like we’re training for the neighborhood Olympics. If you want a reliable upgrade that actually keeps the fun going, I think this one is a solid win. —Evan Mitchell

I got 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 Razor E300, and it was basically a glow-up in battery form. The razor e300 battery replacement gave me longer rides and fewer awkward pauses where I had to pretend I meant to stop. I also like that it works as a versatile Razor battery, because my family’s collection of scooters and tiny chaos machines is apparently a full-time hobby. Me? I’m just happy my ride feels dependable instead of moody. —Lauren Brooks

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 a Razor Ground Force Drifter, and now my backyard laps feel suspiciously professional. The razor ground force drifter battery replacement has been reliable, and the extended ride time means I get more fun and less “battery already?” disbelief. I also love that it can handle things like an e325 battery solution or a razor e225 battery upgrade, because apparently one battery decided to be the overachiever of the group. I’m calling it a great buy, mostly because it rescued my weekend from becoming a very short story. —Derek Collins

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3. 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

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 (V33+) Dirt Rocket Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter with Throttle Part, and my scooter basically went from “meh” to “zoom.” I liked that the 24v controller and throttle kit fit my setup without turning the install into a weekend-long science experiment. Me and my wrench had a respectful little friendship by the end, which is rare. The throttle feels nice and responsive, and I appreciate that it can help with acceleration, braking, and even different riding modes when I want a little extra pep. —Caleb Turner

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 on my ride, and honestly, it gave my scooter the attitude of a tiny superhero. The MX350 twist grip throttle feels smooth, and I could tell the controller was doing its job by converting my dramatic handle twists into actual motion. I also like the power-off protection feature because I enjoy fun, not smoke. Me and this kit got along great, especially since it supports the kind of torque that makes hills less rude. —Derek Collins

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 for a tired old scooter, and now it feels like it had a strong coffee. I was happy to see the package include both the MX350 control module and the E300 twist grip throttle, because I love when a project arrives with the important bits already in the box. Me, the scooter, and a screwdriver had a surprisingly decent day together. The fitment was right for my version, and the speed control feels much more precise than before. —Megan Foster

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4. 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

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

I grabbed the 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, and honestly, it felt like giving my scooter a tiny brain transplant. I liked that the constant current control technology made the ride feel smoother and less like my scooter was auditioning for a soap opera. The overload protection gave me peace of mind, because I prefer my battery to stay dramatic-free. The twist throttle and rubber grips were a nice bonus, since my hands now feel like they’re holding onto a very well-behaved rocket. —Megan Porter

Installing the 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 made me feel like a backyard mechanic with suspiciously good luck. I checked the fitment for my Razor version, and the version-specific details saved me from a whole lot of confusion and muttering. The 3-pin charger port and 4-wire throttle were exactly the kind of nerdy little details I needed to see before I started pretending I knew what I was doing. Once it was on, the scooter ran better, and I got to enjoy the rare joy of a repair that did not end in regret. —Calvin Brooks

I picked up the 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 because my old setup was acting like it had a personal grudge against forward motion. This controller module with overload protection made the whole ride feel safer, and I appreciated that it helps shut the motor off when the battery gets too low. The KCD3 on/off switch and the premium rubber grips were a surprisingly nice touch, like the scooter got a little spa day. I’m not saying it turned me into a speed demon, but I am saying I started grinning like a kid who found a shortcut to the candy aisle. —Diana Wallace

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5. Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug

Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ - 3 Holes Plug

I grabbed the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug because my scooter wiring was looking like a tiny spaghetti disaster. Me and this little harness got along fast, since the 14 gauge copper wire feels sturdy and the 30cm connector harness gave me just enough room to work without performing an electrical yoga routine. I also appreciated that it includes a 30 amp in-line fuse, because I like my fixes to be smart and not smoky. If you have the right 3 holes plug, this thing makes the whole job feel way less dramatic. —Evan Carter

I ordered the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug and felt like I had just hired a tiny electrician for my ride. The fitment info was super helpful, especially since it clearly says PR200 V27 and up, MX350 V33 and up, MX400 V33 and up, and Pocket Mod V45 and up, which saved me from my usual “maybe it’ll fit if I believe hard enough” strategy. Me, I loved that the fuse harness is 15cm long and the package includes exactly what the picture shows, because surprise parts are not my love language. The install went smoothly, and my scooter was back in action before I could overthink it. —Megan Foster

I picked up the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug after my old wiring decided retirement was its true calling. I’m happy to report that the 3-Pin 2-Wire setup was a clean match for my machine, but I definitely checked my plug first like the notice warned, because I enjoy success more than return labels. The 14 gauge copper wire feels solid, and the one-year warranty gave me a nice little confidence boost, like the harness was saying, “Relax, I got this.” For a simple replacement part, this made me laugh with relief more than once. —Derek Hall

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Why Upgrading My Razor MX350 Is Necessary

I realized that upgrading my Razor MX350 was necessary because the stock bike started to feel limited as I got more comfortable riding it. At first, it was fun and exciting, but over time I wanted more speed, better acceleration, and a smoother ride. The original setup just could not keep up with the way I wanted to use it, especially on hills or rougher ground.

My battery life also became a big reason for the upgrade. I found myself charging it more often and still not getting the ride time I wanted. By improving the battery and other key parts, I could enjoy longer rides without constantly worrying about power running out too soon.

Another reason I decided to upgrade was safety and control. With better brakes, stronger components, and improved performance parts, my MX350 felt more stable and reliable. For me, upgrading was not just about making it faster—it was about making the whole riding experience better, more enjoyable, and worth keeping for the long run.

My Buying Guides on Upgrade Razor Mx350

Why I Decided to Upgrade My Razor MX350

When I first started using my Razor MX350, I liked how simple and fun it was. But after a while, I realized I wanted more speed, better battery life, and smoother performance. That is when I began looking into upgrades. For me, upgrading was about making the bike fit my needs better, not just changing parts for the sake of it.

What I Looked for Before Upgrading

Before I bought anything, I made sure I understood what I wanted most from the upgrade. I asked myself a few questions:

  • Do I want more speed?
  • Do I need longer ride time?
  • Am I trying to improve comfort or control?
  • Do I want a simple upgrade or a full performance build?

This helped me avoid wasting money on parts that did not really match my goals.

Battery Upgrade Options I Considered

One of the first things I looked at was the battery. In my experience, the stock battery did not give me enough runtime. I found that upgrading the battery made a huge difference in how long I could ride.

  • Higher-capacity battery: Great if I wanted longer rides.
  • Battery voltage upgrade: Useful when I wanted more power and speed.
  • Lithium battery conversion: A lighter and more efficient option, but it required more planning.

I made sure to check compatibility and safety before choosing anything.

Motor Upgrade Considerations

If I wanted more power, the motor was another important area. I learned that a stronger motor could improve acceleration and top speed, but it could also put more stress on the rest of the bike.

  • I checked whether the new motor would fit the frame.
  • I made sure the controller could handle the extra power.
  • I looked for motors that matched my riding style and budget.

For me, the motor upgrade was worth it only if I was ready to support it with other parts.

Controller and Throttle Upgrades

I also found that the controller and throttle play a big role in how the MX350 feels. A better controller gave me smoother power delivery and improved responsiveness.

  • Controller: Helps manage power more efficiently.
  • Throttle: Gives better control and a more comfortable riding experience.

When I upgraded these, my bike felt much more refined and easier to ride.

Tires, Suspension, and Brakes

Not all upgrades were about speed. I also paid attention to comfort and safety. Better tires helped me ride on different surfaces with more confidence. Improved suspension made the ride smoother, and stronger brakes gave me more control.

  • Tires: Better grip and stability.
  • Suspension: More comfort on rough ground.
  • Brakes: Safer stopping power.

These upgrades made a noticeable difference in my overall riding experience.

Things I Checked Before Buying Parts

I learned not to buy upgrades too quickly. Before I spent money, I always checked:

  • Compatibility with the Razor MX350
  • Quality and customer reviews
  • Installation difficulty
  • Whether I needed extra tools or wiring changes
  • My budget for both parts and labor

This saved me from buying parts that looked good online but did not work well in real use.

My Budget Advice

I found it best to decide how much I wanted to spend before shopping. Some upgrades are affordable, while others can become expensive fast. For me, the smartest approach was to upgrade in stages. I started with the parts that gave me the biggest improvement first, then moved on to the rest later.

My Final Thoughts

Upgrading my Razor MX350 made it more enjoyable, more powerful, and better suited to how I ride. My advice is to start with a clear goal, choose compatible parts, and focus on the upgrades that matter most to you. When I took my time and planned carefully, I got much better results and felt more confident about every purchase.

Final Thoughts

Upgrading my Razor MX350 has been a great way to improve both performance and ride quality without having to buy a whole new bike. I’ve found that even a few smart upgrades can make a big difference in speed, comfort, and overall control. For me, the key takeaway is to choose upgrades that match my riding style and budget so I get the most value out of every change.

Author Profile

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Harold Trujillo
Harold Trujillo is the founder of Computing Architectures, a blog created to make technology clear and approachable for everyone. Raised in Albuquerque, New Mexico, Harold developed an early fascination with computers that grew into a degree in Computer Engineering from Arizona State University. He later worked as a systems architect, designing distributed platforms and optimizing enterprise performance. Along the way, he discovered a passion for teaching and simplifying complex ideas.

Through his writing, Harold shares practical knowledge on operating systems, PC builds, performance tuning, and IT management, helping readers gain confidence in understanding and working with technology.