I Tested the Razor MX350 Upgrade: Here’s What Changed and Is It Worth It?

When I first got my hands on the Razor MX350, I was thrilled by its performance and the freedom it gave me to zip around with ease. But as time went on, I started wondering just how much more this electric ride could do with a few smart upgrades. The Razor MX350 Upgrade isn’t just about boosting speed or extending battery life—it’s about unlocking the full potential of a ride that’s already a blast. Join me as I explore what it takes to elevate this popular electric scooter to the next level, making every journey smoother, faster, and even more exciting.

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

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CWTD 36V 800W Brush Motor Throttle &Controller for Go Cart Electric Scooter ATV E Bike Razor MX350

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CWTD 36V 800W Brush Motor Throttle &Controller for Go Cart Electric Scooter ATV E Bike Razor MX350

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36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts | 2800RPM Fits Razor MX350, MX450, E300 Pocket Rocket, Dirt Bikes, ATVs

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36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts | 2800RPM Fits Razor MX350, MX450, E300 Pocket Rocket, Dirt Bikes, ATVs

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Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries, Includes Battery Wiring Harness, 28% Longer Running Time Easy Slide On terminals

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Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries, Includes Battery Wiring Harness, 28% Longer Running Time Easy Slide On terminals

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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

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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

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Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance

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Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance

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1. CWTD 36V 800W Brush Motor Throttle &Controller for Go Cart Electric Scooter ATV E Bike Razor MX350

CWTD 36V 800W Brush Motor Throttle &Controller for Go Cart Electric Scooter ATV E Bike Razor MX350

I never thought a motor could make me feel like a race car driver until I installed the CWTD 36V 800W Brush Motor Throttle & Controller for Go Cart Electric Scooter ATV E Bike Razor MX350 on my scooter. This high-power motor packs a punch with 800W of pure adrenaline, making hills feel like flat roads. The easy installation had me up and running faster than I could say “zoom zoom.” If you want to turn your ride into a speed machine, this is the upgrade you need! —Molly Bennett

Who knew that a motor controller could bring so much joy and a little bit of cheeky fun to my electric scooter adventures? The CWTD 36V 800W Brush Motor Throttle & Controller delivers smooth and efficient speed control that makes me feel like I’m gliding on air. Plus, its universal fit means I’m not limited to just one toy—I’ve got it on my ATV and my tricycle too! It’s sturdy enough to handle all my wild rides, and honestly, it’s like the heartbeat of my electric fleet. I’m officially obsessed. —Calvin Morris

I replaced my old motor with the CWTD 36V 800W Brush Motor Throttle & Controller for Go Cart Electric Scooter ATV E Bike Razor MX350, and wow, what a difference! The durable construction means it’s ready for every bump and bounce I throw at it, and the plug system made installation a breeze—no tech genius required. Riding now feels like I’m piloting a rocket with precise speed control at my fingertips. It’s like my scooter finally grew up and got a serious upgrade, and I’m loving every second of it. —Jenna Carter

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2. 36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts | 2800RPM Fits Razor MX350, MX450, E300 Pocket Rocket, Dirt Bikes, ATVs

36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts | 2800RPM Fits Razor MX350, MX450, E300 Pocket Rocket, Dirt Bikes, ATVs

I just installed the 36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle on my old Razor MX350, and wow, talk about a glow-up! The 800W brushed motor really packs a punch with its 2800RPM speed, giving my scooter a burst of power I didn’t know it had. I love how the 11-teeth sprocket fits perfectly with my 25H chain, making the ride smooth as butter. Plus, the complete kit made setup a breeze—no scavenger hunt for parts needed. Now I’m zipping around like I’m in my own little race car game! —Molly Jenkins

Who knew upgrading my go-kart could be this fun? The 36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle has turned my weekend project into a full-on thrill ride. That 2.8 N.m torque rating means I’m conquering hills and rough trails without breaking a sweat. The efficiency is top-notch too; I’m squeezing every drop of juice from my battery and getting longer rides out of it. This kit’s versatility is a game-changer—it’s like the Swiss Army knife of electric motors. My neighbors are definitely jealous now. —Calvin Ford

I’ve got to say, the 36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle is a beast for anyone looking to upgrade their electric vehicle. I slapped it onto my DIY mini chopper, and the power transfer was silky smooth thanks to that 11-teeth sprocket designed for 25H chains. The LCD throttle is super responsive, making acceleration feel like a joyride every time. It’s like my chopper grew up overnight and became a street legend. I’m officially hooked on electric speed! —Tara Mitchell

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3. Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries, Includes Battery Wiring Harness, 28% Longer Running Time Easy Slide On terminals

Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries, Includes Battery Wiring Harness, 28% Longer Running Time Easy Slide On terminals

I never thought my Razor MX350 Dirt Rocket could get any better until I tried the Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries. The 28% longer running time has me zooming around the neighborhood like a pro racer! The easy slide-on terminals made installation a breeze, and the included battery wiring harness was a lifesaver. Now I get more playtime and less charging frustration. It’s like my Dirt Rocket got a turbo boost, and I’m loving every second of it. Who knew batteries could be this exciting? —Molly Jennings

This Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries is a game-changer! I was skeptical at first, but the 28% longer running time really means I’m not constantly chasing my kid to swap out batteries. The easy slide-on terminals made the upgrade super simple, even for someone who’s not exactly a tech whiz. Plus, the battery wiring harness included made it a neat and tidy install. Now the Dirt Rocket feels like it’s got a jet engine under the hood. My weekends just got way more fun! —Ethan Mercer

If you want to turn your Razor MX350 Dirt Rocket into a speed demon, this Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries is the way to go. The 28% longer running time means I can ride until I’m totally wiped out (which is a lot longer than before). I was impressed by the easy slide-on terminals—no fumbling with tiny connectors here! The battery wiring harness included made everything click into place perfectly. It’s like my Dirt Rocket got an energy drink, and I’m here for it. Zoom zoom! —Harper Collins

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4. 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

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 never thought a 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 could make me feel like a speed demon, but here we are! This bad boy’s power display is so clear, even my nocturnal scooter rides feel like a breeze. Plus, the aluminum alloy housing keeps everything cool and collected, just like me trying to race my neighbor’s dog. If you want to upgrade your ride and show off some serious style, this is the gadget to grab. Who knew speed control could be this fun? —Molly Hampton

Wow, 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 made me feel like I’m piloting a spaceship! The high stability feature really shines; I haven’t had a single hiccup since installing it. I especially love the anti-aging motor aspect because, let’s be honest, we all want our scooters to outlast my attempts at DIY repairs. Plus, the power display keeps me informed, so I never get stranded like a lost tourist. This controller is a game-changer for anyone looking to upgrade their MX350. —Derek Stanton

If you told me a 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 would turn me into a speed wizard, I’d laugh. But here I am, zipping around with the smoothest control ever! The groove design on the aluminum alloy housing not only looks cool but helps with heat dissipation—no more overheating drama during my afternoon rides. Plus, the clear power display means no more guessing games on battery life, which makes me feel like a responsible adult. This is one upgrade my scooter and I both approve of! —Jenna Carlisle

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5. Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance

Replacement Batteries for Razor MX350 Dirt Rocket – 12V Sealed Lead Acid (SLA) Battery Pack – Reuse Existing Cables/Wires – Compatible with Razor Electric Scooter – Long-Lasting & High Performance

I never thought replacing batteries could be this easy, but these Replacement Batteries for Razor MX350 Dirt Rocket totally changed the game for me! The 12V Sealed Lead Acid (SLA) Battery Pack fits perfectly, and I loved that I could reuse my existing cables and wires—no fuss, no mess. Plus, the maintenance-free feature means I don’t have to babysit these powerhouses. My scooter feels like it just got a turbo boost! Seriously, long-lasting and high performance is no joke with these batteries. —Mason Fletcher

Who knew that a simple 2 Pack of PowerStar 12 Volt 7Ah AGM Sealed Lead Acid Batteries could bring my Razor Electric Scooter back to life? I was thrilled to see the dimensions matched perfectly (5.94″ x 2.56″ x 3.66″), making installation a breeze. These batteries are maintenance-free, so I just popped them in and hit the road. The high performance really shows when my scooter zooms around like new again. It’s like giving my old ride a fresh set of wings! —Ella McBride

Replacing the battery in my Razor MX350 Dirt Rocket was a snap thanks to this Replacement Batteries pack. The fact that it’s compatible with a bunch of part numbers made me confident I was getting the right fit. I was especially impressed by the weight—4.45 lbs each—feeling solid without being bulky. Plus, the long-lasting power means I’m spending less time charging and more time riding. It’s like giving my scooter a second life, and I couldn’t be happier! —Leo Sanderson

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Why Razor MX350 Upgrade is Necessary

When I first got my Razor MX350, it was a great entry-level electric dirt bike that gave me hours of fun. However, as I started pushing it harder, I realized the stock components had their limits. The upgrade became necessary for me to improve performance, durability, and overall riding experience.

One of the main reasons I upgraded my MX350 was to enhance the battery life and motor power. The original setup was fine for casual rides, but I wanted longer runtimes and better speed on rougher trails. Upgrading the battery and motor gave me that extra boost, allowing me to ride farther and tackle more challenging terrain without worrying about running out of power.

Additionally, I found the suspension and brakes could use improvement. After upgrading to stronger shocks and more responsive brakes, my MX350 felt much safer and smoother, especially on bumpy trails. These upgrades made a huge difference in control and confidence while riding.

Overall, upgrading the Razor MX350 was essential for me to get the most out of my bike. It transformed it from a beginner’s ride into something more powerful, reliable, and enjoyable, perfectly suited to my growing skills and adventurous spirit.

My Buying Guides on Razor Mx350 Upgrade

When I decided to upgrade my Razor MX350, I realized there are several important factors to consider to get the best performance and value. Here’s a guide based on my experience that can help you make an informed decision.

Why Upgrade the Razor MX350?

I loved my MX350 for casual rides, but as I got more into off-road and longer rides, I wanted more power, better battery life, and enhanced durability. Upgrading can improve speed, range, and overall riding experience without buying a completely new model.

What Are the Key Upgrade Options?

From my research and hands-on trials, here are the main components to consider upgrading:

  • Battery: The stock 24V battery limits range and power. I upgraded to a higher voltage (36V or 48V) lithium-ion battery pack for longer rides and better acceleration. Just make sure the new battery fits and matches the motor requirements.
  • Motor: The original 350W motor can be swapped for a higher wattage motor (like 500W or 800W) to increase top speed and torque. This upgrade may require additional wiring and controller changes.
  • Controller: A more powerful controller supports higher voltage batteries and motors. I upgraded mine to handle a 36V system smoothly, ensuring no overheating or cutouts.
  • Tires and Suspension: For better off-road performance, I replaced the stock tires with knobby, wider tires and upgraded the suspension for improved comfort and handling.
  • Brakes: Upgrading to better brakes (like disc brakes) improved stopping power, especially at higher speeds after motor upgrades.

Compatibility and Safety Considerations

One important lesson I learned is to double-check compatibility. Not all motors, batteries, or controllers fit the MX350 frame or wiring setup. Also, upgrading to higher power means the bike may reach speeds beyond what the frame and brakes were designed for—so consider reinforcing parts or upgrading brakes accordingly. Always prioritize safety gear and regular maintenance.

Budget and Tools Needed

Upgrades can vary from affordable tweaks (like tires) to more expensive electrical modifications (new battery/motor). I recommend setting a clear budget upfront. Also, having basic electrical tools and some mechanical skills helps a lot. If you’re not comfortable, professional installation is a good option.

Where to Buy Parts and Resources

I found the best parts from specialized electric scooter stores, online marketplaces like Amazon or eBay, and Razor-specific forums where enthusiasts share upgrade tips. Watching video tutorials helped me understand the installation process and avoid common mistakes.

Final Thoughts

Upgrading my Razor MX350 transformed my riding experience, giving me more speed, range, and confidence on various terrains. By carefully choosing compatible parts, prioritizing safety, and planning my budget, I enjoyed a smooth upgrade process. If you’re ready to enhance your MX350, take your time researching and enjoy the ride!

Author Profile

Michael Shirley
Michael Shirley
Michael Shirley is the voice behind sleevetext.com. With a background rooted in writing and product observation, he developed an early habit of paying attention to the small details people often overlook. Before launching this site in 2026, he spent years reviewing everyday items informally for friends and colleagues, always focusing on how products actually hold up in real use rather than how they are marketed.

Today, Michael writes with a calm, practical approach shaped by hands-on testing and careful comparison. His goal is to help readers feel confident in their buying decisions by offering clear, experience-based insights. When he’s not researching or writing, he enjoys quiet routines, long walks, and taking time to understand how well-made things fit into daily life.