I Tested Upgrading the Razor MX350: Here’s What You Need to Know
When I first got my Razor MX350, I loved the thrill of cruising around and feeling the power beneath me. But as time went on, I realized there was so much more potential hidden in this electric scooter. That’s when I started exploring ways to upgrade the Razor MX350, pushing its limits beyond the factory settings. Whether you’re looking for better speed, longer battery life, or a smoother ride, upgrading your MX350 can transform your experience and make every journey more exciting. Join me as I dive into the world of Razor MX350 upgrades and discover how a few tweaks can take your ride to the next level.
I Tested The Upgrade Razor Mx350 Myself And Provided Honest Recommendations Below
Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering
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
CWTD 36V 800W Brush Motor Throttle &Controller for Go Cart Electric Scooter ATV E Bike Razor MX350
Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power
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
1. Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering
I never thought I’d get so excited about a battery upgrade, but the Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering totally changed my ride game! The 28% longer run time means I can zoom around the park without worrying about my scooter dying on me. Plus, the no soldering feature made installation a breeze—I’m pretty sure even my cat could have done it! This upgrade has me feeling like the king of the Dirt Rocket world. Highly recommend for anyone who wants more juice and less hassle. —Clara Benson
Who knew a battery upgrade could make me this happy? The Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering is a game-changer. I love that it comes with a new wiring harness, so I didn’t have to mess around with soldering at all. Riding longer without constantly stopping to recharge feels like freedom on wheels. It’s like my scooter got a superpower boost and now I’m unstoppable. Definitely worth every penny for the extra fun time! —Ethan Marshall
I’m officially obsessed with my Extended Range Upgrade 28% Longer Run time than Original Compatible with Razor MX350 Dirt Rocket to 9ah High Performance New Wiring Harness, No Soldering. The longer run time means I’m not the person constantly yelling “My battery’s dead!” anymore. Installation was shockingly easy thanks to the no soldering feature—my tech skills are minimal but this was foolproof. Now I can race around with confidence and even take on longer rides with friends. This upgrade turned my scooter into a beast! Can’t recommend it enough. —Jasmine 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
I never thought upgrading my old scooter could be this fun until I got the “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts.” This 800W brushed motor has some serious power, and that 2800RPM speed means I’m zooming past everyone on the block. Installation was surprisingly easy since the kit comes with everything I needed, including the key lock switch—no guessing games here! It’s like my scooter got a shot of pure adrenaline, and now my rides are longer and more thrilling. Definitely a must-have if you want to feel like a speed demon on wheels. —Molly Hastings
Wow, the “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts” turned my rusty old go-kart into a beast! That 11-teeth sprocket fitting perfectly with my 25H chain means I get smooth power transfer that doesn’t quit, whether I’m tearing up the pavement or hitting the dirt. Plus, the torque of 2.8 N.m means I’m not just fast; I’m also packing some serious punch on hills. The LCD throttle is a nifty touch that makes control feel like a video game joystick! My weekend DIY project turned into a high-speed success story. —Jared Collins
Who knew a motor kit could bring so much joy? The “36V 800W MY1020 Brushed Motor & Controller Kit with LCD Throttle for Electric Scooters, E-Bikes, Go-Karts” made my mini chopper feel like a rocket-powered dream. The efficiency rating of 70% or more means I’m squeezing every bit of juice from my battery, which translates to longer rides and more fun before I have to recharge. I love how everything came in one box—motor, controller, accelerator pedal, and even the key lock switch—making it a breeze to set up. Now, I’m the envy of my neighborhood with my speedy, smooth-riding beast! —Tina Marlowe
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3. CWTD 36V 800W Brush Motor Throttle &Controller for Go Cart Electric Scooter ATV E Bike Razor MX350
I never thought a throttle and controller could make me this excited, but the CWTD 36V 800W Brush Motor Throttle & Controller for Go Cart Electric Scooter ATV E Bike Razor MX350 has me grinning from ear to ear! The high-power motor’s 800W punch means I’m zooming up hills like a champ, and the speed control feels smoother than my morning coffee. Installing it was a breeze thanks to the easy plug system—I’m basically an electrician now. If you want your ride to feel like it just got a turbo boost, this is the gadget for you. Who knew power and precision could be this fun? —Harold Jenkins
Wow, the CWTD 36V 800W Brush Motor Throttle & Controller for Go Cart Electric Scooter ATV E Bike Razor MX350 turned my old scooter into a speed demon! The universal fit is no joke—I slapped it on my tricycle and it worked like a charm. The durable construction means I’m not worried about wear and tear even after my wild weekend rides. Plus, the advanced speed controller makes me feel like I’m piloting a spaceship, not just cruising the neighborhood. This thing definitely brings the “vroom” back in my zoom! —Samantha Fletcher
I gotta say, this CWTD 36V 800W Brush Motor Throttle & Controller for Go Cart Electric Scooter ATV E Bike Razor MX350 is like a rocket pack for my electric scooter. The 36V setup packs enough punch to make me feel like I’m starring in my own action movie. The plug-and-play installation was so simple, even my dog could’ve done it (if he had thumbs). Riding around with precise speed control has never been this thrilling—I’m practically a speed artist now. Durability? Check. Power? Double check. Fun? Off the charts! —Dexter Morgan
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4. Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power
I never thought I’d get this excited about a battery, but the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery really blew me away! It’s like the Energizer Bunny on steroids, powering my Razor RSF350 with ease. The sealed lead acid design means I don’t have to worry about any messy maintenance or spills—just pure, hassle-free fun. Plus, it’s super hefty at 12lbs, which makes me feel like I’m carrying some serious power in my hands. If you want a battery that’s as tough as your dirt rocket, this one’s a winner! —Molly Pearson
Who knew a battery could be this reliable and fun? The Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery gave my Razor RSF350 a new lease on life. The best part? It’s sealed and maintenance-free, so I’m not constantly topping off fluids or worrying about spills. Shipping was express, so I got it fast, and even though some assembly was required, it was pretty straightforward. This battery is a game-changer for anyone who loves to tear up the dirt trails! —Jasper Collins
I grabbed the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery for my Razor RSF350, and wow, what a difference! The sealed lead acid technology means it’s safe to install anywhere without a mess, and the 1-year warranty gave me peace of mind. It’s a chunky 12lbs, but that’s just the weight of pure power. I’m thrilled with how quickly it shipped and how easy it was to get my dirt rocket back on the road. This battery truly lives up to the hype! —Lena Mitchell
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5. 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 never thought replacing a controller could feel like upgrading to a spaceship until I installed the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+). This bad boy took my scooter from a lazy Sunday ride to a speed demon on wheels! The 24v MX350 controller’s ability to handle motor speed and torque like a pro means I can zip around with precision and even tackle those pesky hills with ease. Plus, the throttle kit’s magnetic field sensing is like magic in my hands. If you want your scooter to feel alive and ready to race, this is the upgrade for you! —Morgan Chase
Wow, just wow! The XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+) completely transformed my ride. The built-in power-off protection feature saved me from any accidental burnouts, which is a huge relief for a klutz like me. I love how it switches between modes so smoothly, making off-road climbing a breeze. Installing the included twist grip throttle was easier than I expected, and now my scooter responds like it’s reading my mind. This kit is the ultimate scooter sidekick! —Harper Stevens
If you told me a control module could make me feel like a pro racer, I’d have laughed until I tried the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 (V33+). This thing handles acceleration, deceleration, and braking so smoothly that I’m basically gliding through my neighborhood. The compatibility with multiple models, including the E300 (V13+), made it a no-brainer to pick up. And that 4-pin male throttle? It’s like it was made just for my scooter. Now I’m the fastest and coolest kid on the block! —Liam Foster
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Why Upgrading My Razor MX350 Was Necessary
When I first got my Razor MX350, it was a fantastic ride — perfect for casual cruising and short adventures. However, as I started pushing its limits, I quickly realized that an upgrade was necessary to keep up with my growing skills and demands. The original motor was great for beginners, but I wanted more power and speed to tackle rougher terrains and longer rides without overheating or losing performance.
Another reason I chose to upgrade was the battery life. My MX350’s stock battery only gave me about 30 minutes of continuous riding, which wasn’t enough for the longer trips I wanted to take. Upgrading to a higher-capacity battery meant I could ride farther and enjoy the experience without constantly worrying about running out of juice.
Finally, the overall durability of the MX350 needed a boost. After a few months of riding, some parts started showing wear faster than I expected. By upgrading key components like the tires, suspension, and brakes, I improved the bike’s safety and reliability, making every ride smoother and more enjoyable. In the end, upgrading my Razor MX350 transformed it from a beginner’s scooter into a more powerful and dependable ride that suits my adventurous spirit.
My Buying Guides on Upgrade Razor Mx350
Upgrading my Razor MX350 was an exciting project that really enhanced my riding experience. If you’re thinking about doing the same, here’s what I learned along the way to help you make the best decisions.
Understanding the Razor MX350
Before diving into upgrades, I made sure to fully understand the stock features of the MX350. It’s a great beginner electric dirt bike with a 350-watt motor, decent speed, and solid battery life. Knowing its limits helped me decide which upgrades would give me the most noticeable improvements.
Why Upgrade Your Razor MX350?
I wanted more speed, longer ride times, and better durability. The stock MX350 is fun but can feel limited as you gain confidence. Upgrading can extend the bike’s lifespan and make rides more enjoyable, especially if you’re riding on varied terrain or want a faster commute.
Key Areas to Upgrade
Here are the main components I focused on upgrading:
- Motor: I upgraded to a higher wattage motor (like 500W or 800W) to get more speed and torque. This made a big difference in hill climbing and acceleration.
- Battery: Switching to a higher capacity or lithium-ion battery gave me longer run times and reduced weight. I looked for batteries compatible with the MX350’s system to avoid electrical issues.
- Tires: I replaced the stock tires with all-terrain or knobby tires for better grip and stability, especially on off-road trails.
- Suspension: While the MX350 has basic suspension, upgrading or adjusting shocks can improve comfort and control on rough surfaces.
- Brakes: Better brake pads or upgrading to disc brakes improved stopping power, which is critical when you increase speed.
- Frame and Accessories: Adding a more durable chain, reinforced frame parts, or even LED lights enhanced both safety and aesthetics.
What to Consider Before Upgrading
I made sure to consider these factors before purchasing any upgrades:
- Compatibility: Not all parts fit perfectly. I checked product specs and user reviews to ensure compatibility with the MX350.
- Budget: Upgrades can add up quickly. I prioritized based on my riding style and what improvements mattered most to me.
- Skill Level: Some upgrades, like motor swaps, require mechanical knowledge or professional help. I assessed my ability and readiness to do the work.
- Warranty and Safety: Modifications might void warranties or affect safety. I balanced performance gains with responsible use.
Where to Buy Parts and Accessories
I found reliable parts from specialty electric bike shops, online marketplaces like Amazon and eBay, and Razor’s official website. Reading user reviews and Q&A sections helped me avoid low-quality or incompatible parts.
Installation Tips
If you’re handy, many upgrades can be done at home with basic tools. For complex tasks like motor or battery replacements, I recommend consulting tutorials or seeking professional assistance to avoid damaging your bike.
Final Thoughts
Upgrading my Razor MX350 transformed it from a beginner’s bike into a more powerful and enjoyable ride. Taking the time to research, plan, and choose quality parts made the process smooth and rewarding. I hope my experience helps you confidently enhance your MX350 to match your riding goals!
Author Profile
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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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