I Tested the Razor MX350 Upgrade Kit: Here’s What You Need to Know

If you’re anything like me, upgrading your Razor MX350 isn’t just about improving performance—it’s about transforming every ride into a thrilling adventure. The Razor MX350 Upgrade Kit offers an exciting way to boost your electric dirt bike’s capabilities, giving you that extra edge whether you’re cruising around the neighborhood or tackling rougher terrain. In this article, I want to share why this upgrade kit has become a game-changer for riders looking to get more out of their MX350, turning a great ride into something truly unforgettable.

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

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24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad

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24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad

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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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Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part

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Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part

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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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Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power

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Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power

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1. 24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad

24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad

I never thought a charger could make me this happy, but the 24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad really proved me wrong! The built-in protection against overheating and short circuits gave me peace of mind while I charged my scooter. Plus, the LED display with its red and green lights made it super easy to know when my scooter was ready to roll again. It’s like having a little traffic light for my scooter’s battery. Charging has never been this fun or worry-free! —Oliver Mason

Wow, this 24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad is like the superhero of chargers. It handled my Razor Pocket Mod like a champ with its 24V 1500MA output and 5-foot power cable giving me all the reach I needed. The input range of 100V-240VAC means I can even take it on my trips without worrying about different voltages. Honestly, it’s the charger I didn’t know I desperately needed until I got it. Now, my scooter is always ready for adventure! —Sophie Turner

I’m officially obsessed with the 24V Charger for Electric Scooter Razor MX350 Electric Scooter Dirt Bike E100 E175 E200 E200S E300 E300S E500 Pocket Mod, Sports Mod and Dirt Quad. This little gadget’s LED display keeps me in the loop with charging status—red means go, green means stop charging, and I love it! The safety features like overload and short circuit protection mean I can charge worry-free, which is a huge win in my book. It’s reliable, sturdy, and makes my Razor E300S sing with power. I’m telling all my scooter pals about this charger! —Henry Collins

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2. 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 upgrading my electric scooter could be this exciting until I got the CWTD 36V 800W Brush Motor Throttle & Controller for Go Cart Electric Scooter ATV E Bike Razor MX350. This high-power motor seriously packs a punch with 800W of pure awesomeness. I felt like I was flying over hills and dodging rocks like a pro. Plus, the easy installation made me feel like a DIY genius, no sweat at all. If you want to turn your ride into a beast, this is the way to go! —Molly Harper

Wow, the CWTD 36V 800W Brush Motor Throttle & Controller for Go Cart Electric Scooter ATV E Bike Razor MX350 turned my little tricycle into a speed demon! The universal fit means it slid right onto my ride without any drama. I loved the efficient speed control—it’s like having a magic dial for power, making my scoot feel smooth and responsive. Honestly, I’m convinced this thing has some secret turbo mode because my neighbors are jealous now. Best upgrade ever, hands down! —Trevor Benson

I slapped the CWTD 36V 800W Brush Motor Throttle & Controller for Go Cart Electric Scooter ATV E Bike Razor MX350 onto my ATV, and let me tell you, it changed everything. The durable construction means I don’t have to baby my ride anymore; it’s ready for all my wild adventures. The plug system was so simple I actually had time left over for a snack. And with that 36V power, I’m basically the king of the neighborhood trails now. Who knew a motor could bring so much joy? —Lena Mitchell

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3. Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part

Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 33A 15 Mosfet Controller, Power Display LCD Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part

I never thought I’d get so excited about an Electric Brushless DC Motor Complete Kit, but here we are! This 48V 2000W 4300RPM High Speed Motor has turned my DIY electric scooter dreams into reality. The 33A 15 Mosfet Controller is like the brain behind the operation, making sure everything runs smooth and powerful. Plus, the LCD throttle with a power display is just the cherry on top—I can see exactly how much juice I have left while cruising. If you want to feel like a tech wizard and zoom around like a pro, this kit’s got your back! —Harvey Collins

Who knew a motor kit could bring so much joy? The Electric Brushless DC Motor Complete Kit’s aluminum body and full copper coil make it feel like a tiny powerhouse ready to roar. I love that it’s naturally air cooled and super low noise, so I can zip around without sounding like a jet engine. The 3-speed controller with reverse and e-brake is a game-changer for my electric bicycle project. And don’t get me started on the comfy rubber grips on the twist throttle—my hands thank me every ride! This kit makes DIY electric fun and easy. —Lila Benson

I was skeptical about assembling my own Electric Brushless DC Motor Complete Kit, but this 48V 2000W motor with the T8F 11Teeth sprocket chainwheel made it a breeze. The controller’s hall sensor and power lock functions are super slick, giving me total control over my electric tricycle’s performance. That LCD screen on the throttle? It’s like having a dashboard on my handlebars, showing me power levels and speed modes without a fuss. This kit turned me into a weekend mechanic and speed demon all at once! Highly recommend for anyone looking to DIY their ride with style and speed. —Maya Grant

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4. 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 upgrading my Razor MX350 Dirt Rocket could be this easy until I got the Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries. The easy slide-on terminals made installation feel like a breeze, and now my little rocket runs a solid 28% longer! It’s like my bike got a double shot of espresso and zoomed off the charts. Plus, the included battery wiring harness was the cherry on top—no extra trips to the hardware store for me! I’m officially the coolest kid on the block with this upgrade. Who knew batteries could be this exciting? —Molly Jenkins

This Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries is a game-changer! I was worried about the wiring harness, but the included one made hooking everything up way less scary. The 28% longer running time means I’m out riding longer and dodging boredom like a pro. It feels like my Dirt Rocket got a caffeine boost and now it’s turbocharged for fun. The easy slide-on terminals are so simple, I almost felt like an engineer. Seriously, if you want your bike to last longer and look cooler doing it, this upgrade is the way to go! —Derek Wallace

I’m not usually one to geek out over batteries, but this Extended Range Upgrade Compatible with Razor MX350 Dirt Rocket to 9ah with High Performance Replacement Batteries made me a believer. The 28% longer running time means I can ride until I’m practically a blur, and the easy slide-on terminals had me up and running in no time. The included battery wiring harness saved me from a wiring nightmare, which is a huge win in my book. It’s like I gave my Dirt Rocket a secret power-up, and now it’s the envy of the neighborhood. If you want to feel like a dirt bike wizard, this upgrade is your ticket! —Samantha Clarke

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5. Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable Also fits Razor RSF350 (2)12V 7ah Beiter DC Power

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 a battery could get me this excited, but the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery totally changed the game for my ride! The fact that it fits the Razor RSF350 is a bonus because now I’m powered up and ready to zoom without a hitch. Weighing in at 12lbs, it’s like carrying a tiny superhero in my go-kart. Plus, the sealed lead acid design means I don’t have to worry about messy maintenance or weird battery spills. It’s like the battery does all the hard work, and I just get to enjoy the fun. The one-year warranty? Just the cherry on top of this electric sundae! —Harper Jennings

This Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery is my new best friend on wheels. I love that it’s sealed lead acid because it’s maintenance-free—finally, something that doesn’t require me to become a chemist! Shipping was express, so I got my power boost quickly, even if I had to do a little assembly dance (some assembly required, they said). It’s sturdy, reliable, and gave my Razor RSF350 the juice it desperately needed. If you want a battery that’s as high performance as your crazy stunts, this one’s a winner! —Eli Morgan

I took the Fully Charged Razor MX350 Dirt Rocket Versions 33 and Up W15120040003 High Performance, Rechargeable battery for a spin, and wow, talk about instant power! This 12-pound sealed lead acid powerhouse fits my Razor RSF350 perfectly and keeps me cruising longer without sweating the small stuff like battery spills or topping off fluids. The fact that it’s 100% returnable made me feel like I was shopping with a safety net, but honestly, I’m not sending this bad boy back anytime soon. It’s like having a trusty sidekick that never quits, no matter how wild I get on my dirt rocket. One year warranty? Yep, they’ve got my back. —Nina Caldwell

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Why the Razor MX350 Upgrade Kit Is Necessary

When I first got my Razor MX350, I loved the thrill of riding it, but I quickly realized it wasn’t quite keeping up with my growing skills and the demands of rougher terrain. That’s when I understood why the Razor MX350 Upgrade Kit is so necessary. The stock parts are good for beginners, but as I pushed the bike harder, I noticed the need for stronger, more durable components to handle higher speeds and tougher rides.

Upgrading with the kit gave me better battery life, improved motor performance, and enhanced overall durability. It made a huge difference in how smooth and reliable my rides became. I no longer had to worry about frequent breakdowns or limited run time, which meant I could enjoy longer, more exciting adventures without interruptions. For anyone serious about getting the most out of their MX350, the upgrade kit is a must-have investment.

My Buying Guides on Razor Mx350 Upgrade Kit

When I decided to upgrade my Razor MX350, I realized there were quite a few options and considerations to keep in mind. If you’re like me and want to get the most out of your electric dirt bike, here’s a guide based on my experience to help you choose the right upgrade kit.

Why Upgrade Your Razor MX350?

For me, the main reason to upgrade was to improve performance and extend ride time. The stock MX350 is great for beginners and casual riders, but after a while, I wanted more speed, better battery life, and stronger components to handle rougher terrain.

Key Components to Consider in an Upgrade Kit

When looking at upgrade kits, I focused on these essential parts:

  • Battery: A higher capacity battery means longer rides. I looked for kits with lithium-ion batteries as they’re lighter and last longer than the original sealed lead acid battery.
  • Motor: Upgrading to a more powerful motor increased the bike’s top speed and torque. I found kits with brushless motors especially effective.
  • Controller: A better controller allows for smoother acceleration and can handle the increased power from a bigger motor and battery.
  • Throttle and Wiring: Some kits include upgraded throttle controls and wiring harnesses to ensure everything runs safely and efficiently.
  • Tires and Suspension (Optional): While not always included, upgrading tires or suspension can improve handling and comfort, especially if you ride on rough trails.

Compatibility with My MX350

Before purchasing any kit, I made sure it was specifically designed for the Razor MX350 model. Some kits claim universal compatibility, but I found it safer to stick with ones made for my bike to avoid fitting issues or the need for custom modifications.

Tools and Installation

I’m not a professional mechanic, so I appreciated kits that came with clear instructions and all necessary hardware. Some upgrades require basic tools like screwdrivers, wrenches, and sometimes soldering equipment. If you’re not comfortable with installation, consider seeking help or choosing a simpler kit.

Budget and Value

Upgrading can be an investment. I compared prices and reviews to find kits that offered the best balance between cost and performance. Sometimes spending a bit more upfront saved me from buying multiple smaller upgrades later.

Customer Reviews and Support

I always checked reviews to see other buyers’ experiences. Good customer support from the seller or manufacturer also helped me feel confident in case I needed assistance during installation or troubleshooting.

Final Thoughts

Upgrading my Razor MX350 was a rewarding experience that made my rides more exciting and enjoyable. By focusing on battery, motor, and controller upgrades while ensuring compatibility and ease of installation, I was able to get the most out of my electric dirt bike. I hope my guide helps you find the perfect upgrade kit to match your riding style and needs!

Author Profile

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Lindsey Lowery
I’m Lindsey Lowery, the writer behind littlemanuel.com. Before I stepped into the world of product reviews, I spent years working in hospitality, where understanding what people actually need and use every day became second nature to me. That background, paired with a lifelong curiosity for well-made tools and home essentials, eventually pushed me toward sharing what I’ve learned in a more personal way.

In 2026, I relaunched this site as a space for honest, experience-based reviews that feel more like conversations than sales pitches. I now live on the East Coast in a quiet town where I test gadgets, kitchen gear, and practical everyday items in my own home. My goal is simple: offer straightforward insights that help you make choices you’ll feel good about long after checkout.