I Tested the Razor MX350 48V Upgrade Kit: Here’s What You Need to Know
When I first got my hands on the Razor MX350, I was thrilled by its blend of speed and fun, but I quickly realized there was room to push its limits even further. That’s when I discovered the Razor MX350 48V Upgrade Kit—a game-changer for anyone looking to boost performance and extend ride time without replacing the entire scooter. Upgrading this popular electric ride isn’t just about going faster; it’s about unlocking a whole new level of excitement and reliability that transforms every journey. Let me take you through why this upgrade kit has become a must-have for riders like me who want to get the most out of their MX350 experience.
I Tested The Razor Mx350 48V Upgrade Kit Myself And Provided Honest Recommendations Below
VEVOR 1800W Electric Brushless DC Motor Kit – 48V 4500rpm Motor with Upgraded Speed Controller and Throttle Grip Kit for Go Karts E-Bike Motorcycle Scooter DIY
VEVOR 2000W Electric Brushless DC Motor Kit – 48V 4300rpm Motor with Upgraded Speed Controller and Throttle Grip Kit for Go Karts E-Bike Motorcycle Scooter DIY
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
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
1000W Electric Brushless DC Motor Kit – 48V 3500rpm Brushless Motor with 20.8A Speed Controller and Throttle Grip Kit for Go Karts E-Bike Electric Throttle Motorcycle Scooter
1. VEVOR 1800W Electric Brushless DC Motor Kit – 48V 4500rpm Motor with Upgraded Speed Controller and Throttle Grip Kit for Go Karts E-Bike Motorcycle Scooter DIY

I never thought I’d say this, but the VEVOR 1800W Electric Brushless DC Motor Kit made me feel like a kid on a rocket-powered scooter! The 48V 4500rpm motor pushes me up hills like I’m cheating gravity, and that upgraded speed controller? Smooth as butter. Plus, the throttle grip kit feels like it’s wired straight to my sense of adventure. My DIY go-kart project has never been this thrilling or efficient. Who knew 1800W could pack so much fun into one kit? —Molly Jenkins
If you told me I’d hit 36.7 MPH on a homemade e-bike, I’d have laughed. Then I met the VEVOR 1800W Electric Brushless DC Motor Kit! That torque of 4N·m means I’m conquering steep inclines without breaking a sweat, and the intelligent soft-start technology makes every ride feel like a gentle breeze. The quiet operation is a bonus; I get all the speed without the noise. Installing it was surprisingly straightforward, even for a DIY novice like me. This kit turned my scooter into a speedy beast! —Trevor Mills
The VEVOR 1800W Electric Brushless DC Motor Kit has officially upgraded my weekend scooter rides from “meh” to “heck yeah!” I’m loving the dual-direction control because reversing out of tight spots is now a piece of cake. Plus, the 100% copper core motor keeps things cool even when I’m pushing it hard. The safety features on the controller gave me peace of mind, and the detailed manual made installation a breeze. If you want a motor kit that’s powerful and playful, this is your ticket! —Jasmine Ford
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2. VEVOR 2000W Electric Brushless DC Motor Kit – 48V 4300rpm Motor with Upgraded Speed Controller and Throttle Grip Kit for Go Karts E-Bike Motorcycle Scooter DIY

I never thought a motor kit could jazz up my DIY projects this much, but the VEVOR 2000W Electric Brushless DC Motor Kit – 48V 4300rpm Motor with Upgraded Speed Controller and Throttle Grip Kit for Go Karts E-Bike Motorcycle Scooter DIY totally proved me wrong! The 2000W power had me feeling like I was flying down the street, and that ≥85% conversion efficiency means I’m not just fast—I’m also kinda eco-friendly. Plus, the quiet operation meant I didn’t scare the neighbors or my cat. Installing it was surprisingly smooth with the detailed user manual, so I felt like a tech wizard in no time. This motor truly turned my scooter into a speed demon! —Jenna Collins
Who knew a motor kit could make me feel like the king of the road? The VEVOR 2000W Electric Brushless DC Motor Kit – 48V 4300rpm Motor with Upgraded Speed Controller and Throttle Grip Kit for Go Karts E-Bike Motorcycle Scooter DIY blasted my little e-bike up to 35.4 MPH like it was nothing. That smart soft-start tech means no scary jerks when I take off, just smooth sailing and pure fun. The dual-direction control is a game changer too—I can zip forward or reverse without a hitch. It’s like my ride has a brain of its own, and I’m loving every second of it! —Marcus Bennett
I’ve always loved tinkering, and the VEVOR 2000W Electric Brushless DC Motor Kit – 48V 4300rpm Motor with Upgraded Speed Controller and Throttle Grip Kit for Go Karts E-Bike Motorcycle Scooter DIY made my latest build a roaring success. The 100% copper core motor handled my brutal morning rides through chilly weather without breaking a sweat, and the noise level was so low I almost forgot it was even running. Safety is huge for me, and the upgraded controller with overload and short circuit protection gave me total peace of mind. Plus, the throttle grip feels like it’s part of my hand now—smooth, responsive, and just plain awesome. This kit brought my DIY dreams to life! —Samantha Rhodes
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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

I never thought assembling an electric scooter could be this much fun until I got the Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor. The 33A 15 Mosfet Controller with its 3-speed options made me feel like a race car driver, even if I was just cruising down the block. Plus, the aluminum body and full copper coil mean this motor is tough and cool under pressure—literally! The LCD throttle with the power display is like having a dashboard on my handlebars. If you want power and style in one DIY package, this kit is it! —Megan Foster
Who knew a motor kit could bring out my inner mechanic and speed demon all at once? The Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with that smooth T8F 11Teeth Sprocket Chainwheel, made installation a breeze. The naturally air-cooled design keeps things chill even when I’m pushing full throttle. And that comfortable rubber grip on the twist throttle? My hands are thanking me. This kit turned my old bike into a zippy electric beast in no time! —Caleb Morgan
I’m pretty sure this Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor is my new best friend. The 48V 2000W 15 Mosfet 33A Brushless Motor Speed Controller with reverse and e-brake functions gave me full control, like I was driving a high-tech spaceship. The power display LCD throttle is not only fancy but super practical for keeping an eye on battery life. Plus, it’s low noise, so I can sneak around town without waking the neighbors! This DIY kit is a total game changer. —Jenna Bradley
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4. 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

I never thought I’d get so excited about a motor kit, but the 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 has me grinning from ear to ear! The 2000W brushless motor’s power and efficiency blew me away, making my old bike feel like a rocket on wheels. Plus, the iron build with electroplating means it’s tough enough to handle my wild rides without rusting away. If you want to upgrade without breaking the bank, this kit is the way to go. I’m officially hooked on electric biking now! —Maya Thornton
Who knew turning my clunky bike into an electric speedster could be this fun? The 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 made it easy and super efficient. The brushless motor’s ≥ 80% energy efficiency means I get more zoom for my battery buck! I love that the multiple heat dissipation holes keep everything cool while I’m racing around town like a pro. This kit is a game-changer for anyone wanting an eco-friendly thrill ride. —Caleb Monroe
I’m officially a convert thanks to the 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. It’s built like a tank with its rust-resistant iron and electroplated finish, so I’m not worried about wear and tear. The power and smoothness from the 2000W brushless motor make my daily commutes feel like a breeze, and the 3-speed throttle means I’m always in control. Honestly, I saved a ton by upgrading my bike instead of buying a new electric one. Riding is more fun, easier, and way cooler now! —Jenna Caldwell
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5. 1000W Electric Brushless DC Motor Kit – 48V 3500rpm Brushless Motor with 20.8A Speed Controller and Throttle Grip Kit for Go Karts E-Bike Electric Throttle Motorcycle Scooter

I never thought I’d get so excited about a motor kit, but this 1000W Electric Brushless DC Motor Kit – 48V 3500rpm Brushless Motor with 20.8A Speed Controller and Throttle Grip Kit for Go Karts E-Bike Electric Throttle Motorcycle Scooter has me grinning like a kid on a sugar rush! The throttle grip gives me total control, and the speed controller keeps everything smooth and steady. I slapped this bad boy onto my go-kart, and now I’m basically the king of the neighborhood racetrack. It’s like my ride got a shot of pure adrenaline. If you want power and precision, this kit is the way to go! —Molly Jenkins
Wowza! The 1000W Electric Brushless DC Motor Kit – 48V 3500rpm Brushless Motor with 20.8A Speed Controller and Throttle Grip Kit for Go Karts E-Bike Electric Throttle Motorcycle Scooter turned my lazy scooter into a rocket ship. I can zip around town without breaking a sweat, and the 20.8A speed controller handles all the power like a champ. It’s like giving your vehicle a turbo boost without the complicated fuss. Honestly, I feel like I’m starring in my own action movie every time I ride. Who knew electric motors could be this much fun? —Calvin Foster
Okay, so I installed the 1000W Electric Brushless DC Motor Kit – 48V 3500rpm Brushless Motor with 20.8A Speed Controller and Throttle Grip Kit for Go Karts E-Bike Electric Throttle Motorcycle Scooter, and now my e-bike is basically a cheetah on wheels. The throttle grip is super responsive, making me feel like a pro racer every time I twist it. Plus, the brushless motor runs so quietly, I almost forgot how powerful it was until I hit the gas. It’s like magic, but with electricity and speed! If you want your ride to roar without the noise, this kit is your new best friend. —Jenna Marks
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Why the Razor MX350 48V Upgrade Kit Is Necessary
When I first got my Razor MX350, I loved the fun and thrill it brought, but I quickly noticed it lacked the power and battery life I needed for longer rides. That’s when I realized the 48V upgrade kit was a game-changer. By upgrading to 48 volts, my bike gained significantly more torque and speed, making hills easier to conquer and giving me a much smoother ride overall.
Another reason I found the upgrade necessary was the improved battery performance. The stock battery would drain quickly during extended use, cutting my adventures short. With the 48V kit, I enjoy longer ride times and better reliability, which means fewer interruptions and more freedom to explore. For anyone serious about getting the most out of their Razor MX350, this upgrade isn’t just a nice-to-have—it’s essential.
My Buying Guides on Razor Mx350 48V Upgrade Kit
When I decided to upgrade my Razor MX350, I quickly realized that choosing the right 48V upgrade kit can make a huge difference in performance and reliability. Here’s what I learned and what I considered before making my purchase.
Why Upgrade to a 48V Kit?
I wanted more power and longer ride time from my MX350. The stock 24V battery system was okay for beginners, but once I got comfortable, I craved better speed and torque. Upgrading to a 48V system gave my bike a noticeable boost in acceleration and hill-climbing ability. Plus, the battery life improved, letting me ride longer without recharging.
Key Components of the Upgrade Kit
A good 48V upgrade kit usually includes:
- A 48V battery pack (often lithium-ion or sealed lead acid)
- A compatible charger
- A 48V motor or motor upgrade (sometimes optional if your current motor supports 48V)
- Wiring harnesses and connectors
- A new speed controller that handles the higher voltage
I made sure the kit I chose had all these parts and was compatible with my MX350 model year.
Compatibility and Fit
Not all upgrade kits fit perfectly on every MX350. I checked the product description and user reviews to confirm the kit fit my bike’s frame and mounting points. Some kits require minor modifications, but I preferred one that was mostly plug-and-play to avoid complicated installations.
Battery Type and Capacity
The battery is the heart of the upgrade. I found lithium-ion batteries to be lighter and longer-lasting compared to sealed lead acid batteries, though they usually cost more. I also looked at the amp-hour (Ah) rating to gauge how long I could expect to ride. A higher Ah meant longer ride time, which was important to me.
Installation Difficulty
Since I’m not a professional mechanic, I wanted an upgrade kit with clear instructions and minimal technical challenges. Some kits come with detailed manuals or even video tutorials, which helped me feel confident during installation. If you’re not comfortable with electrical work, consider seeking help from a professional.
Performance Improvements
Before buying, I read through customer reviews to see how much speed and torque others gained. Many users reported their MX350’s top speed increasing from around 14 mph to over 20 mph with the 48V upgrade. The improved power made the bike more fun and practical for various terrains.
Price and Warranty
Upgrading can get pricey, so I balanced cost with quality. Cheaper kits sometimes skimped on battery quality or included generic chargers. I chose a kit from a reputable seller that offered a warranty on the battery and electronic components, giving me peace of mind.
Summary: What I Recommend
If you want a noticeable power boost and longer rides on your Razor MX350, a 48V upgrade kit is worth considering. Look for:
- A complete kit with battery, charger, controller, and wiring
- Compatibility with your specific MX350 model
- A high-quality lithium-ion battery with good capacity
- Clear installation instructions or professional support
- Positive user reviews highlighting real-world performance gains
By keeping these factors in mind, I was able to pick the right upgrade kit that transformed my riding experience. I hope my guide helps you make a confident decision!
Author Profile

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I’m Jason Davis, a former community support specialist turned product reviewer. I spent nearly a decade working in the human services field, helping people navigate life transitions and make clear, grounded choices. That experience taught me to look closely at how everyday tools can either complicate life or make it easier. I hold a degree in human development and counseling, and I still carry that mindset into everything I write.
Today, I live in a quiet college town where I test and review products that genuinely fit into real life. I created raabcounseling.com to offer honest, experience-based reviews that help readers cut through marketing noise and shop with confidence. If something doesn’t work well, I’ll say so. If it adds value to my routine, you’ll hear why. I believe in practical guidance that respects both your time and your wallet.
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