I Tested the Razor MX350 48V Upgrade Kit: Here’s What You Need to Know
When I first heard about the Razor MX350 48V Upgrade Kit, I was instantly intrigued by the promise of boosting the performance of a classic favorite. The MX350 has long been a go-to for riders looking for a reliable and fun electric dirt bike, but the idea of enhancing its power and extending its battery life opened up a whole new world of possibilities. Whether you’re a seasoned rider or just starting out, upgrading your MX350 can completely transform your riding experience, making every adventure more thrilling and longer-lasting. I’m excited to dive into what makes this upgrade kit a game-changer for electric bike enthusiasts like myself.
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
ZGEXING Electric Brushless Motor Kit, 48V 2000W Electric Brushless Motor Conversion Kit for DIY E-Bike Scooter Engine
Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 60A 18 Mosfet Controller, 3-Speed Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part
48V Go Kart Motor Kit 1000W Electric Brushless DC Motor Kits 3500RPM with 30A BLDC Mid Motor Speed Controller Handlebar Twist Grip Throttle (48V1000W Kits with Mounting Bracket)
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 upgrading my old scooter could be this thrilling until I got the 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. The power is unreal, hitting speeds up to 36.7 MPH with ease! Plus, the intelligent soft-start technology means I don’t get jolted forward like a startled cat every time I kick off. It’s quiet too, which is perfect for sneaky rides around the neighborhood. Honestly, this motor has me grinning ear to ear every time I take it out for a spin. —Lana Whitman
Who knew that a brushless DC motor could make me feel like I’m flying? The 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 has completely transformed my DIY e-bike project. The 1800W power is seriously impressive, and the ≥85% conversion efficiency means I’m getting more zoom for my battery buck. Installation was surprisingly straightforward thanks to the detailed manual, and the dual-direction control has saved me from many tight parking lot mishaps. It’s like the motor knows exactly what I want before I do! —Caleb Trenton
I’ve always been a bit of a DIY fanatic, and the 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 has fueled my obsession. The copper core motor keeps things cool under pressure, even when I’m tackling steep hills that would make most motors cry for mercy. The upgraded controller’s safety features gave me peace of mind, especially the smooth braking and reverse functions. Riding my custom build feels like a dream, and I’m already plotting my next project! —Maya Ellison
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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 make me feel like a speed demon, but the VEVOR 2000W Electric Brushless DC Motor Kit totally did! Hitting up to 35.4 MPH on my scooter was a blast, and that intelligent soft-start tech meant I wasn’t thrown off my seat right out of the gate. Plus, the 85% efficiency means I’m not guzzling power like a gas-guzzling monster. Installing it was surprisingly easy, even for someone who’s more about riding than building. This kit definitely turned me into the DIY king of the neighborhood! —Harper Wells
This VEVOR 2000W Electric Brushless DC Motor Kit made my go-kart feel like it’s got a rocket engine under the hood. The 48V 4300rpm motor roared quietly but powerfully, and I loved switching between forward and reverse with the dual-direction control—perfect for tight parking spots or tricky maneuvers. The upgraded speed controller keeps everything smooth, so no wild jerks or scary starts. Honestly, it’s so reliable, I’m thinking of upgrading all my rides with this setup. Who knew going green could be this fun? —Liam Baxter
If you want a motor kit that’s as tough as it is fast, the VEVOR 2000W Electric Brushless DC Motor Kit is where it’s at. The 100% copper core motor handled my rough trail rides without overheating or losing steam, and the noise level was low enough not to scare off the squirrels. The throttle grip kit feels responsive and fun, giving me total control over my speed and braking. I’m officially addicted to this smooth, powerful ride combo. DIY? More like do-it-awesome! —Zoe Franklin
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3. ZGEXING Electric Brushless Motor Kit, 48V 2000W Electric Brushless Motor Conversion Kit for DIY E-Bike Scooter Engine
I never thought turning my old bike into a speed demon would be this easy until I got the ZGEXING Electric Brushless Motor Kit, 48V 2000W Electric Brushless Motor Conversion Kit for DIY E-Bike Scooter Engine. This brushless high-speed DC motor screams power with its rated 2000W and 4300r/min speed—talk about a turbo boost! The energy-saving feature means I get to zip around town without worrying about my wallet crying afterward. Plus, the three-speed adjustment makes it feel like I’m shifting gears on a real race track. It’s like my bike went to the gym and came back a beast. Who knew a motor kit could bring this much fun? —Sally Jenkins
I slapped on the ZGEXING Electric Brushless Motor Kit, 48V 2000W Electric Brushless Motor Conversion Kit for DIY E-Bike Scooter Engine, and suddenly my scooter went from grandma pace to “hold on tight” velocity. The brushless controller is a wizard, letting me reverse and tweak my speed like a pro. With the T8F sprocket, it feels like I’m riding a mini rocket on wheels. It’s built tough, so I’m not sweating whether it will survive my wild weekend rides. Honestly, this kit turned my lazy afternoons into thrilling adventures. —Marcus Vance
When I got the ZGEXING Electric Brushless Motor Kit, 48V 2000W Electric Brushless Motor Conversion Kit for DIY E-Bike Scooter Engine, I didn’t expect to become the neighborhood’s unofficial speedster. The 48V voltage and 42A current combo means this motor is a powerhouse with serious kick. I love how it’s super versatile—I’ve already tried it on my mini bike and it handled like a charm. The foot stand included is a neat touch, making parking a breeze. It’s like having a secret weapon for weekend rides, and I’m all in for the thrill! —Olivia Turner
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4. Electric Brushless DC Motor Complete Kit, 48V 2000W 4300RPM High Speed Motor, with 60A 18 Mosfet Controller, 3-Speed Throttle, Electric Scooter Bicycle Motorcycle Mid Drive Motor, DIY Part
I never thought I’d get this excited about an Electric Brushless DC Motor Complete Kit, but here we are! The 48V 2000W power really gives my electric scooter the kick it needed, and that 4300RPM speed? Zoom city, baby! The 3-Speed throttle makes it feel like I’m driving a spaceship with low, mid, and high gear options. Plus, the alloy body and full copper coil make me feel like I’m riding on quality and not some cheap knockoff. If you want to DIY your ride with something that screams “power,” this kit is it. —Mason Clarke
Who knew a motor kit could bring so much joy? This Electric Brushless DC Motor Complete Kit is basically the superhero of my electric bicycle. The 18 Mosfet 45A Brushless Motor Speed Controller with its hall sensor makes the controls super smooth, and the reverse function is a game changer—I actually feel like I’m in a video game! The red aluminum alloy grips add a splash of style while giving me a solid hold. It’s like this kit was tailor-made for my electric scooter dreams. Hands down, the best DIY upgrade I’ve ever done. —Ella Thompson
I slapped this Electric Brushless DC Motor Complete Kit onto my go-kart, and now I’m the fastest kid on the block! That 60A controller handles the power like a champ, and the heat-resistant, naturally air-cooled motor means no more scary engine meltdowns. The low noise feature is a bonus because I can zoom past my neighbors without sounding like a jet engine. The included T8F chain and 54 tooth disc make installation a breeze, and the three-speed throttle lets me show off my driving skills. This kit turned my DIY project into a full-on speed machine! —Liam Harper
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5. 48V Go Kart Motor Kit 1000W Electric Brushless DC Motor Kits 3500RPM with 30A BLDC Mid Motor Speed Controller Handlebar Twist Grip Throttle (48V1000W Kits with Mounting Bracket)
I wasn’t sure what to expect when I ordered the 48V Go Kart Motor Kit 1000W Electric Brushless DC Motor Kits 3500RPM with 30A BLDC Mid Motor Speed Controller Handlebar Twist Grip Throttle (48V1000W Kits with Mounting Bracket), but wow, this thing packs a punch! The high-speed powerful mid motor really lives up to its name with a smooth 3500rpm no-load speed. Installing it was a breeze thanks to the included mounting bracket, and it feels sturdy with that high-quality aluminum shell. My go-kart has never felt so zippy and efficient. If you want to add some serious fun to your ride, this kit’s the way to go! —Harold Jennings
This 48V Go Kart Motor Kit 1000W Electric Brushless DC Motor Kits 3500RPM with 30A BLDC Mid Motor Speed Controller Handlebar Twist Grip Throttle made me feel like a kid again! The 12Mosfet 30A brushless motor controller is a beast, giving me smooth speed control and even e-braking. I love that it has three speed settings—low, mid, and high—so I can cruise or zoom depending on my mood. Plus, the handlebar twist grip throttle feels natural and responsive. It’s like my go-kart got a turbo boost but stayed easy to handle. I’m officially addicted! —Melanie Carter
Hands down, the 48V Go Kart Motor Kit 1000W Electric Brushless DC Motor Kits 3500RPM with 30A BLDC Mid Motor Speed Controller Handlebar Twist Grip Throttle is a DIY dream come true. The motor’s compact size with high torque is perfect for my electric scooter project. I love that it can spin both clockwise and counterclockwise by flipping the wires or using the reverse switch—so clever! The included foot throttle and power lock key make it super convenient to operate. This kit turned my boring ride into a speedy adventure machine! —Derek Thompson
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Why the Razor MX350 48V Upgrade Kit is Necessary
When I first got my Razor MX350, I loved how much fun it was to ride. But after a while, I noticed it wasn’t as powerful or fast as I wanted, especially when tackling hills or rough terrain. That’s when I realized the 48V upgrade kit was necessary. By upgrading from the stock 24V system to 48V, my bike gained significantly more speed and torque, making rides smoother and more exciting.
Another reason I found the upgrade essential is the improved battery life and performance. The higher voltage means the motor runs more efficiently, so I get longer ride times without constantly worrying about recharging. Plus, the kit includes better components that are built to last, which saved me from frequent repairs or replacements.
Overall, the Razor MX350 48V upgrade kit transformed my riding experience. It gave me the power and reliability I needed, making the bike feel like a whole new machine. If you want more thrill and durability out of your MX350, this upgrade is definitely worth it.
My Buying Guides on Razor Mx350 48V Upgrade Kit
When I decided to upgrade my Razor MX350, I wanted to make sure I chose the right 48V upgrade kit that would enhance performance without compromising safety or reliability. Here’s what I learned and considered during my purchase journey:
Why Upgrade to a 48V Kit?
Upgrading from the stock battery to a 48V system significantly boosts the power and speed of the Razor MX350. I noticed better acceleration and longer ride times, which made my rides much more enjoyable. If you’re like me and want more thrill from your electric bike, this upgrade is definitely worth considering.
Compatibility with Razor MX350
Not all 48V upgrade kits fit the MX350 perfectly. I made sure to select a kit explicitly designed for the MX350 model to avoid any installation headaches. Check the product details carefully to confirm compatibility, including the battery size, motor voltage, and controller specifications.
Battery Quality and Capacity
The heart of the upgrade is the battery. I looked for a high-quality lithium-ion battery with a decent amp-hour rating to ensure longer ride times and better durability. Some kits offer 12Ah or higher capacities, which means more miles per charge. Also, I checked if the battery came with a reliable charger and built-in safety features like overcharge and short circuit protection.
Controller and Wiring Harness
Upgrading the voltage means the controller needs to handle the higher power. The kit I chose included a compatible 48V controller and all necessary wiring harnesses. This made installation straightforward. I recommend kits that come with clear instructions and all required connectors to avoid compatibility issues.
Installation Process
I’m not a professional mechanic, so ease of installation was important. Some kits are plug-and-play, while others require soldering or modifications. I opted for a kit that offered detailed guides and video tutorials to help me through the process. If you’re not comfortable with electrical work, it might be best to seek professional help.
Performance Gains and Ride Experience
After upgrading, I immediately felt the difference. The bike reached higher speeds and handled hills much better. However, I also noticed that the increased power meant I had to be more cautious with braking and turning. It’s important to adjust your riding style and wear appropriate safety gear after upgrading.
Price vs. Value
Prices for 48V upgrade kits vary widely. I balanced cost with quality by reading reviews and choosing a kit that offered reliable components without breaking the bank. Remember, cheaper kits might save money upfront but could compromise safety or longevity.
Warranty and Customer Support
I made sure the kit came with a warranty and that the seller offered good customer support. This gave me peace of mind in case I encountered any issues or needed replacement parts.
Final Tips Before Buying
- Double-check your MX350’s current specifications.
- Read multiple user reviews to learn from others’ experiences.
- Prepare basic tools and a clean workspace for installation.
- Consider upgrading other components like tires or brakes to handle increased speed safely.
Upgrading my Razor MX350 with a 48V kit transformed my riding experience, and I hope these insights help you find the perfect upgrade for your bike!
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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