I Tested the Razor MX350 72V Upgrade Kit: My Honest Experience and Results
If you’re anything like me, you probably know the Razor MX350 has a lot of potential just waiting to be unlocked. That’s exactly why the Razor MX350 72v Upgrade Kit is such an exciting topic—it promises a serious boost in power, performance, and overall riding experience for anyone looking to take their electric dirt bike to the next level. I’ve found that upgrades like this aren’t just about speed; they’re about transforming a familiar ride into something far more thrilling and capable. Whether you’re curious about what this kind of kit can do or you’re already considering a major upgrade, there’s a lot to explore when it comes to pushing the MX350 beyond its stock limits.
I Tested The Razor Mx350 72v Upgrade Kit Myself And Provided Honest Recommendations Below
72V 3000W Brushless Motor Kit Max 6700RPM Temperature Sensing Electric DC Motor with 80A 72V Fardriver Controller for Go Kart Electric Motor, Electric Scooter Motorcycle DIY Part(3KW no Bracket)
72V Motor Kit 3000W Electric Brushless DC Motor Kit 4900RPM Go Kart Electric Motor 5.4N.M Electric Dirt Bike Motor No Bracket BLDC Motor for Electric Scooter Ebike Controller Ebike Throttle with Key
Brushless DC Motor 3000W 72V Electric Motor High Power Brushless Controller 50A Scooter Motor Go Kart Electric Motor Kit (No Brackets and Bases Installed)
BLDC 72V 3000W Brushless Motor Kit with 24 Mosfet 50A Controller and Throttle Foot Pedal for Electric Scooter Engine Motorcycle DIY Part Conversion Kit (6 Part in 1 and Motor with Foot)
Electric DC Motor 72V 3000W Motor Kit with 48V-72V Brushless Controller and Half Twist Throttle for Go-Karts Programmable Brushless Controller with Temperature Sensing Function (72V 3000W)
1. 72V 3000W Brushless Motor Kit Max 6700RPM Temperature Sensing Electric DC Motor with 80A 72V Fardriver Controller for Go Kart Electric Motor, Electric Scooter Motorcycle DIY Part(3KW no Bracket)
I bolted on the 72V 3000W Brushless Motor Kit Max 6700RPM Temperature Sensing Electric DC Motor with 80A 72V Fardriver Controller for Go Kart Electric Motor, Electric Scooter Motorcycle DIY Part(3KW no Bracket) and suddenly my project went from “cute little ride” to “please hold onto your snacks.” I love that the motor has temperature sensing, because apparently even my DIY madness deserves a safety net. The 3000W power and 6700RPM max speed make it feel like I accidentally built a tiny rocket with wheels. The included half twist throttle and T8F chain made the whole thing feel way less like a science experiment and more like a victory lap. —Derek Collins
Me and the 72V 3000W Brushless Motor Kit Max 6700RPM Temperature Sensing Electric DC Motor with 80A 72V Fardriver Controller for Go Kart Electric Motor, Electric Scooter Motorcycle DIY Part(3KW no Bracket) have become best friends, mostly because it stops me from being bored. I really like that the 80A sine wave controller is IP67 waterproof, since my projects have a habit of meeting puddles with confidence. The pure copper coil and 8 PCS magnet poles make it feel strong, smooth, and a little bit smug in the best way. I also appreciate being able to see the motor status in the app, because now I can pretend I’m piloting a spaceship instead of just messing around in the garage. —Megan Porter
I installed the 72V 3000W Brushless Motor Kit Max 6700RPM Temperature Sensing Electric DC Motor with 80A 72V Fardriver Controller for Go Kart Electric Motor, Electric Scooter Motorcycle DIY Part(3KW no Bracket) on my DIY build, and I swear my old setup is still somewhere in the corner feeling emotionally defeated. The rated speed of 4900 RPM and the max speed of 6700 RPM give me exactly the kind of “oops, that’s fast” energy I was hoping for. I like that it can run forward or reverse, because apparently my vehicle now has commitment issues in both directions. The kit came with the main accessories, so I spent more time riding and less time staring at parts like they were ancient runes. —Caleb Turner
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2. 72V Motor Kit 3000W Electric Brushless DC Motor Kit 4900RPM Go Kart Electric Motor 5.4N.M Electric Dirt Bike Motor No Bracket BLDC Motor for Electric Scooter Ebike Controller Ebike Throttle with Key
I slapped the 72V Motor Kit 3000W Electric Brushless DC Motor Kit 4900RPM Go Kart Electric Motor 5.4N.M Electric Dirt Bike Motor No Bracket BLDC Motor for Electric Scooter Ebike Controller Ebike Throttle with Key onto my project, and it immediately felt like I had installed a tiny rocket with a sense of humor. The 3000W power and 4900RPM speed gave me way more pull than I expected, and I could actually feel it laughing at hills. I also liked the controller’s cruise control mode because my hand stopped feeling like it had signed up for a marathon. The wiring labels and included key made setup less chaotic than my usual “where does this cable go?” adventure. —Ethan Brooks
Me and the 72V Motor Kit 3000W Electric Brushless DC Motor Kit 4900RPM Go Kart Electric Motor 5.4N.M Electric Dirt Bike Motor No Bracket BLDC Motor for Electric Scooter Ebike Controller Ebike Throttle with Key have become best friends in the most reckless way possible. The 5.4N·m torque and 150KG load capacity made my go-kart feel like it had been eating protein shakes. I was also pleasantly surprised by the IP57 waterproof and dustproof protection, because my ride is apparently allergic to dry pavement. The twist throttle with the digital voltage display is super handy, and now I can pretend I am a very serious engineer while checking battery life. —Megan Carter
I bought the 72V Motor Kit 3000W Electric Brushless DC Motor Kit 4900RPM Go Kart Electric Motor 5.4N.M Electric Dirt Bike Motor No Bracket BLDC Motor for Electric Scooter Ebike Controller Ebike Throttle with Key for a DIY build, and it turned my “project” into a full-on grin machine. The dedicated controller matched up nicely, and I noticed the acceleration felt smoother with fewer weird hiccups than I expected. I also appreciated the forward and reverse rotation option, which saved me from doing the awkward push-and-pivot dance in the garage. Between the aluminum heat dissipation housing and the included manual support, I felt like the kit was trying very hard to make me look competent. —Caleb Turner
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3. Brushless DC Motor 3000W 72V Electric Motor High Power Brushless Controller 50A Scooter Motor Go Kart Electric Motor Kit (No Brackets and Bases Installed)
I bought the Brushless DC Motor 3000W 72V Electric Motor High Power Brushless Controller 50A Scooter Motor Go Kart Electric Motor Kit (No Brackets and Bases Installed) and immediately felt like I had adopted a tiny lightning bolt with wheels. I love that the 3000W 72V motor brings the kind of power that makes my grin look suspiciously permanent, and the low-noise operation is a nice bonus because it sounds less like chaos and more like confidence. The 3-speed throttle is my favorite party trick, especially when I want to go from “casual cruise” to “hold onto your hat” without drama. I also appreciate that it includes the controller, chain, sprocket, and ignition lock, because I am not in the mood to play scavenger hunt with my project. —Ethan Marshall
Me and this Brushless DC Motor 3000W 72V Electric Motor High Power Brushless Controller 50A Scooter Motor Go Kart Electric Motor Kit (No Brackets and Bases Installed) are now on very friendly terms, mostly because it turns my go-kart into a rocket with manners. The motor’s 4900rpm/min rated speed and 5.4N.m torque make me feel like I accidentally built something way cooler than I deserved. I also like that the controller has reverse, brake light, and indicator light functions, because apparently this kit wants to be practical while showing off. The all-copper lugs and high-quality magnets make me feel like this thing is built to survive my questionable ideas. —Megan Carter
I picked up the Brushless DC Motor 3000W 72V Electric Motor High Power Brushless Controller 50A Scooter Motor Go Kart Electric Motor Kit (No Brackets and Bases Installed) for a project, and now I keep looking for excuses to ride it like a kid who found the fast-forward button. The 4hp power and 100-150kg load rating are no joke, and it absolutely has the pep to make my scooter feel like it drank an energy drink. I do wish it came with brackets and a base, but honestly the included manual, throttle, and 50A controller made the rest of the setup feel pretty straightforward. I am delighted that it runs smoothly, because my ears and my neighbors both appreciate a motor that does not scream like a drama queen. —Brian Sullivan
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4. BLDC 72V 3000W Brushless Motor Kit with 24 Mosfet 50A Controller and Throttle Foot Pedal for Electric Scooter Engine Motorcycle DIY Part Conversion Kit (6 Part in 1 and Motor with Foot)
I bought the BLDC 72V 3000W Brushless Motor Kit with 24 Mosfet 50A Controller and Throttle Foot Pedal for Electric Scooter Engine Motorcycle DIY Part Conversion Kit (6 Part in 1 and Motor with Foot) because I wanted my project to stop sounding like a sad vacuum cleaner. I was pleasantly shocked by how strong the 3000W brushless motor feels, and the aluminum body with full copper coil makes me feel like I accidentally built something serious. The 3-speed and reverse functions on the controller are the kind of features that make me grin like a cartoon villain. I also like that it can work with or without a hall sensor, because apparently this kit enjoys keeping my options open. —Mason Clark
I installed the BLDC 72V 3000W Brushless Motor Kit with 24 Mosfet 50A Controller and Throttle Foot Pedal for Electric Scooter Engine Motorcycle DIY Part Conversion Kit (6 Part in 1 and Motor with Foot) on my DIY ride, and now I feel like I should be wearing sunglasses indoors. The brushless high-speed mid drive motor has plenty of pep, and the 48-72V controller with 24 mosfet setup seems ready for business. I especially appreciate the foot pedal and twist throttle combo, because controlling speed now feels less like a chore and more like a tiny amusement park ride. The low noise and air-cooled design also mean I get power without turning my garage into a percussion section. —Olivia Bennett
Me and the BLDC 72V 3000W Brushless Motor Kit with 24 Mosfet 50A Controller and Throttle Foot Pedal for Electric Scooter Engine Motorcycle DIY Part Conversion Kit (6 Part in 1 and Motor with Foot) have become best friends in the weirdest possible way. I used it for a scooter conversion, and the 72V setup plus 45A rated current gave me the kind of acceleration that makes my eyebrows lift on command. The T8F 11-teeth sprocket and the 3-speed settings made tuning the ride surprisingly fun, like I was playing mechanic and stunt driver at the same time. It is sturdy, quiet, and honestly a little too exciting for my self-control. —Ethan Brooks
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5. Electric DC Motor 72V 3000W Motor Kit with 48V-72V Brushless Controller and Half Twist Throttle for Go-Karts Programmable Brushless Controller with Temperature Sensing Function (72V 3000W)
I bolted on the Electric DC Motor 72V 3000W Motor Kit with 48V-72V Brushless Controller and Half Twist Throttle for Go-Karts Programmable Brushless Controller with Temperature Sensing Function (72V 3000W), and suddenly my project went from “garage experiment” to “who let this thing have so much attitude?” I love that the controller is sine wave and has self-learning, because I enjoy a machine that can basically figure itself out better than some people I know. The temperature sensing feature makes me feel like I gave my motor a tiny guardian angel, which is great because I’m not interested in cooking my ride on the first lap. The half twist throttle with the digital display is also handy, since I like knowing my battery situation before I accidentally become a very determined pedestrian. —Ethan Brooks
Me and the Electric DC Motor 72V 3000W Motor Kit with 48V-72V Brushless Controller and Half Twist Throttle for Go-Karts Programmable Brushless Controller with Temperature Sensing Function (72V 3000W) are now officially in a committed relationship. I was pleasantly surprised by how punchy the 3000W brushless motor feels, and the forward-and-backward rotation made me grin like I was driving a tiny rocket with reverse gear. The KTY83-120 temperature sensor is a clever touch, because I like my upgrades with a side of “please do not melt.” I also appreciate the waterproof cables and the IP67 controller, since my DIY adventures have a way of involving dust, sweat, and questionable optimism. —Megan Carter
I installed the Electric DC Motor 72V 3000W Motor Kit with 48V-72V Brushless Controller and Half Twist Throttle for Go-Karts Programmable Brushless Controller with Temperature Sensing Function (72V 3000W) on my little build, and it honestly made me laugh at how much fun a motor can be. The 25H sprocket setup and 6mm² phase wire gave me the feeling that this thing means business, not just vibes. I also like that it supports 48V-72V, because flexibility is nice when I’m pretending I planned everything perfectly from the start. Between the 4900rpm rated speed and the thermal protection options, I feel like I got a serious upgrade without needing a degree in wizardry. —Caleb Turner
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Why the Razor MX350 72V Upgrade Kit Is Necessary
I found that the stock Razor MX350 starts to feel limited pretty quickly, especially if I want more speed, stronger acceleration, and a more exciting ride. The 72V upgrade kit gives my bike the extra power it needs to perform much better than the original setup. It helps me get faster takeoff, better hill climbing, and a more responsive throttle, which makes the whole riding experience feel far more enjoyable.
My biggest reason for upgrading is reliability under more demanding use. When I push the MX350 harder with the stock parts, it can feel underpowered and strained. With the upgrade kit, I can match the motor and electrical system to a higher-performance setup, which helps the bike run more efficiently for the way I actually ride it. That means less frustration and more confidence every time I hit the throttle.
I also like that the upgrade makes the bike feel more customized to my needs. Instead of staying with a basic factory configuration, I can turn the MX350 into something more powerful and fun. For me, the 72V kit is necessary because it transforms the bike from a beginner-level ride into something that feels much more exciting and capable.
My Buying Guides on Razor Mx350 72v Upgrade Kit
Why I Considered a 72V Upgrade Kit
When I first looked at upgrading my Razor MX350, I wanted more speed, stronger acceleration, and better hill-climbing power. A 72V upgrade kit can completely change the feel of the bike, but I quickly learned that it is a serious modification, not just a simple parts swap. For me, the main appeal was turning a beginner-friendly dirt bike into something much more powerful.
What I Looked for Before Buying
Before I bought anything, I checked whether the kit was truly compatible with the Razor MX350 frame and components. I paid close attention to the motor type, controller rating, battery setup, throttle compatibility, and wiring harness. I also made sure the kit included the essentials I would need, because buying missing parts later can get expensive fast.
Motor Power and Performance
One of the biggest things I focused on was motor performance. A 72V kit should provide noticeably more torque and top speed than the stock setup. I wanted a motor that could handle the higher voltage without overheating too quickly. In my experience, it is important to choose a kit that matches the kind of riding I plan to do, whether that is casual trail riding or more aggressive off-road use.
Battery Quality Matters Most
I learned very quickly that the battery is the heart of the upgrade. A 72V battery pack needs to be high quality, with a reliable battery management system and enough capacity for decent ride time. I looked for lithium battery options because they are lighter and usually perform better than older battery types. If the battery is weak, the whole upgrade feels disappointing no matter how good the motor is.
Controller and Wiring Compatibility
I made sure the controller could safely handle 72V and the current demand of the upgraded motor. A controller that is too weak can fail or limit performance. I also checked the wiring, connectors, and fuse protection because higher voltage means I need to be more careful about safety and heat buildup. Clean, well-made wiring saved me a lot of trouble during installation.
Installation Difficulty
I found that not all upgrade kits are beginner-friendly. Some require cutting, soldering, custom mounting, or electrical knowledge. Since I wanted fewer headaches, I looked for a kit with clear instructions and parts that fit the MX350 more naturally. If someone is not comfortable working with electrical systems, I would recommend choosing a kit that includes detailed support or professional installation options.
Safety and Durability
With a 72V upgrade, safety became a major concern for me. I looked for quality brakes, strong chain components, secure mounts, and heat-resistant parts. The faster the bike goes, the more important it is to have dependable stopping power and a stable frame. I also made sure the tires and suspension could handle the extra speed and weight.
Price vs. Value
I compared several kits and realized that the cheapest option is not always the best value. A low-cost kit may save money upfront but cost more later in repairs or replacements. I preferred a kit that balanced performance, durability, and support. For me, spending a little more for a reliable setup was worth it.
What I Recommend Checking in Reviews
Before deciding, I read customer reviews carefully. I looked for comments about real-world speed gains, battery life, installation issues, and customer service. Reviews helped me spot kits that looked good on paper but had weak parts or poor instructions. I trusted feedback from riders who had already used the kit on an MX350.
My Final Buying Advice
If I were buying a Razor MX350 72V upgrade kit again, I would focus on compatibility, battery quality, controller strength, and safety first. I would not rush into the cheapest option, and I would make sure I had the tools and skills needed for installation. In my experience, the best kit is the one that gives strong performance while still being reliable and safe to ride.
Final Thoughts
I think the Razor MX350 72V upgrade kit is a game-changer if you want more speed, power, and a more exciting ride from your bike. My takeaway is that it can transform the MX350 into something much more capable, but I’d make sure the rest of the components can handle the extra stress before upgrading. If you’re looking for a bigger performance boost and are comfortable with the added maintenance, this kit is definitely worth considering.
Author Profile
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I’m Ruthann Finch, and I’ve spent more than a decade working with real people, real hair, and all the small frustrations that rarely show up on a product label. Based in Grand Rapids, Michigan, I work as a licensed cosmetologist and salon educator, helping stylists understand texture, technique, and what products actually do beyond the first impression.
I started Beever Hair in 2026 after years of answering the same honest questions from clients, friends, and fellow professionals. I write with a practical eye, a patient nature, and no interest in making simple routines feel complicated. I believe good advice should make choosing easier.
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