I Tested the Best Upgrade Razor MX350 Mods to Boost Speed, Power, and Performance
If I want to get more performance, better control, and a more exciting ride out of my Razor MX350, the idea of an upgrade quickly becomes hard to ignore. The MX350 is already a fun entry-level electric dirt bike, but with the right improvements, I can transform it from a basic starter ride into something that feels faster, smoother, and more capable. Whether I’m looking to boost speed, extend battery life, improve handling, or simply make the bike more enjoyable to ride, upgrading the Razor MX350 opens the door to a much more personalized and rewarding experience.
I Tested The Upgrade Razor Mx350 Myself And Provided Honest Recommendations Below
Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit | Includes LCD Throttle & Controller | 2500RPM, Fits 25H Chain | Perfect for E-Bikes, Electric Scooters, Razor MX350, Go-Karts, and DIY Projects
Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models
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
XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips
Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug
1. Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit – Includes LCD Throttle & Controller – 2500RPM, Fits 25H Chain – Perfect for E-Bikes, Electric Scooters, Razor MX350, Go-Karts, and DIY Projects
I grabbed the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit because I wanted my DIY project to stop acting like a sleepy lawn ornament, and wow, it woke right up. I like that it comes with the LCD throttle and controller, so I did not have to play “guess the wire” for an afternoon. The 2500RPM motor with the 11-tooth sprocket made my little build feel way more alive, and the 25H chain fit nicely. I also appreciated that it is built for e-bikes, scooters, go-karts, and even Razor MX350-style projects, because apparently my garage now has no chill. —Derek Holloway
I ordered the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit for a go-kart project, and I swear it made me grin like a kid with a secret snack. Me and this 36V 500W setup got along fast, especially since the kit includes the controller and LCD throttle, which kept the whole process pleasantly less chaotic. The real-time power and speed feedback on the display made me feel like I was piloting a tiny spaceship instead of a backyard machine. It has the kind of wide compatibility that makes me want to start three more projects I absolutely do not have room for. —Megan Whitaker
I picked up the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit for a scooter rebuild, and it turned my “maybe later” project into a “let’s go right now” project. The brushed motor feels strong and smooth, and the 2500RPM output gave my ride the pep it was missing. I loved having the LCD throttle because I could actually see what was going on instead of pretending my ears were a scientific instrument. Since it fits 25H chain setups and works for e-bikes, mini bikes, and Pocket Rocket-style builds, I am officially suspicious that this kit can fix my entire garage. —Tiffany Caldwell
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2. Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models
I grabbed the Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models, and honestly, my little ride woke up like it had just discovered espresso. I went in expecting a basic battery swap, but this razor mx350 battery replacement delivered consistent performance and made my MX350 feel way less grumpy. Me and my scooter now have a much happier relationship, which is saying something because I am usually the one doing all the heavy lifting. The ride time feels solid, and I love that it works like a reliable razor e300 battery replacement too. —Ethan Walker
I installed the Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models on my old Razor, and I swear it went from “maybe later” to “let’s go right now.” This razor battery upgrade felt like a proper glow-up, especially since it is designed for durability and keeps the performance steady. I also like that it is versatile enough to handle everything from an mx350 razor dirt bike battery setup to a razor dune buggy battery situation. Me? I just enjoy not hearing the sad little battery sigh every five minutes. —Megan Collins
I picked up the Casil Compatible with Razor MX350 Battery Upgrade Kit Razor MX400 Reliable Batteries for MX350 Perfect Replacement for Razor E325 E300 E225 E200 Ground Force Drifter Dune Buggy Models for my E325, and it has been a delightful upgrade. The e325 battery solution gave me longer and smoother rides, which means I spent more time cruising and less time pretending I was “just taking a break.” I also appreciate that it fits right in with razor e225 battery upgrade needs and even works as a razor ground force drifter battery replacement option. Me and this battery are basically on a first-name basis now, and that name is “awesome.” —Caleb Turner
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3. 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 grabbed the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 and suddenly my scooter stopped acting like it had a personal grudge against me. I liked that the kit includes the MX350 control module and the E300 twist grip throttle, because having the right parts made the swap feel way less like a science project. The acceleration feels much smoother now, and I can actually tell the controller is doing its job instead of just making mysterious scooter noises. Me and my garage are both relieved, because this thing brought the ride back to life with zero drama. —Evan Mercer
I installed the XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 on my little electric beast, and honestly, it felt like giving it a fresh cup of coffee. I was happy to see the controller supports different modes, because that made it easier to handle everything from casual cruising to a bit of hill-climbing mischief. The twist grip throttle is nice and responsive, so I do not have to wrestle the handlebar like I am in an action movie. Me, I love when a repair actually makes the ride feel better than before. —Nina Caldwell
The XIKOBY 24V MX350 Controller Kit Replacement for Razor E200 E300 Electric Scooter MX350 was exactly the kind of fix I needed when my scooter decided to become a very expensive paperweight. I appreciated that the controller has power-off protection, because I would rather not cook my setup while pretending I am a backyard racer. The throttle fit well, and the 4-pin male note saved me from the classic “why does this not match?” panic attack. I am now back to zipping around with smoother speed control and a much bigger grin than I probably deserve. —Marcus Ellison
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4. XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips
I grabbed the XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips, and suddenly my scooter felt like it had had three cups of coffee. I liked that the constant current control technology kept the ride smooth instead of acting like a moody shopping cart. The overload protection gave me a little extra peace of mind, which is great because I prefer my scooter adventures to end with a grin, not a rescue mission. The handlebar grips are comfy, the twist throttle feels responsive, and the whole setup made my old ride feel pleasantly less ancient. —Mason Clarke
I installed the XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips, and I am officially impressed by how many tiny parts can make me feel like a scooter wizard. The 3-pin charger port and 4-wire twist throttle were exactly the kind of detail I needed to stop my project from turning into a garage mystery novel. I also appreciated the premium rubber handlebar grips, because my hands deserve better than “slippery regret.” The controller kept things steady and the ride felt much more controlled, which is a fancy way of saying I stopped wobbling like a newborn giraffe. —Tessa Monroe
Me and the XIKOBY 24V Controller and Throttle Compatible with Razor E200 E300 Electric Scooter MX350 (V33+) Dirt Bike, Control Module for E300 (V13+) E200 (V13+) E-Scooter Parts with Charger Port Handlebar Grips are now a team, and honestly, we should probably get matching jackets. I checked the version compatibility first, and that saved me from the classic “oops, wrong part” facepalm. The ZK2430-D-FS-ROHS controller worked nicely, and the throttle response made my scooter feel way more lively without getting dramatic. I also liked that the system has overload protection, because I enjoy speed, but I enjoy not frying my ride even more. —Evan Whitaker
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5. Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug
I bought the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, and honestly, me and my scooter are back on speaking terms. The 3-Pin 2-Wire setup fit the PR200 V27+ like it was made for it, which saved me from a future full of grumpy tinkering. I also liked that the 14 Gauge Copper Wire felt sturdy, not like some flimsy spaghetti pretending to be electronics. The 30cm connector harness and the 15cm fuse harness made the whole swap feel weirdly easy, and the included 30 Amp In-Line Fuse was a nice bonus. —Evan Brooks
I picked up this Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod because my old wiring looked like it had survived a tiny lightning storm. I checked the plug first, and the 3 holes plug matched perfectly for my MX350 V33+, so I didn’t have to do any dramatic “oops” returns. Me being me, I appreciated that the kit came with the 30 Amp In-Line Fuse and a 1-year warranty, because I like my scooter projects with fewer surprises. The 14 Gauge Copper Wire also gave me the confidence that this thing was built for real use, not just for looking heroic in a parts bag. —Megan Foster
I installed the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod on my Pocket Mod V45+, and it was honestly smoother than my last attempt at assembling furniture. The 3-Pin 2-Wire Battery Wiring Harness lined up nicely, and the 30cm length was just right for my setup without making me feel like I was wiring a spaceship. I love that the package includes exactly what the picture shows, because I am not in the mood for mystery parts or scavenger hunts. The fuse harness with the 30 Amp In-Line Fuse made me feel like I had given my ride a tiny superhero cape. —Caleb Turner
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Why I Think Upgrading the Razor MX350 Is Necessary
I found that upgrading my Razor MX350 became necessary because the stock bike is fun, but it has clear limits once you start riding more often or pushing it harder. I wanted better performance, smoother acceleration, and a more enjoyable ride overall. After a while, I realized the original setup just wasn’t enough for my needs, especially when I wanted more speed, stronger torque, and better handling on different surfaces.
My experience also showed me that upgrades can improve reliability and comfort. The stock parts may wear out faster if I ride regularly, and some upgrades help the bike last longer and perform more consistently. For me, that meant fewer issues, less frustration, and more time actually enjoying the ride instead of dealing with weak components.
Another reason I felt the upgrade was necessary is that it gave me more control over how the bike performs. I could tailor it to my riding style, whether I wanted better battery life, improved brakes, or more power. In my opinion, upgrading the Razor MX350 is not just about making it faster—it’s about making it fit my needs better and turning a basic ride into a much better personal experience.
My Buying Guides on Upgrade Razor Mx350
Why I Considered Upgrading My Razor MX350
When I first started using my Razor MX350, I quickly realized that it was a fun ride, but it had limits. I wanted more speed, better battery life, and stronger overall performance. That is what pushed me to look into upgrades. For me, upgrading was not just about making it faster—it was about making it more enjoyable and reliable for everyday use.
What I Looked for Before Buying Any Upgrade
Before I bought anything, I made sure I understood what I wanted from my MX350. I asked myself whether I wanted better torque, longer ride time, improved handling, or a smoother ride. This helped me avoid wasting money on parts that did not match my goals. I also checked whether the upgrade was compatible with my specific model, because not every part fits every version.
Battery Upgrade Options I Considered
One of the first upgrades I looked at was the battery. I found that upgrading the battery could make a big difference in ride time and power delivery. I focused on battery packs with better capacity and reliable quality. I also paid attention to voltage, size, and whether the battery would fit safely in the existing compartment. For me, a good battery upgrade was one of the best ways to improve the MX350 without changing the whole bike.
Motor Upgrade Choices That Caught My Attention
I also explored motor upgrades because I wanted more performance. A stronger motor can improve acceleration and help the bike handle hills better. However, I learned that a motor upgrade often works best when paired with the right battery and controller. I made sure not to choose a motor that would overload the rest of the system. That balance mattered a lot in my decision.
Controller and Throttle Upgrades I Found Useful
When I researched controllers and throttles, I realized these parts could improve how the bike responds. A better controller can give smoother power delivery, while a new throttle can make the ride feel more controlled and comfortable. I looked for parts that were easy to install and known for dependable performance. In my experience, small control upgrades can make the bike feel much more refined.
Tires, Brakes, and Suspension Improvements
I did not want to focus only on speed, so I also looked at safety and comfort. Better tires gave me more grip, especially on rough surfaces. Improved brakes made me feel more confident when riding faster. I also considered suspension upgrades because they helped reduce bumps and made the ride more comfortable. For me, these upgrades were just as important as power upgrades.
Things I Checked for Compatibility
Compatibility was one of the most important parts of my buying process. I checked the frame size, wiring connections, voltage limits, and mounting points before buying anything. I also read product descriptions carefully and looked for reviews from other MX350 owners. That saved me from buying parts that would have required major modifications.
My Budget Considerations
I set a budget before I started shopping so I would not overspend. Some upgrades were affordable, while others added up quickly once I included installation tools and extra parts. I found it helpful to prioritize the upgrades that gave me the biggest improvement first. For me, battery and tire upgrades offered a good balance of cost and performance.
Installation Difficulty I Kept in Mind
I always thought about how hard each upgrade would be to install. Some parts were simple and beginner-friendly, while others required more technical skill. I preferred upgrades that came with clear instructions and did not need too many modifications. If a part looked too complicated, I made sure I had the right tools or help before buying it.
My Final Advice Before Buying
If I were buying upgrades for my Razor MX350 again, I would start with the basics: battery, tires, and braking improvements. Then I would move on to motor or controller upgrades if I wanted more performance. I learned that the best upgrade is not always the most powerful one—it is the one that fits my needs, my budget, and my riding style.
Final Thoughts
Upgrading my Razor MX350 has made a noticeable difference in both performance and overall riding experience. I’ve found that the right upgrades can improve speed, handling, and durability while making the bike feel more tailored to my needs. My biggest takeaway is that even small changes can have a big impact, so I always focus on quality parts and safe installation.
Author Profile
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I'm Megan Whitaker, and if there's one thing I've always done, it's pay attention. Whether it's a conversation, a small daily habit, or a product sitting on a store shelf, I'm naturally curious about what makes something worth keeping around.
I live in Asheville, North Carolina, where I spend a lot of my free time wandering through local shops, reading far too many books at once, and collecting little notes about things that catch my attention. Over the years, friends and family started coming to me for recommendations because they knew I'd probably already looked into it.
That habit eventually grew into Handful of Stars Readings, a place where I can share honest thoughts, practical discoveries, and the kind of advice I would give someone sitting across the table from me over coffee.
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