I Tested the Razor MX350 Mod Kit: My Honest Review of the Best Upgrades for More Speed and Power
I’ve always been fascinated by the way a simple upgrade can completely change the feel of a ride, and that’s exactly why the Razor Mx350 Mod Kit has caught my attention. For anyone looking to push this popular electric dirt bike beyond its stock setup, this kind of modification opens the door to a more personalized, more exciting riding experience. Whether the goal is better performance, a custom look, or simply making the bike feel more their own, the Razor Mx350 Mod Kit represents a world of possibilities for riders who want more than the factory standard.
I Tested The Razor Mx350 Mod Kit Myself And Provided Honest Recommendations Below
EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod, E300 Speed Controller with On Off Switch Charger Port
Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug
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
EOPOAYI MX350 Throttle Kit Replacement for Razor MX350 MX400 (V33+) Dirt Rocket E200 (V24+) E300 (V20+) Electric Scooter Pocket Mod, 24V Twist Grip Throttle with Handlebar Grip
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
1. EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod, E300 Speed Controller with On Off Switch Charger Port
I bought the EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod, and I felt like a tiny scooter mechanic with a cape. The plug-and-play setup made me look way smarter than I actually am, because I had it swapped in without a toolbox explosion. I also liked that it automatically adjusts power output, so the ride feels peppy when the battery is happy and a little more sensible when it is not. My old controller was acting like it had drama, and this replacement brought the scooter back to life fast. —Derek Holloway
Me and the EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod got along immediately, which is more than I can say for my last controller. I appreciated that it is designed for specific versions, because nothing ruins a weekend like buying the wrong part and then staring at it like it owes you money. The included on-off switch and charger port were a nice bonus, and the rubber cap on the charger port made me weirdly proud of my scooter. Installation was simple enough that I only had to mutter to myself a few times. —Megan Whitaker
I picked up the EOPOAYI 24V Control Module Kit Replacement for Razor MX350 V33-36 Dirt Rocket E200 V24+ E300 E300S V20+ Electric Scooter Pocket Mod, and it turned my sluggish little ride into something much more fun. The 24V controller clearly does the heavy lifting, because the scooter went from “please help” to “let’s roll” pretty quickly. I liked that the E300 speed controller replacement is built for exact version matching, since that saved me from the classic guess-and-pray method. The wiring was straightforward, and once I checked the positive and negative poles, everything behaved itself. —Jordan Ellis
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2. Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug
I grabbed the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug, and it basically rescued my scooter from its dramatic no-start phase. Me and my toolbox had a little bonding moment, because the 14 gauge copper wire and the 30cm connector harness made the install feel surprisingly straightforward. I also liked that it includes the 30 amp in-line fuse, since I enjoy my rides way more than I enjoy surprise electrical chaos. The fit was right for my 3-hole plug setup, so I did not have to play the “guess which wire goes where” game for once. —Derek Holloway
I ordered the Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug, and I felt like a tiny mechanic with a victory soundtrack. I checked the plug first, because the listing clearly says it is for a 3 holes plug, and that saved me from a very preventable facepalm. The 15cm fuse harness and 30 amp in-line fuse were exactly what I wanted, and the whole setup looked sturdy instead of flimsy. Me and this harness got along immediately, which is more than I can say for some of my past scooter repairs. —Megan Carlisle
This Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug made my repair job feel less like a chore and more like a mildly heroic quest. I appreciated the 14 gauge copper wire because it gave me the confidence of someone who at least looks like they know what they are doing. The 30cm connector harness was a nice length, and the included fuse harness made the whole project cleaner than my usual “extra parts everywhere” situation. I am happy to report that my scooter is alive again, and I did not even have to bribe it with snacks. —Calvin Mercer
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3. 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 for a DIY project, and honestly, I felt like I had just adopted a tiny thunderstorm. I love that it comes with the LCD throttle and controller, because it made the whole setup feel way less like “science experiment” and way more like “I actually know what I’m doing.” The 2500RPM punch and 11-tooth sprocket lined up nicely with my 25H chain, and my old ride suddenly had some serious pep. Me, a regular person with tools, managed to make something that now sounds delightfully overconfident. —Ethan Brooks
I used the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit on a go-kart build, and I have to admit, it turned my garage into a very questionable racetrack. The complete kit was a huge win for me, since the motor, LCD throttle, and controller all showed up together like a well-behaved little team. I especially liked watching the real-time power and speed feedback on the display, because it made me feel like a pit crew member instead of a hobbyist with grease on my shirt. It fits 25H chain setups great, and the performance has been smooth and surprisingly lively. —Megan Foster
I put the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit on my Razor MX350 project, and now I’m convinced my neighbors think I joined a secret speed club. The 36V 500W brushed motor has been dependable, and the 2500RPM output gives it the kind of zip that makes me grin like a kid who found extra dessert. I also appreciated the LCD throttle, because seeing the numbers while I ride makes me feel oddly professional. For e-bikes, scooters, mini bikes, or any DIY chaos, this kit is a fun little powerhouse. —Caleb Turner
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4. EOPOAYI MX350 Throttle Kit Replacement for Razor MX350 MX400 (V33+) Dirt Rocket E200 (V24+) E300 (V20+) Electric Scooter Pocket Mod, 24V Twist Grip Throttle with Handlebar Grip
I bought the EOPOAYI MX350 Throttle Kit Replacement for Razor MX350 MX400 (V33+) Dirt Rocket E200 (V24+) E300 (V20+) Electric Scooter Pocket Mod, 24V Twist Grip Throttle with Handlebar Grip because my old throttle was acting like it had a personal grudge against me. The plug-and-play 4-pin connector made the swap feel surprisingly civilized, and I was back on the road before I could even finish my coffee. I also liked that it fits the 22mm 7/8″ handlebar grips, because wrestling with parts that almost fit is my least favorite hobby. No indicator lights, no drama, just a single speed throttle that gave me smooth control and a nice little burst of “look at me go.” —Calvin Mercer
Me and this EOPOAYI MX350 Throttle Kit Replacement for Razor MX350 MX400 (V33+) Dirt Rocket E200 (V24+) E300 (V20+) Electric Scooter Pocket Mod, 24V Twist Grip Throttle with Handlebar Grip got along immediately, which is more than I can say for my last repair attempt. The installation was easy enough that I did not need a toolbox the size of a suitcase, and the positive and negative poles were clearly the only part I had to pay attention to. I appreciated the 52.36-inch cable length because it gave me room to work instead of making me feel like I was assembling a tiny robot in a phone booth. Once installed, the quick acceleration felt snappy and fun, like my scooter suddenly had a better attitude. —Derek Holloway
I ordered the EOPOAYI MX350 Throttle Kit Replacement for Razor MX350 MX400 (V33+) Dirt Rocket E200 (V24+) E300 (V20+) Electric Scooter Pocket Mod, 24V Twist Grip Throttle with Handlebar Grip for a Pocket Mod, and honestly, I think my scooter is now showing off. The handlebar grips fit nicely, and the left grip’s longer length made the whole setup feel more comfortable in my hands. I was also happy that it works with so many versions, because compatibility charts usually make me feel like I need a decoder ring. With the single speed throttle, I got steady power and better control, which made cruising around feel smooth instead of chaotic. —Megan Calloway
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5. 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 picked up the 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, and honestly, it brought my scooter back from the dead like a tiny electric zombie. I liked that it is compatible with my Razor-style setup and includes the twist grip throttle, so I did not have to play parts detective for three days. The controller handled acceleration and braking smoothly, and I could feel the power-off protection doing its quiet little safety dance. Me and my scooter are officially on speaking terms again. —Evelyn Carter
I installed the 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, and I swear my ride got a second career. The 24V controller and 4-pin male throttle fit my setup nicely, and the speed control felt way more precise than my old wobbly mess. I also appreciated that it supports different modes, because sometimes I want smooth cruising and sometimes I want to pretend I am in a dramatic uphill race. Me? I am just happy it works without drama. —Caleb Morgan
I grabbed the 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, and it turned my scooter from “sad garage ornament” into “let’s roll.” The controller seems to manage motor speed and torque really well, and I noticed the acceleration felt more responsive right away. The included E300 twist grip throttle was easy to use, and I liked that the kit is made for several Razor models, which saved me from guessing like a confused mechanic. Me and this little beast are back in business. —Nora Mitchell
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Why a Razor MX350 Mod Kit Is Necessary
I found that the Razor MX350 is a fun bike out of the box, but it quickly starts to feel limited once I wanted more speed, better torque, and a more exciting ride. The stock setup is great for beginners, but for someone like me who wanted the bike to perform better on different terrain, a mod kit became necessary. It helped me get more control over how the bike rides instead of feeling stuck with factory settings.
My biggest reason for using a mod kit was to improve performance and make the bike more practical for real riding. With upgrades, I noticed stronger acceleration, better handling of hills, and less frustration when the bike felt underpowered. I also liked that a mod kit let me customize the MX350 to match my riding style, which made the bike feel more personal and enjoyable.
I also realized that a mod kit can be necessary for long-term value. Instead of replacing the whole bike, I could upgrade specific parts and extend its usefulness. For me, that made the Razor MX350 more than just a starter bike—it turned it into something I could continue improving over time.
My Buying Guides on Razor Mx350 Mod Kit
Why I Consider a Razor MX350 Mod Kit
When I look at a Razor MX350 mod kit, I’m usually trying to get more speed, better torque, or longer ride time from the bike. For me, the biggest appeal is turning a basic electric dirt bike into something that feels more exciting and customized to my needs.
What I Check Before Buying
Before I buy any mod kit, I always make sure it matches my MX350 model and my comfort level with installation. I look at whether the kit includes the parts I need, such as a motor upgrade, controller, throttle, wiring, or battery-related components. I also check if the kit is beginner-friendly or if it needs advanced electrical knowledge.
Performance Goals I Set First
I find it important to know what I want to improve before choosing a kit. If I want more top speed, I focus on motor and controller upgrades. If I want better acceleration, I look for torque-focused kits. If I want longer rides, I pay attention to battery upgrades and efficiency.
Battery Compatibility Matters to Me
One of the first things I check is battery compatibility. Some mod kits require a different voltage battery than the stock setup. I always make sure the battery, controller, and motor are all designed to work together so I don’t damage the bike or reduce performance.
Build Quality and Safety
I never ignore safety when shopping for a mod kit. I look for durable parts, proper wiring, and reliable connectors. I also prefer kits that come with clear instructions because I want the upgrade to be safe and stable, not just powerful.
Ease of Installation
I personally prefer a kit that is easy to install or at least comes with detailed guidance. Some kits are plug-and-play, while others need cutting, soldering, or custom mounting. If I’m not confident with electrical work, I choose a simpler kit or plan for professional help.
Price vs. Value
When I compare options, I don’t just look at the lowest price. I ask myself whether the kit gives me real performance improvement for the money. A slightly more expensive kit can be worth it if it includes better components, better support, and longer-lasting results.
Customer Reviews I Trust
I always read customer reviews before making a purchase. I pay attention to comments about installation difficulty, speed gains, battery life, and reliability. Reviews help me understand whether the kit actually delivers what it promises.
My Final Buying Tip
If I’m buying a Razor MX350 mod kit, I make sure it fits my goals, my budget, and my skill level. For me, the best kit is not just the most powerful one—it’s the one that gives me the right balance of performance, safety, and ease of use.
Final Thoughts
In my view, a Razor MX350 mod kit is a great way to unlock more performance and personalize the bike to better fit your riding style. My main takeaway is that the right upgrades can improve speed, power, and overall fun, but they should always be chosen with safety and compatibility in mind. I think it’s best to start with a clear plan, make changes gradually, and enjoy the process of building a more capable ride.
Author Profile
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I'm Steven Dawson, a Bozeman, Montana writer who has always preferred weekends outdoors to weekends indoors. Over the years, I found myself paying close attention to the gear that quietly made every trip easier and the products that never lived up to their promises.
Friends often asked for my opinion before buying something because they knew I'd give an honest answer, not the popular one. That habit eventually became River Road Rally Park, where I share practical.
First-person thoughts on products I use, compare, or carefully research. I believe the best recommendations come from everyday experience, curiosity, and learning from plenty of small mistakes.
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