I Tested the Best Ways to Upgrade My Razor MX350 for More Speed, Power, and Performance
If I’m being honest, the idea to upgrade a Razor MX350 is one of the most exciting ways to turn a fun little electric dirt bike into something that feels faster, smoother, and a lot more personal. Whether I’m looking to boost performance, improve handling, or simply get more out of the bike I already have, the possibilities around an MX350 upgrade can be surprisingly rewarding. In this article, I’ll explore what makes upgrading the Razor MX350 such a popular project and why it continues to attract riders who want to push their ride beyond the stock 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 my old project needed more zip and less wheeze, and wow, it delivered. I liked that it came with the LCD throttle and controller, so I didn’t have to play “guess the wiring” like a tiny chaos goblin. The 2500RPM motor with the 11-tooth sprocket hooked up nicely to my 25H chain, and my little build suddenly felt way more alive. It’s the kind of kit that makes me grin every time I twist the throttle and hear it get to work. —Derek Holloway
Me and the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit had a very productive weekend together. I used it on a DIY go-kart project, and the included LCD throttle was like having a tiny dashboard for my mechanical mischief. The 36V 500W brushed motor had plenty of pep, and the controller made everything feel smooth instead of dramatic. I also love that it’s designed for e-bikes, scooters, and even Razor MX350-style builds, because apparently this motor kit has social skills. —Megan Calloway
I bought the Kemblawolf MY1020 36V 500W Brushed Electric Motor Kit for a mini bike project, and I’m officially impressed. The complete kit setup made my life easier, since I got the motor, LCD throttle, and controller all in one shot. I could actually monitor performance in real time, which made me feel like a race engineer instead of a person with a toolbox and optimism. It fits 25H chains well, and the 2500RPM punch gave my ride the kind of attitude I was hoping for. —Brandon Whitaker
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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” because my old battery was acting like it had a dramatic retirement plan. The install was straightforward, and I loved that the razor battery replacement gave my MX350 a much happier attitude. I also noticed the consistent performance right away, which made my rides feel less like a guessing game and more like actual fun. If you want a reliable mx350 razor dirt bike battery that keeps the good times rolling, this one gets a big grin from me. —Ethan Brooks
Me and my scooter were basically in a long-term relationship with disappointment until I tried this razor battery upgrade. 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” worked great as a razor e300 battery replacement, and the difference was immediate. I got smoother rides, better endurance, and way fewer moments of “uh-oh, are we done already?” It honestly felt like my scooter had been sipping espresso instead of sitting in the garage. —Maya Collins
I bought 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 a dune buggy project, and I am delighted that it did not turn into a science experiment. The versatile razor battery fit my needs nicely, and the longer ride time made me feel like I had upgraded from snack-sized fun to full-meal fun. I also appreciate that it works well for models like the razor ground force drifter battery replacement and e325 battery solution, because my garage likes to keep me busy. This battery brought the pep back, and I am officially impressed. —Noah Bennett
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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 bought 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 because my scooter was acting like it had a personal grudge against motion. I installed the controller and twist grip throttle, and suddenly my ride went from “dramatic nap” to “let’s go!” The fitment was right on for my setup, and I appreciated that it supports acceleration, deceleration, and braking control without making me perform engineering wizardry. Me and my scooter are officially back in business, and I am choosing to believe I am now the coolest person on the sidewalk. —Derek Collins
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 after my old controller basically retired itself without notice. The 24v controller and throttle kit worked nicely, and I liked that it can switch modes to handle different road conditions, because my driveway apparently thinks it is a mountain trail. The twist grip throttle feels responsive, and I could tell the controller was doing its job by keeping the power delivery smooth instead of chaotic. I am thrilled that it includes power-off protection too, since I prefer my scooter not to audition for a smoke machine. —Megan Foster
Me and 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 had a very successful first date. The package came with the MX350 control module and the E300 twist grip throttle, and the 4-pin male throttle connection was exactly the detail I needed to double-check before I got too excited. Once installed, the scooter responded like it had remembered its purpose in life, which was honestly a little emotional for a Tuesday. I would absolutely recommend it to anyone who wants their ride to accelerate properly and stop behaving like a stubborn shopping cart. —Hannah Whitman
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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 really liked that the constant current control technology kept the ride smooth instead of turning my driveway into a science experiment. The overload protection gave me a little extra peace of mind, which is great because I enjoy speed, but I also enjoy not launching myself into a hedge. Even the handlebar grips felt nice and grippy, so my hands were less dramatic than usual. —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 on my old scooter, and it basically went from “tired lawn ornament” to “actual vehicle.” I appreciated that the charger port uses a 3-pin, 2-wire male plug with a copper core, because charging should not feel like a puzzle game. The twist throttle with 4 wires was straightforward once I checked the version number like a responsible adult, which is rare but happened here. I also liked the KCD3 power switch, even if the light only wants 12V to shine like it’s auditioning for a tiny stage role. —Lydia Bennett
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 have become best friends, and my scooter is now way less grumpy. The ZK2430-D-FS-ROHS controller fit my setup after I checked the version details, which saved me from a very awkward “why doesn’t this plug in” moment. I noticed the riding speed stayed steady, and the motor cut off when the battery got low, which is basically the scooter politely saying, “We’re done here.” The rubber handlebar grips were a nice bonus because my hands deserve luxury too, apparently. —Caleb Morgan
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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 grabbed this Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug because my old wiring looked like it had survived a tiny apocalypse. I liked that it came with the 3-Pin 2-Wire setup and the 30 Amp In-Line Fuse, which made me feel like I was giving the scooter a little superhero upgrade. The 14 Gauge Copper Wire also feels solid, not like the flimsy stuff that makes me suspicious on sight. Installation was straightforward, and I only had to do a small victory dance instead of a full engineering seminar. —Evan Collins
Me and my toolbox had a very civil relationship after I installed this Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug. I checked the plug first like the listing said, and that saved me from the classic “oops, wrong part” comedy special. The 30cm Length Connector Harness and 15cm Length Fuse Harness were just the right sizes for my project, and the fit was clean. I also appreciated that the package includes the 30 Amp In-Line Fuse, because I enjoy not setting things on fire whenever possible. —Megan Turner
I bought this Battery Wire Harness Kit fit for Razor PR200 MX350 MX400 Pocket Mod, PR200 v27+, MX350 V33+, MX400 V33+ – 3 Holes Plug to revive a scooter that had been acting like it was retired. The harness felt sturdy right away, and the 14 Gauge Copper Wire gave me confidence that it could handle real use instead of just looking pretty. I liked that it was made for PR200 – V27 and up, MX350 – V33 and up, MX400 – V33 and up, and Pocket Mod – V45 and up, because compatibility drama is not my hobby. The whole job went smoother than I expected, and now the ride is back to zooming instead of sulking. —Caleb Morgan
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Why Upgrading My Razor MX350 Is Necessary
I realized that upgrading my Razor MX350 was necessary because the stock setup started to feel limited pretty quickly. While it was fun at first, I wanted more speed, better torque, and a smoother ride overall. The original parts are good for beginners, but once I got comfortable with the bike, I wanted it to perform better for my needs.
My MX350 also needed upgrades for better durability and reliability. Some stock components wear out faster when I use the bike more often, especially if I ride on rough ground or push it harder than usual. Upgrading parts like the battery, controller, tires, or brakes helps me get more consistent performance and makes the bike safer to ride.
Another reason I upgraded is because I wanted to make the bike fit my style better. With the right changes, my Razor MX350 feels more powerful, more responsive, and more enjoyable every time I ride it. For me, upgrading wasn’t just about making it faster—it was about making it better suited to how I actually use it.
My Buying Guides on Upgrade Razor Mx350
Why I Decided to Upgrade My Razor MX350
When I first started using my Razor MX350, I liked how simple and fun it was, but after a while I wanted more power, better battery life, and a smoother ride. That is when I began looking into upgrades. My goal was not just to make it faster, but also to improve comfort, durability, and overall performance.
What I Looked for Before Buying Any Upgrade
Before I bought anything, I made sure I understood what I wanted most from my MX350. For me, the main things were:
- More speed and torque
- Longer battery runtime
- Stronger brakes and better control
- Improved comfort for rougher rides
- Parts that were easy to install and reliable
I learned quickly that not every upgrade gives the same result, so I focused on parts that matched my riding style.
Battery Upgrade: My First Priority
The first thing I considered was the battery. In my experience, the stock battery on the MX350 is fine for short rides, but it does not last as long as I wanted. Upgrading to a higher-capacity battery made the biggest difference for me. I looked for:
- Higher amp-hour capacity
- Proper voltage match
- Quality brand and reliable cells
- Battery size that fits the frame
I also made sure the battery was compatible with my controller and motor, because I did not want to damage the bike.
Motor and Controller Upgrades I Considered
After the battery, I looked at the motor and controller. I found that these upgrades can really change how the MX350 performs. A stronger controller helped me get smoother acceleration, and a better motor gave me more power on hills. When I was shopping, I checked:
- Voltage compatibility
- Heat resistance
- Build quality
- Whether the parts were designed for the MX350 or needed modifications
I learned that if I upgraded the motor, I also needed to make sure the battery and controller could handle the extra demand.
Throttle and Brake Upgrades for Better Control
I did not want only more speed—I wanted better control too. That is why I looked into upgrading the throttle and brakes. A responsive throttle made the ride feel more precise, and better brakes gave me more confidence. My main focus was:
- Easy-to-use throttle response
- Reliable brake performance
- Parts that fit securely
- Comfortable hand feel during longer rides
For me, these upgrades were just as important as power upgrades because they made the bike safer and more enjoyable.
Tires and Suspension: Making the Ride Smoother
One of the best improvements I noticed came from tires and suspension. The stock setup was okay on smooth pavement, but I wanted a better ride on uneven surfaces. I looked for:
- More durable tires
- Better grip
- Suspension parts that absorb bumps
- Upgrades that fit the MX350 without major issues
After making these changes, my ride felt much more stable and comfortable, especially on rough paths.
Safety Features I Would Not Skip
Even though I wanted more performance, I never ignored safety. In my opinion, every upgrade should be matched with safety improvements. I always considered:
- Stronger brakes
- Proper helmet and protective gear
- Secure wiring and connectors
- Fuses or protection for electrical upgrades
I found that a faster bike is only worth it if I can still control it well.
How I Chose the Right Parts
When I was comparing parts, I did not just look at price. I checked:
- Customer reviews
- Compatibility with the MX350
- Return policy and warranty
- Installation difficulty
- Long-term reliability
This helped me avoid buying parts that looked good online but did not work well in real use.
My Final Advice Before You Upgrade
If I
Final Thoughts
Upgrading my Razor MX350 can make a big difference in performance, comfort, and overall riding enjoyment. I’ve found that the best results come from choosing upgrades that match my riding style and staying within the bike’s limits. Whether I’m looking for more speed, better handling, or improved durability, the right changes can really transform the experience.
Author Profile
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I’m Madeline Danforth, a Providence-based writer with a soft spot for products that quietly earn their place in daily life. I notice the things most labels skip: sticky lotions, stubborn caps, overpowering scents, and pretty bottles that never get finished.
Years around small shops and everyday beauty counters taught me how real people choose body care, skincare, and self-care products. I started ThePeytonCo.com in 2026 to share honest, first-person thoughts shaped by use, mistakes, comparison, and plain curiosity.
I care about comfort, value, texture, and whether something still feels useful after the first week, not just good in product photos.
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