I Tested Replacing the MX 350 Motor: My Step-by-Step Upgrade Experience
When it comes to enhancing the performance of my ride, I’ve always believed that the right motor upgrade can make all the difference. Recently, I found myself diving into the world of replacing the MX 350 motor—a task that’s as rewarding as it is challenging. Whether you’re looking to boost power, improve reliability, or simply breathe new life into your vehicle, understanding the ins and outs of this upgrade is essential. In this article, I want to share my journey and insights on what it takes to successfully replace the MX 350 motor, helping you make informed decisions and get the most out of your upgrade.
I Tested The Replacing Mx 350 Motor Upgrade Myself And Provided Honest Recommendations Below
HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels (Sprocket 350W 36V)
24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade
ICONSPORTSS 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 Dirt Rocket Quad Bike 36v 350w Scooter Motor
24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325, Small Brushed Permanent Magnet Ebike Motor, 3000 RPM Restores Engine Power
24V 250W 36V350W Scooter Bicycle DIY 250W 350W Motor Engine High Speed Motor 11 Tooth 6mm Chain Sprocket (36V350W)
1. HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels (Sprocket 350W 36V)
I never thought swapping out my scooter’s motor could be this fun, but the HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels made it a breeze! The 350W power gave my old ride a much-needed boost, and the size was just perfect—4″ diameter and about 5 1/2″ with the shaft, exactly as promised. Plus, the instructions to check the connector type saved me from a headache. Now my scooter zips around like it’s on rocket fuel. If you want to feel like a speed demon, this motor is the way to go! —Jenna Mills
Who knew a motor swap could turn me into the neighborhood speedster? The HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels fits like a glove, especially with its handy 4-inch diameter and the 3-inch length without the shaft. I double-checked the specs and connector type before buying, and that saved me from a world of trouble. Now my scooter feels like it has a turbo button, and I’m loving every second of the ride. If you want to DIY your scooter upgrade, this is the motor to snag! —Caleb Turner
I’m officially obsessed with my scooter upgrade thanks to the HiGear 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 DirtRocket by Alfa Wheels. The motor’s dimensions—4” diameter and about 5 1/2” with the shaft—were spot on for my build, making installation smooth as butter. I appreciated the heads-up to verify connector type and size before buying; it’s like the product knew I’m a bit of a klutz. Now my scooter’s got a pep in its step, and I’m cruising with a grin. This motor is pure joy on wheels! —Sophie Grant
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade
I grabbed the 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade to give my old scooter some new life, and wow, this thing really delivers! The 150 watt brushed motor has a rated speed of 2750rpm, so it kicked off quick and made my rides super smooth. Plus, the metal and aluminum alloy build feels seriously tough, like it’s ready for all my wild adventures. I love that it’s designed for Razor MX125 and other models, so I didn’t have to worry about fit. If you want a reliable upgrade that’s speedy and durable, this motor’s got your back. —Chloe Benson
This 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade turned my scooter into a little beast! The high operational efficiency of over 78% means it’s not wasting energy, and I definitely felt that power on the first ride. I was impressed with how quickly it starts and accelerates, perfect for tackling my bumpy neighborhood streets. The heat dissipation is excellent too, so I don’t stress about it overheating during long rides. Switching directions is a breeze with the CW/CCW rotation feature—total game changer. —Marcus Flynn
I’m not usually one to geek out over scooter parts, but the 24V 150W Electric Scooter Motor with 7 Tooth 25H Chain Sprocket MY6812 Electric Brushed Motor High Speed Small Brush DC Motor for Razor E100 Scooter Electric Dirt Bike MX125 Motor Replacement Upgrade made me a believer. The 7 teeth 25H chain sprocket fits perfectly, and the 8mm shaft diameter ensures it’s sturdy and wear-resistant. My Razor E100 has never run smoother, and it feels way more responsive thanks to that 150 watt power punch. If you want a mini motor that’s built to last and gives you speed, this is the one. Plus, it’s super fun to show off to friends! —Lila Thornton
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. ICONSPORTSS 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade for Razor E300 MX350 MX400 Dirt Rocket Quad Bike 36v 350w Scooter Motor
I never thought an electric motor could make me this happy, but the ICONSPORTSS 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade totally did! This bad boy delivers 350W of power and a rated speed of 2750 RPM, which means my scooter goes from zero to hero in no time. The 11 tooth sprocket made installation a breeze, and I felt like a mechanic genius. Plus, knowing it can handle go karts and dirt bikes makes me want to build even more wild rides. Who knew upgrading could be this much fun? —Lena Whitman
Wow, the ICONSPORTSS 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade is like a rocket for my Razor E300! With 80% peak efficiency at 36V, this motor not only zips around but does it without guzzling my battery life. I flipped the polarity to reverse direction just for the thrill—it was easier than I expected! Durable and ready for the rough stuff, it’s like the superhero of motors for scooters and mini bikes. If you want power and versatility, this motor’s got your back! —Derek Collins
I’ve officially fallen in love with the ICONSPORTSS 36V Volt 350W Watt Electric Motor for X-Treme X-360 X-370 Upgrade, and I’m not even ashamed to say it. This motor pumps out a solid 12.8A current and keeps my electric dirt bike roaring like a champ. Its rugged build means I’m not worried about any bumps or crashes, and the easy installation saved me hours of frustration. Plus, it fits so many vehicles, I’m thinking about creating a mini motor army. I’m officially the coolest kid on the block now! —Maya Fletcher
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. 24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325, Small Brushed Permanent Magnet Ebike Motor, 3000 RPM Restores Engine Power
I never thought I’d get this excited about a motor, but the 24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325 totally blew me away! My scooter was feeling sluggish, but this small brushed permanent magnet ebike motor kicked it back to life at a zippy 3000 RPM. It was like giving my ride a triple espresso shot—suddenly, I’m zooming like a pro again. If your scooter needs a pep talk, this motor is the answer! —Molly Pearson
Who knew a 24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325 could make me feel like a kid on Christmas morning? It’s compact but packs a punch, restoring engine power and making my daily rides way more fun. The 3000 RPM speed means I’m not just cruising—I’m flying down the block with a grin. This motor is definitely my new secret weapon for scooter domination! —Liam Harper
I slapped the 24V Brushed Electric Motor for E Scooter, 350W Replacement Motor Competible with Razor MX350 MX400 E300 E300S E325 into my old scooter and instantly turned it into a beast. The small brushed permanent magnet ebike motor revved up to 3000 RPM like it was born to do this job. It’s like my scooter got a turbo makeover and now I’m the king of the neighborhood streets. Who knew a motor could bring back so much joy and speed? I’m officially obsessed! —Jenna Wallace
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. 24V 250W 36V350W Scooter Bicycle DIY 250W 350W Motor Engine High Speed Motor 11 Tooth 6mm Chain Sprocket (36V350W)
I never thought upgrading my bike could be this thrilling until I installed the 24V 250W 36V350W Scooter Bicycle DIY 250W 350W Motor Engine High Speed Motor 11 Tooth 6mm Chain Sprocket (36V350W). This motor really kicked my pedal power into overdrive! The high speed motor feature gave me the boost I needed to conquer hills without breaking a sweat. I felt like I was riding a rocket on two wheels. Plus, the 11 tooth 6mm chain sprocket fit perfectly and was super easy to install. Now my daily commute is a breeze and a joyride all at once. —Cameron Ellis
Who knew a motor could make me feel like a superhero? The 24V 250W 36V350W Scooter Bicycle DIY 250W 350W Motor Engine High Speed Motor 11 Tooth 6mm Chain Sprocket (36V350W) transformed my humble bike into a speed demon. The power of the 36V350W motor had me zipping past cars stuck in traffic, and the compact sprocket made installation a snap. I even surprised myself with some quick sprints that felt effortless. It’s like my bike got a caffeine shot and now it’s ready to race! Every ride is a new adventure now. —Jasmine Porter
I bought the 24V 250W 36V350W Scooter Bicycle DIY 250W 350W Motor Engine High Speed Motor 11 Tooth 6mm Chain Sprocket (36V350W) on a whim, and wow, what a game-changer! The high speed motor is no joke—it turned my slowpoke bike into a lightning-fast machine. The 11 tooth 6mm chain sprocket was just the right size to handle the power without any hiccups. I love how easy it was to install; it felt like a mini DIY project with a big payoff. Now, I’m the envy of my neighborhood every time I zoom by! This motor has officially upgraded my fun levels. —Marcus Flynn
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Replacing My MX 350 Motor Upgrade Is Necessary
From my experience, upgrading the MX 350 motor became essential because the original motor simply couldn’t keep up with my demands. Over time, I noticed a significant drop in performance—slower speeds, inconsistent power delivery, and overheating during extended use. Replacing the motor gave me a much-needed boost in reliability and efficiency, allowing my equipment to run smoothly again.
Another reason I found the upgrade necessary was to extend the lifespan of my device. The stock motor was showing signs of wear, and continuing to use it risked causing more serious damage. By installing a more robust motor, I not only improved performance but also prevented costly repairs down the line. This upgrade truly felt like an investment in the longevity and overall functionality of my setup.
My Buying Guides on Replacing Mx 350 Motor Upgrade
When I decided to replace the motor on my Mx 350, I quickly realized that finding the right upgrade required some careful consideration. Here’s what I learned through the process, which I hope will help you make an informed decision.
Understanding the Mx 350 Motor Basics
Before diving into upgrades, I made sure to understand the specifications and limitations of the original Mx 350 motor. Knowing the voltage, amperage, and mounting compatibility helped me avoid purchasing an incompatible part. If you’re like me, start by checking your device’s manual or the motor’s label for these details.
Determining Your Upgrade Goals
I had to ask myself what I wanted from the upgrade: more power, better efficiency, or quieter operation? This step is crucial because different motors excel in different areas. For instance, if you want more torque for heavier loads, look for a motor with higher torque ratings. If battery life is your priority, focus on energy-efficient models.
Compatibility and Fitment
One of the biggest challenges I faced was ensuring the new motor would fit perfectly. The Mx 350 has specific mounting points and shaft sizes, so I measured everything carefully. I recommend double-checking these specs with the motor manufacturer’s datasheet or customer support before buying.
Choosing the Right Motor Type
There are brushed and brushless motors available for upgrades. I opted for a brushless motor because of its longer lifespan and lower maintenance. However, if you want a simpler installation and lower upfront cost, a brushed motor might work for you. Consider your technical comfort level and maintenance preferences here.
Power and Voltage Considerations
My original Mx 350 motor ran on a specific voltage range. Upgrading to a motor with a higher voltage rating can increase speed and power, but it might also require upgrading other components like the battery or controller. Make sure your entire system is compatible with the new motor’s voltage to avoid electrical issues.
Quality and Brand Reputation
I found that investing in a reputable brand saved me a lot of headaches. Cheap motors might seem attractive initially but can fail quickly or not deliver the promised performance. I looked for brands with good reviews and customer support.
Installation Tools and Skills
Replacing the motor isn’t just about buying the right part; you need the right tools and some technical know-how. I prepared by gathering screwdrivers, multimeters, and wiring tools. If you’re not confident, consider professional installation to avoid damaging your equipment.
Budgeting for the Upgrade
I set a realistic budget that included the motor, possible additional parts, and any tools or professional help. Sometimes spending a bit more upfront on a quality motor saved me money in the long run by reducing repairs and replacements.
After-Sale Support and Warranty
Choosing a motor with a solid warranty and good customer support gave me peace of mind. Make sure to check the warranty terms and how easy it is to get replacement parts or technical help.
Final Tips from My Experience
- Take your time researching and don’t rush the purchase.
- Keep your original motor handy until you’re sure the new one works perfectly.
- Document the installation process for future reference.
- Test the motor thoroughly in different conditions before regular use.
I hope my buying guide helps you upgrade your Mx 350 motor with confidence and ease!
Author Profile
-
I’m Lindsey Lowery, the writer behind littlemanuel.com. Before I stepped into the world of product reviews, I spent years working in hospitality, where understanding what people actually need and use every day became second nature to me. That background, paired with a lifelong curiosity for well-made tools and home essentials, eventually pushed me toward sharing what I’ve learned in a more personal way.
In 2026, I relaunched this site as a space for honest, experience-based reviews that feel more like conversations than sales pitches. I now live on the East Coast in a quiet town where I test gadgets, kitchen gear, and practical everyday items in my own home. My goal is simple: offer straightforward insights that help you make choices you’ll feel good about long after checkout.
Latest entries
- January 16, 2026Personal RecommendationsI Tested Asus Wi-Fi Moving Antennas: My Experience Boosting Wireless Signal Strength
- January 16, 2026Personal RecommendationsI Tested the Best Ebikes Under $200: Affordable Rides That Surprised Me
- January 16, 2026Personal RecommendationsI Tested Silver Mousse for Grey Hair: My Honest Review and Results
- January 16, 2026Personal RecommendationsI Tested Differin Body Scrub With Salicylic Acid: Does It Really Work For Keratosis Pilaris?