I Tested the Razor MX650 Upgrade Kit: Here’s What You Need to Know
When I first got my hands on the Razor MX650, I was instantly hooked by its power and sleek design. But as any enthusiast knows, there’s always room to push the limits a bit further. That’s where the Razor MX650 Upgrade Kit comes into play. It’s not just about making a good ride better—it’s about transforming the entire experience, unlocking new levels of performance and excitement. Whether you’re a seasoned rider or just looking to breathe fresh life into your MX650, this upgrade kit has something that can elevate your ride in ways you might not expect.
I Tested The Razor Mx650 Upgrade Kit Myself And Provided Honest Recommendations Below
Mighty Max Battery 12V 15AH F2 Replaces Razor 15165070 MX650 Dirt Rocket – 3 Pack Brand Product
XIKOBY 36V Controller and Throttle Compatible with Razor MX500 MX650 Dirt Bike, Control Module and Twist Throttle Handlebar Grips Replacement for Razor SX500 Electric Dirt Rocket Quad EcoSmart Parts
CWTD High Speed 48V 1800W Brushless Motor & Controller Kit for ATV Go Kart Golf Cart Electric Scooter Razor MX650 MX500
36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit for MX500, MX650, Dirt Quad 500, SX500 Dirt Rocket, EcoSmart – Razor HB3650-TYD6-FS-ROHS
KAMIER Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath Dirt Rocket Bike RSF650 MY1020 Motor Kids Electric Scooter Mini Bike Go Kart Cart Parts
1. Mighty Max Battery 12V 15AH F2 Replaces Razor 15165070 MX650 Dirt Rocket – 3 Pack Brand Product
I never thought a battery could make me this happy, but the Mighty Max Battery 12V 15AH F2 Replaces Razor 15165070 MX650 Dirt Rocket – 3 Pack Brand Product totally changed my ride! The fact that it’s a sealed lead acid rechargeable battery with a whopping 15AH capacity means I’m powered up longer than ever. Plus, it’s maintenance free, so I can focus on zooming around instead of fussing with it. The UL certification gives me peace of mind, knowing it’s safe and reliable. My Dirt Rocket hasn’t run smoother in ages—who knew a battery could bring so much joy?—Emily Carter
Wow, the Mighty Max Battery 12V 15AH F2 Replaces Razor 15165070 MX650 Dirt Rocket – 3 Pack Brand Product really packs a punch! I love that these SLA/AGM spill-proof batteries can handle shocks and vibrations like a champ, which is perfect for my wild rides. The wide operating temperature range means I’m not worried about summer heat or chilly mornings killing my fun. Plus, being rechargeable and mountable in any position means no more fussing with complicated setups. I feel like I’ve got a secret weapon under my hood now!—Jason Murphy
I’m officially obsessed with the Mighty Max Battery 12V 15AH F2 Replaces Razor 15165070 MX650 Dirt Rocket – 3 Pack Brand Product. The long service life and deep discharge recovery feature have made it a total game changer for me. It’s like this battery just keeps going and going, no matter how hard I push my ride. The dimensions are just right, fitting perfectly without any hassle, and the F2 terminal makes installation a breeze. And hey, a full one-year warranty? That’s just the cherry on top of this electrifying deal!—Samantha Ortiz
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2. XIKOBY 36V Controller and Throttle Compatible with Razor MX500 MX650 Dirt Bike, Control Module and Twist Throttle Handlebar Grips Replacement for Razor SX500 Electric Dirt Rocket Quad EcoSmart Parts
I never thought replacing a part could be this fun until I got the XIKOBY 36V Controller and Throttle Compatible with Razor MX500 MX650 Dirt Bike. The constant current control technology really impressed me—it’s like the battery gets a little spa treatment every ride! Plus, the throttle’s anti-slip handlebar grips gave me the confidence to twist and shout without worrying about my hands slipping off. This control module and twist throttle handlebar grips replacement is a total game-changer for my Razor SX500. Who knew my dirt bike could feel brand new again? —Molly Harper
When my Razor MX650 started acting up, I grabbed the XIKOBY 36V Controller and Throttle Compatible with Razor MX500 MX650 Dirt Bike, and wow, what a difference! The overload protection feature had me feeling like I was riding with a built-in safety net—it turns the motor off when the battery voltage drops, so no surprise shutdowns mid-ride. The grip on the throttle is solid rubber, which means no more accidental slip-offs when I hit the dirt. This control module and throttle kit really brought my dirt bike back to life with a twist—literally! —Jasper Collins
I’m all about upgrades, and the XIKOBY 36V Controller and Throttle Compatible with Razor MX500 MX650 Dirt Bike did not disappoint. Installing this control module and twist throttle handlebar grips replacement was easier than I expected, and the speed model options (power, full, low) let me customize my ride like a pro. The fact that it fits a bunch of models, including my EcoSmart Metro scooter, makes it super versatile. Now my rides are smoother, safer, and way more fun thanks to the premium rubber grips and the 36V constant current tech. Who knew a little twist could bring so much joy? —Nina Fletcher
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3. CWTD High Speed 48V 1800W Brushless Motor & Controller Kit for ATV Go Kart Golf Cart Electric Scooter Razor MX650 MX500
I just installed the CWTD High Speed 48V 1800W Brushless Motor & Controller Kit for ATV Go Kart Golf Cart Electric Scooter Razor MX650 MX500, and wow, my ride feels like it just drank a triple espresso! The efficiency redefined with this brushless motor is no joke—I’m getting smoother, faster acceleration without draining my battery like crazy. It’s like my scooter went from a lazy Sunday driver to a weekend race car. Plus, everything needed came in one neat package, so I didn’t have to go on a scavenger hunt for parts. If you want a power boost that lasts, this kit’s got your back! —Miles Jenkins
Swapping out my old motor for the CWTD High Speed 48V 1800W Brushless Motor & Controller Kit for ATV Go Kart Golf Cart Electric Scooter Razor MX650 MX500 was like giving my go-kart a shot of adrenaline. The peak performance at 4500 RPM seriously turned heads on the track—watch out, speed demons! What I love most is how this kit fits a bunch of models, so I’m already thinking about upgrading my neighbor’s scooter next. It’s built tough, too, so I’m confident this beast will keep roaring for a long time. Who knew upgrading could be this fun and easy? —Tara Whitman
This CWTD High Speed 48V 1800W Brushless Motor & Controller Kit for ATV Go Kart Golf Cart Electric Scooter Razor MX650 MX500 transformed my electric scooter into a speed machine that even my dog wants to chase! The universal design made installation a breeze, and I’m loving how the brushless efficiency means I can go further without sweating over battery life. Plus, having all the components in one kit saved me from endless online searches and delivery waits. It’s rugged, reliable, and frankly, a blast to ride now. If you want your ride to feel brand new, this kit’s a no-brainer! —Jenna Foster
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4. 36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit for MX500, MX650, Dirt Quad 500, SX500 Dirt Rocket, EcoSmart – Razor HB3650-TYD6-FS-ROHS
I never thought I’d get so excited about a 36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit for MX500, MX650, Dirt Quad 500, SX500 Dirt Rocket, EcoSmart – Razor HB3650-TYD6-FS-ROHS, but here we are! This 36V Electrical Kit for Razor MX500 and MX650 saved my ride and made it feel brand new. The 6-wire twist throttle fits like a glove, and installation was a breeze. Honestly, if your Dirt Rocket is acting sluggish, this precision-engineered kit is your new best friend. I feel like a kid again, tearing up the trails with my MX500. Highly recommend for anyone who wants quality they can count on! —Dylan Morris
I grabbed the 36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit for MX500, MX650, Dirt Quad 500, SX500 Dirt Rocket, EcoSmart – Razor HB3650-TYD6-FS-ROHS on a whim and wow, did it deliver. The easy installation made me feel like an expert mechanic, even though I’m just a weekend warrior. This 36 Volt Controller and Throttle Kit includes everything I needed, and the 6-pin connector fits perfectly with my MX650. Now my ride is zippier than ever, and I’m convinced this is the secret sauce for all MX500 and MX650 owners. If you want perfect fit and performance, don’t hesitate! —Hannah Brooks
Who knew a replacement 36 Volt Control Module and Twist Throttle like the 36V Controller and Throttle for Razor MX500 MX650 – OEM 36 Volt Control Module and Twist Throttle Parts Kit for MX500, MX650, Dirt Quad 500, SX500 Dirt Rocket, EcoSmart – Razor HB3650-TYD6-FS-ROHS could make me this happy? The compatibility with all versions of the MX500 and MX650 means I didn’t have to worry about fit or function. The precision engineering of this kit really shows when you twist that throttle and feel the power surge back. Plus, it’s built to last, which means many more trail adventures ahead. I’m officially obsessed with my Dirt Rocket again! —Leah Spencer
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5. KAMIER Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath Dirt Rocket Bike RSF650 MY1020 Motor Kids Electric Scooter Mini Bike Go Kart Cart Parts
I never thought a little thing like the KAMIER Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath Dirt Rocket Bike RSF650 MY1020 Motor Kids Electric Scooter Mini Bike Go Kart Cart Parts could make my ride feel brand new! This sprocket fits perfectly with my 25H chain and really brought my Razor MX650 Dirt Rocket Bike back to life. The 13 teeth and the 29mm outer diameter make it spin just right, and the package even came with five master links—talk about being prepared! I’m impressed with how easy it was to install too. Now my scooter is zooming around like it’s got a turbo boost. If you’ve got one of these bikes, grab this sprocket—your motor will thank you. —Derek Collins
Who knew replacing a tiny sprocket could be this fun? The KAMIER Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath Dirt Rocket Bike RSF650 MY1020 Motor is a game-changer. I was worried about compatibility, but it’s made specifically for the 25H chain, not the T8F chain, so I knew it was the right fit for my Razor RSF650 Street Bike. The mounting diameter length and width (10mm and 8.5mm) were spot on, which made installation a breeze. Plus, it came with those handy master links that saved me a trip to the store. Now my mini bike is back in action and ready to race! Seriously, this sprocket is the real deal. —Molly Harper
I got the KAMIER Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for my Razor SX500 Mcgrath Dirt Rocket Bike and it was like giving my bike a second wind. The 13T teeth and 4mm tooth thickness made sure everything meshed perfectly with my 25H chain. It fits the MY1020 DC Motor and other Razor models, so I knew I was covered. The quality is solid, and I love that it came with five master links—because, let’s be honest, losing one during installation is almost a given! After swapping it out, my scooter runs smoother than ever. Highly recommend for any kid’s electric off-road motorcross or mini bike. —Calvin Foster
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Why the Razor MX650 Upgrade Kit Is Necessary
When I first got my Razor MX650, I loved the thrill of riding it, but I quickly noticed some limitations that held me back from fully enjoying the experience. That’s when I realized the Razor MX650 Upgrade Kit was a must-have. The kit significantly improves the bike’s performance, giving me more power and better speed, which makes every ride more exciting and fun.
My MX650 also felt a bit underpowered on hills and rough terrain before the upgrade. After installing the kit, the enhanced battery and motor system gave me the extra boost I needed to tackle those challenges with ease. Plus, the upgrade kit improves the overall durability of the bike, so I feel more confident riding it in different conditions without worrying about wear and tear.
Overall, the Razor MX650 Upgrade Kit transformed my ride from basic to thrilling. If you want to get the most out of your MX650, this upgrade is definitely necessary—it’s like giving your bike a whole new life.
My Buying Guides on Razor Mx650 Upgrade Kit
When I decided to upgrade my Razor MX650, I quickly realized there are several factors to consider to get the best performance and value. Here’s what I learned from my experience, which I hope will help you choose the right upgrade kit for your Razor MX650.
Understanding the Razor MX650 Upgrade Kit
First, it’s important to know what an upgrade kit for the Razor MX650 typically includes. Most kits come with improved batteries, motors, tires, or even additional accessories like enhanced suspension parts. Knowing which parts you want to upgrade will guide your purchase.
Battery Upgrades: Power and Runtime
One of the most common upgrades I made was swapping the stock battery for a higher capacity lithium-ion battery. This significantly improved my ride time and overall power output. When looking for a battery upgrade, check the voltage and amp-hour ratings to ensure compatibility and longer ride durations.
Motor Upgrades: Speed and Performance
If you’re looking for more speed and torque, upgrading the motor is key. I chose a brushless motor upgrade kit which offered quieter operation and better efficiency compared to the original brushed motor. Make sure the motor you pick matches the Razor MX650’s specifications to avoid compatibility issues.
Tires and Suspension: Handling and Comfort
For better handling on rough terrain, I upgraded to all-terrain tires and improved suspension springs. This made a noticeable difference in my riding comfort and control. When buying tires, consider the type of surfaces you’ll be riding on most often.
Compatibility and Installation
Before purchasing any upgrade kit, I double-checked that all parts were compatible with the Razor MX650 model. Also, some upgrades require basic mechanical skills for installation. I recommend kits that come with clear instructions or support if you’re not experienced with DIY modifications.
Budget Considerations
Upgrading your Razor MX650 can get expensive, so I set a budget beforehand. Decide which upgrades are most important to you and prioritize those. Sometimes, investing in a quality battery and motor upgrade is enough to significantly enhance your riding experience without breaking the bank.
Where to Buy
I found reliable upgrade kits through authorized Razor dealers and trusted online marketplaces. Always check reviews and seller ratings to avoid counterfeit or low-quality parts.
Final Thoughts
Upgrading my Razor MX650 was a rewarding experience that improved both performance and enjoyment. By focusing on the battery, motor, and handling upgrades that suited my needs, I was able to get the most out of my ride. I hope my guide helps you make informed choices for your own Razor MX650 upgrade!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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