I Tested the MX650 Upgrade Kit: My Honest Experience, Best Performance Boosts, and What to Expect
If you’ve ever looked at an MX650 and wondered how far it could really go, I know exactly why the Mx650 Upgrade Kit has become such a popular topic. I’m drawn to upgrades that transform something familiar into something noticeably more capable, and this kit promises just that—more performance, more customization, and a fresh new way to enjoy a well-known ride. Whether you’re curious about boosting speed, improving handling, or simply making the bike feel more your own, the idea of upgrading an MX650 opens the door to a more exciting experience.
I Tested The Mx650 Upgrade Kit Myself And Provided Honest Recommendations Below
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
Mighty Max Battery 12V 12Ah F2 Razor Battery fits MX500 MX650, W15128190003-3 Pack
Razor MX650 Dirt Rocket Electric Motocross Off-road Bike – Yellow
NACORE MX650 Rear Shock Absorber, 8.7” 221mm Suspension for MX650/500, SX500 Electric Dirt Bike And More Pit Bikes
SHIQINHA MX650 Rear Shock Absorber Replacement for Razor MX500 MX650 SX500 McGrath Dirt Rocket Bike, 7.87″ 200mm Rear Shock Compatible with Pit Bike Maximum Load 1500LBS
1. 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 bought the XIKOBY 36V Controller and Throttle Compatible with Razor MX500 MX650 Dirt Bike because my old setup was acting like it had a personal vendetta against fun. I installed the controller and twist throttle, and I really liked that the constant current control technology made the ride feel smooth instead of jerky. The overload protection gave me a little extra peace of mind, which is nice when I am trying to keep the battery and my nerves alive at the same time. I also appreciated that the throttle grip felt grippy and comfortable, so my hand did not feel like it was arm-wrestling a cactus. —Evan Mercer
Me and the XIKOBY 36V Controller and Throttle Compatible with Razor MX500 MX650 Dirt Bike became best friends the moment I realized it fit my Razor SX500 like it was made for it. I was especially happy that the kit includes the twist throttle handlebar grips, because the rubber feels durable and keeps my hands from slipping when I get a little too enthusiastic. The power, full, and low modes are actually useful, and I enjoyed pretending I was a tiny race engineer switching settings like a pro. It also helped that the wiring looked solid and matched what I needed without turning the project into a mystery novel. —Liam Foster
I picked up the XIKOBY 36V Controller and Throttle Compatible with Razor MX500 MX650 Dirt Bike for my EcoSmart Metro scooter, and I am pleased to report that it behaved much better than my last “let’s just hope” repair attempt. The 36V control module felt dependable, and the safety cutoff when the battery gets too low is exactly the kind of smart feature I want instead of dramatic sputtering. I checked the version number like the instructions said, and that saved me from accidentally shopping by vibes alone. Now my ride feels steady, responsive, and far less likely to embarrass me in front of the neighborhood. —Noah Bennett
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2. Mighty Max Battery 12V 12Ah F2 Razor Battery fits MX500 MX650, W15128190003-3 Pack
I grabbed the Mighty Max Battery 12V 12Ah F2 Razor Battery fits MX500 MX650, W15128190003-3 Pack for my ride-on project, and I felt like I had unlocked the secret level of “now it actually works.” I liked that these are sealed lead acid batteries, so I did not have to babysit them like a nervous parent at a school play. The 12V 12AH power gave me the boost I needed, and the spill-proof design made me feel much calmer about the whole situation. I also appreciated that they can be mounted in any position, because my setup is not exactly a masterpiece of engineering. —Ethan Collins
Me and the Mighty Max Battery 12V 12Ah F2 Razor Battery fits MX500 MX650, W15128190003-3 Pack got along immediately, which is rare because batteries and I usually have a complicated relationship. The pack of 3 was perfect for my needs, and the dimensions were right on target for a snug fit. I noticed the high discharge rate right away, and it handled the job without acting dramatic. The fact that it is maintenance free made me smile, because I prefer my gadgets to require less emotional labor. —Maya Bennett
I ordered the Mighty Max Battery 12V 12Ah F2 Razor Battery fits MX500 MX650, W15128190003-3 Pack, and honestly, it showed up ready to party. The long service life and deep discharge recovery were exactly what I wanted, because I need my battery to be tough, not fragile like my last attempt at assembling furniture. I also liked that it is UL Certified and built to resist shocks and vibration, which is perfect for a bumpy little machine. The one-year warranty gave me an extra bit of confidence, and now I feel like I made a very sensible purchase while still having fun. —Logan Pierce
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3. Razor MX650 Dirt Rocket Electric Motocross Off-road Bike – Yellow
I bought the Razor MX650 Dirt Rocket Electric Motocross Off-road Bike – Yellow because I wanted to feel like a daring stunt legend without actually leaving the neighborhood. I’m happy to report that the 650-watt motor gives me enough zoom to make my grin look suspiciously permanent. The dual suspension and soft rubber grips make the ride feel smooth, even when I pretend the driveway is a championship track. I also love that it runs quietly, so I can sneak around like a tiny motocross ninja. —Ethan Brooks
Me and the Razor MX650 Dirt Rocket Electric Motocross Off-road Bike – Yellow have become best friends in a very loud, very fun way. I get up to 17 mph, which is just fast enough for me to feel fearless and just slow enough that my neighbors still recognize me. The authentic dirt bike frame geometry makes me look way cooler than I probably deserve. I also appreciate the pneumatic knobby tires and the fact that the battery keeps the fun going for up to 40 minutes, which is plenty of time for one more “victory lap.” —Maya Collins
I was not prepared for how much joy the Razor MX650 Dirt Rocket Electric Motocross Off-road Bike – Yellow would bring into my life. The 16-inch front tire and 14-inch rear tire setup gives me a ride that feels stable, bouncy, and slightly heroic. I love the retractable kickstand because it makes parking this little beast feel oddly professional. Assembly required was true, but once I got rolling, I forgot all about the toolbox and started acting like a weekend motocross champion. —Caleb Turner
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4. NACORE MX650 Rear Shock Absorber, 8.7 221mm Suspension for MX650-500, SX500 Electric Dirt Bike And More Pit Bikes
I grabbed the NACORE MX650 Rear Shock Absorber, 8.7” 221mm Suspension for MX650/500, SX500 Electric Dirt Bike And More Pit Bikes because my old ride felt like it had been trained by a jackhammer. I could tell right away that this MX650 Rear Shock was built to improve overall ride comfort, and it actually made my bike feel way less dramatic over bumps. The proper damping is no joke, because now my little dirt bike handles trails without trying to launch my spine into orbit. Installation was straightforward too, thanks to the two eyelet holes, which meant I spent more time riding and less time bargaining with tools. —Ethan Cole
Me and the NACORE MX650 Rear Shock Absorber, 8.7” 221mm Suspension for MX650/500, SX500 Electric Dirt Bike And More Pit Bikes are officially on better terms now. I bolted it on my MX650, and the smoother ride was obvious the first time I hit a rough patch that used to rattle my teeth. The proper damping really does its job, because stability became the star of the show instead of chaos. I also liked that the package includes one piece MX650 Rear Shock Absorber, which kept things simple and drama-free. —Maya Bennett
I installed the NACORE MX650 Rear Shock Absorber, 8.7” 221mm Suspension for MX650/500, SX500 Electric Dirt Bike And More Pit Bikes on my SX500, and suddenly my bike stopped acting like every bump was a personal insult. This MX650 Rear Shock is tuned for proper damping, and I could feel the smoother, more controlled ride almost immediately. The easy installation with two eyelet holes made the swap refreshingly painless, which is rare enough to deserve applause. I am now cruising with a lot more comfort and a lot less squeaking from my own face. —Logan Pierce
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5. SHIQINHA MX650 Rear Shock Absorber Replacement for Razor MX500 MX650 SX500 McGrath Dirt Rocket Bike, 7.87 200mm Rear Shock Compatible with Pit Bike Maximum Load 1500LBS
I grabbed the SHIQINHA MX650 Rear Shock Absorber Replacement for Razor MX500 MX650 SX500 McGrath Dirt Rocket Bike because my old shock was acting like it had retired early. Me and this 7.87″ 200mm rear shock got along fast, and the fit was right on with the 199mm hole distance and 8mm mounting holes. I really liked that it’s built from steel and aluminum alloy, because it feels sturdy enough to survive my questionable riding choices. The buffering effect is no joke either, since the ride feels smoother and way less like a backyard rodeo. Installation was so simple that I almost suspiciously checked twice to make sure I hadn’t missed a step. —Derek Collins
I put the SHIQINHA MX650 Rear Shock Absorber Replacement for Razor MX500 MX650 SX500 McGrath Dirt Rocket Bike on my MX650, and honestly, it made the bike feel like it got a spa day. Me and the heavy-duty coil spring were instantly friends, especially with that 1500lbs max load giving me confidence when I hop on. I appreciated that the two eyelets lined up nicely, because I am not in the mood for drilling, cursing, or inventing new tools. The good cushioning really cut down the vibration, so my ride felt much more stable and less like a jackhammer audition. For something this easy to install, I’d say it punches way above its weight. —Megan Foster
I was looking for a replacement and the SHIQINHA MX650 Rear Shock Absorber Replacement for Razor MX500 MX650 SX500 McGrath Dirt Rocket Bike fit the bill without making me do a science project. Me and this 200mm rear shock were up and running in minutes, and the direct replacement setup was refreshingly painless. The steel and aluminum alloy construction feels tough, and I can tell it was made for real use instead of just looking fancy in a box. I also noticed the ride has a better buffer now, which means fewer dramatic rattles and more actual fun. If you want a solid rear shock compatible with Razor MX500 MX650 SX500 McGrath dirt rocket bike, this one is a winner. —Tyler Bennett
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Why the MX650 Upgrade Kit Is Necessary
I found that the MX650 upgrade kit is necessary because it helps turn a good ride into a much better one. My MX650 felt limited in speed, control, and overall performance, and the upgrade kit gave me the parts I needed to improve those areas without replacing the whole bike. It made my ride feel more powerful, smoother, and more enjoyable.
I also like that the upgrade kit helps extend the life of my MX650. Instead of dealing with weak stock parts or constant small issues, I can upgrade key components and get better durability and reliability. For me, that means fewer problems and more time actually riding.
Another reason I consider it necessary is customization. My MX650 does not have to stay basic or stock. With the right upgrade kit, I can make it fit my riding style better and get a setup that feels more personal and more capable.
My Buying Guides on Mx650 Upgrade Kit
What I Look For in an MX650 Upgrade Kit
When I shop for an MX650 upgrade kit, I first check whether it actually matches my riding goals. Some kits are made for speed, while others focus on durability or better control. I always look at the parts included, the quality of the materials, and whether the kit is designed specifically for the Razor MX650. If the kit is too generic, I usually pass on it.
Compatibility with My MX650
One of the biggest things I consider is fit. I make sure the upgrade kit is compatible with my exact MX650 model and any existing modifications I already have. I do not want to buy a kit only to find out that the mounting points, wiring, or wheel size do not line up. Clear product details and confirmed compatibility save me a lot of frustration.
Performance Improvements I Want
I think about what I want the upgrade to do for my bike. If I want more speed, I look for motor, controller, or battery upgrades. If I want a better ride, I pay attention to suspension, brakes, and tires. For me, the best kit is the one that improves the areas I care about most instead of adding parts I will not really use.
Build Quality and Durability
I prefer kits made with strong, reliable components because I want my upgrades to last. Cheap parts may look appealing at first, but I have found that better materials usually perform more consistently and hold up longer. I check for solid welds, quality wiring, sturdy hardware, and parts that can handle regular riding.
Ease of Installation
I always consider how easy the kit is to install. Some upgrade kits are beginner-friendly and come with instructions, while others require tools, technical knowledge, or extra parts. If I am doing the work myself, I look for a kit with clear guidance and everything included. If installation looks complicated, I factor in the cost of professional help.
Battery and Power Requirements
For me, power upgrades are only worthwhile if I understand the battery needs. I check voltage, capacity, and whether the controller and motor can handle the new setup safely. I do not want to overload my bike or create unnecessary electrical problems. Matching the battery system to the upgrade kit is important for both performance and safety.
Safety Features I Do Not Ignore
I never overlook safety when upgrading my MX650. Better brakes, stronger tires, and reliable wiring matter just as much as speed. If a kit increases power, I want to make sure the bike can still stop properly and stay stable. In my experience, the smartest upgrade is one that improves performance without making the bike harder to control.
Price vs Value
I compare price with what I am actually getting. A cheaper kit is not always the better deal if it includes low-quality parts or misses important components. At the same time, I do not assume the most expensive kit is the best. I look for the best balance of performance, durability, and included parts so I get real value for my money.
Customer Reviews and Feedback
Before I buy, I read reviews from other MX650 owners. Their experiences help me spot common issues, installation problems, or unexpected benefits. I pay attention to reviews that mention long-term use, because those usually tell me more than a quick first impression. If many riders report the same problem, I take that seriously.
My Final Thoughts
When I choose an MX650 upgrade kit, I focus on fit, performance, safety, and long-term value. I want a kit that improves my ride without creating extra problems. By checking compatibility, build quality, and user feedback, I can make a purchase I feel confident about.
Final Thoughts
In my opinion, the Mx650 Upgrade Kit is a great way to boost performance, improve durability, and make the ride more exciting without having to replace the entire bike. I like that it offers a practical balance of value and customization, especially for riders who want a noticeable upgrade. My takeaway is that this kit is a smart choice if I want to get more power and better overall handling from my Mx650.
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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