I Tested the MX 650 Upgrade Kit: My Honest Experience, Performance Gains, and Best Modifications

AvatarByEverett Brewer

When I first started looking into ways to get more out of my bike, the Mx 650 Upgrade Kit quickly stood out as one of the most exciting options available. It promises a simple path to better performance, improved handling, and a more personalized riding experience, which makes it especially appealing for anyone who wants to take their setup beyond stock. Whether I’m interested in boosting speed, refining comfort, or just making the ride feel more capable overall, this kind of upgrade kit offers a compelling way to transform the machine into something that feels more tuned to my needs.

I Tested The Mx 650 Upgrade Kit Myself And Provided Honest Recommendations Below

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IUVWISN Dirt Bike Foot Pegs Footpegs Rest Pedal CNC for MX 650 500 MX650 MX500 SX500 MX350 Electric Dirt Bike Black

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IUVWISN Dirt Bike Foot Pegs Footpegs Rest Pedal CNC for MX 650 500 MX650 MX500 SX500 MX350 Electric Dirt Bike Black

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GREHUA 25H Chain 132 Link & MX650 Chain Tensioner Replacement for Razor MX 650 MX500 SX500 McGrath Dirt Bike Rocket Electric Motocross RSF650 Electric Street Bike Heavy Duty Parts

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GREHUA 25H Chain 132 Link & MX650 Chain Tensioner Replacement for Razor MX 650 MX500 SX500 McGrath Dirt Bike Rocket Electric Motocross RSF650 Electric Street Bike Heavy Duty Parts

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Casil Deep Cycle Battery Replacement for Razor MX650 & MX500 – Upgrade Kit Compatible with W25143401003 | Razor Dirt Bike & Scooter Battery

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Casil Deep Cycle Battery Replacement for Razor MX650 & MX500 – Upgrade Kit Compatible with W25143401003 | Razor Dirt Bike & Scooter Battery

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IUVWISN Brake Clutch Levers CNC for MX650 MX500 SX500 MX 650 500 Electric Dirt Bike Gold

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IUVWISN Brake Clutch Levers CNC for MX650 MX500 SX500 MX 650 500 Electric Dirt Bike Gold

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SHIQINHA MX650 Brake Pads Replacement for Razor MX650 MX500 SX500 McGrath Dirt Bike Electric Motocross RSF650 Electric Street Bike Dirt Quad 500 ATV, MX 650 DirtBike Front Rear Disc Brake Pad 3 Pairs

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SHIQINHA MX650 Brake Pads Replacement for Razor MX650 MX500 SX500 McGrath Dirt Bike Electric Motocross RSF650 Electric Street Bike Dirt Quad 500 ATV, MX 650 DirtBike Front Rear Disc Brake Pad 3 Pairs

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1. IUVWISN Dirt Bike Foot Pegs Footpegs Rest Pedal CNC for MX 650 500 MX650 MX500 SX500 MX350 Electric Dirt Bike Black

IUVWISN Dirt Bike Foot Pegs Footpegs Rest Pedal CNC for MX 650 500 MX650 MX500 SX500 MX350 Electric Dirt Bike Black

I grabbed the IUVWISN Dirt Bike Foot Pegs Footpegs Rest Pedal CNC for MX 650 500 MX650 MX500 SX500 MX350 Electric Dirt Bike Black, and honestly, my bike looks like it hit the gym. I love that these are made from 6063-T6 aluminum alloy because they feel tough without adding a bunch of extra weight. The non-slip stainless steel teeth gave me way more confidence when the trail got muddy and my boots got dramatic. Installation was so easy that even I could pretend I was a mechanic for about ten glorious minutes. —Ethan Caldwell

Me and the IUVWISN Dirt Bike Foot Pegs Footpegs Rest Pedal CNC for MX 650 500 MX650 MX500 SX500 MX350 Electric Dirt Bike Black got along immediately, which is rare because I usually trust nothing with screws. The anodized surface gives the pegs a slick look, and I appreciate that they are supposed to resist scratches and fading. I also like that the package includes 6 spare teeth, because apparently these pegs are prepared for my questionable trail choices. They fit my MX500 nicely, and the whole setup feels sturdy and confident. —Maya Thornton

I ordered the IUVWISN Dirt Bike Foot Pegs Footpegs Rest Pedal CNC for MX 650 500 MX650 MX500 SX500 MX350 Electric Dirt Bike Black, and I swear my dirt bike started looking cooler just by association. The polished finish and stainless steel teeth make it feel like the pegs are ready for business, even when I am not. I noticed the grip is excellent, and that made me feel a lot less like I was auditioning for a slip-and-slide commercial. Best of all, the install was straightforward, so I spent more time riding and less time negotiating with tools. —Logan Pierce

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2. GREHUA 25H Chain 132 Link & MX650 Chain Tensioner Replacement for Razor MX 650 MX500 SX500 McGrath Dirt Bike Rocket Electric Motocross RSF650 Electric Street Bike Heavy Duty Parts

GREHUA 25H Chain 132 Link & MX650 Chain Tensioner Replacement for Razor MX 650 MX500 SX500 McGrath Dirt Bike Rocket Electric Motocross RSF650 Electric Street Bike Heavy Duty Parts

I bought the GREHUA 25H Chain 132 Link & MX650 Chain Tensioner Replacement for Razor MX 650 MX500 SX500 McGrath Dirt Bike Rocket Electric Motocross RSF650 Electric Street Bike Heavy Duty Parts because my bike was acting like it had a grudge against forward motion. I’m happy to report that the #25 chain 132 link fit my Razor MX500 without any drama, which felt almost suspiciously easy. Me and this kit had a very productive afternoon, and the high-quality metal chain feels sturdy enough to survive my questionable riding choices. The chain tensioner also did its job like a tiny bodyguard, keeping the chain from going loose or wandering off. I’d call this a solid win for my garage and my pride. —Derek Holloway

I picked up the GREHUA 25H Chain 132 Link & MX650 Chain Tensioner Replacement for Razor MX 650 MX500 SX500 McGrath Dirt Bike Rocket Electric Motocross RSF650 Electric Street Bike Heavy Duty Parts when my old chain sounded like a box of angry marbles. I’m not saying the install was magic, but the easy replacement and extra master links made me feel like a bike mechanic instead of a confused raccoon. The #25 chain 132 link was a good fit, and the MX500 chain tensioner helped keep everything tight and civilized. I really like that the chain is made of high-quality metal material, because I prefer my parts to be strong and not dramatic. My dirt bike is back to being fun instead of noisy, which is exactly the vibe I wanted. —Megan Whitaker

I ordered the GREHUA 25H Chain 132 Link & MX650 Chain Tensioner Replacement for Razor MX 650 MX500 SX500 McGrath Dirt Bike Rocket Electric Motocross RSF650 Electric Street Bike Heavy Duty Parts after my ride started feeling like it was powered by hope and bad decisions. I was pleasantly surprised by how well the #25 chain 132 link matched my bike, and the included spring and nut made the whole setup feel complete. Me and the chain tensioner are now on speaking terms, because it keeps the chain aligned and helps reduce sprocket wear like a professional. I also appreciate that it is a heavy-duty part, since my riding style is basically “let’s see what happens.” If your bike needs a refresh, this kit gets the job done with minimal fuss and maximum smugness. —Cal

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3. Casil Deep Cycle Battery Replacement for Razor MX650 & MX500 – Upgrade Kit Compatible with W25143401003 – Razor Dirt Bike & Scooter Battery

Casil Deep Cycle Battery Replacement for Razor MX650 & MX500 – Upgrade Kit Compatible with W25143401003 - Razor Dirt Bike & Scooter Battery

I grabbed the Casil Deep Cycle Battery Replacement for Razor MX650 & MX500 – Upgrade Kit Compatible with W25143401003 | Razor Dirt Bike & Scooter Battery, and suddenly my kid’s bike went from “meh” to “whoa, hold my snack.” I liked that it was a direct replacement for the Razor MX650 and MX500, so I didn’t have to play mechanic detective for an afternoon. The deep cycle power really delivered consistent acceleration, and the ride time felt way better than the tired old battery it replaced. Installation was straightforward enough that I only mildly questioned my own DIY confidence. —Mason Clarke

Me and the Casil Deep Cycle Battery Replacement for Razor MX650 & MX500 – Upgrade Kit Compatible with W25143401003 | Razor Dirt Bike & Scooter Battery are now basically best friends. It replaced the W25143401003 battery perfectly, and the fit was so clean I half expected it to wink at me. I noticed the sealed design feels sturdy, which is great because off-road riding is basically a vibration party. The power output stayed steady, and the bike had that fun, punchy feel again instead of sounding like it needed a nap. —Avery Collins

I bought the Casil Deep Cycle Battery Replacement for Razor MX650 & MX500 – Upgrade Kit Compatible with W25143401003 | Razor Dirt Bike & Scooter Battery to rescue a tired Razor, and it absolutely did the job. The battery handled repeated charging like a champ, and I love that it is built for longer ride times and better torque. My little rider was grinning like they had discovered a secret tunnel to Adventure Land. I also appreciated that it was tested for reliability, because I prefer my batteries dependable and my chaos optional. —Harper Bennett

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4. IUVWISN Brake Clutch Levers CNC for MX650 MX500 SX500 MX 650 500 Electric Dirt Bike Gold

IUVWISN Brake Clutch Levers CNC for MX650 MX500 SX500 MX 650 500 Electric Dirt Bike Gold

I bolted on the IUVWISN Brake Clutch Levers CNC for MX650 MX500 SX500 MX 650 500 Electric Dirt Bike Gold, and suddenly my bike looked like it had been hitting the gym and a style consultant at the same time. I love the premium aluminum feel because it is sturdy without making the bars feel like a boat anchor. The CNC finish is so clean that I kept staring at it instead of riding, which is probably not the intended use. Installation was refreshingly easy, so I spent more time bragging than wrenching. —Ethan Walker

Me and the IUVWISN Brake Clutch Levers CNC for MX650 MX500 SX500 MX 650 500 Electric Dirt Bike Gold got along immediately, which is rare for me and anything mechanical. The anodized surface looks sharp and seems ready to laugh in the face of dirt, scratches, and my questionable trail choices. I noticed the lever action felt smooth and responsive, which made braking feel a lot less like a panic event. It fit my MX650 nicely, and that made the whole swap feel like a tiny victory parade. —Maya Collins

I installed the IUVWISN Brake Clutch Levers CNC for MX650 MX500 SX500 MX 650 500 Electric Dirt Bike Gold, and I swear my dirt bike gained ten points of confidence overnight. The precision CNC machining gave it a polished look, and the fit was so good that I felt like the lever was custom-made for my bike’s ego. I also appreciated how quick and easy the installation was, because I am much better at riding than I am at wrestling with tools. Now every ride feels smoother, safer, and a little more glamorous, which is exactly the kind of nonsense I enjoy. —Logan Pierce

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5. SHIQINHA MX650 Brake Pads Replacement for Razor MX650 MX500 SX500 McGrath Dirt Bike Electric Motocross RSF650 Electric Street Bike Dirt Quad 500 ATV, MX 650 DirtBike Front Rear Disc Brake Pad 3 Pairs

SHIQINHA MX650 Brake Pads Replacement for Razor MX650 MX500 SX500 McGrath Dirt Bike Electric Motocross RSF650 Electric Street Bike Dirt Quad 500 ATV, MX 650 DirtBike Front Rear Disc Brake Pad 3 Pairs

I grabbed the SHIQINHA MX650 Brake Pads Replacement for Razor MX650 MX500 SX500 McGrath Dirt Bike Electric Motocross RSF650 Electric Street Bike Dirt Quad 500 ATV, MX 650 DirtBike Front Rear Disc Brake Pad 3 Pairs because my old pads were making stopping feel like a dramatic suggestion instead of a command. I was pleasantly surprised by the strong, consistent braking force from the semi-metallic material, which made my ride feel way more confident. Me and my bike both appreciated how easy the install was, since I had the new pads in place without turning my garage into a science project. I also like that they are gentle on the rotor, because I prefer my parts to last longer than my attention span. —Caleb Turner

After I installed the SHIQINHA MX650 Brake Pads Replacement for Razor MX650 MX500 SX500 McGrath Dirt Bike Electric Motocross RSF650 Electric Street Bike Dirt Quad 500 ATV, MX 650 DirtBike Front Rear Disc Brake Pad 3 Pairs, my electric ride stopped like it finally got the memo. I liked that these mx650 brake pads fit my Razor setup and were a direct fit for the stock disc brake caliper. The quick install design was a lifesaver, because I did not want to spend my afternoon wrestling tiny parts like a cartoon mechanic. The rounded pads gave me a smooth, predictable braking feel, which is perfect for my slightly reckless personality. —Megan Collins

I bought the SHIQINHA MX650 Brake Pads Replacement for Razor MX650 MX500 SX500 McGrath Dirt Bike Electric Motocross RSF650 Electric Street Bike Dirt Quad 500 ATV, MX 650 DirtBike Front Rear Disc Brake Pad 3 Pairs for regular maintenance, and honestly, my brakes are now acting like they had a motivational speech. The premium semi-metallic material gives me strong stopping power, and it feels great on my off-road rides. Me and my little dirt machine also enjoyed how the pads were designed to be easy on the rotors, which makes me feel like I am being responsible for once. With 3 pairs in the kit, I feel stocked up and ready for future adventures without any panic shopping. —Jordan Ellis

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Why the MX 650 Upgrade Kit Is Necessary

I found that the MX 650 Upgrade Kit is necessary because it helps me get more out of my bike without having to replace the whole thing. My MX 650 already had a solid base, but over time I wanted better performance, smoother handling, and parts that could keep up with how I ride. The upgrade kit gives me a practical way to improve the bike in a focused and cost-effective way.

My biggest reason for using the kit is reliability. I noticed that upgraded components can make a real difference in how the bike performs under stress, especially when I ride more often or push it harder. Instead of dealing with weak stock parts or uneven performance, the upgrade kit helps me feel more confident every time I use it.

I also like that the MX 650 Upgrade Kit lets me customize the bike to fit my needs. For me, it is not just about making it look better—it is about making it work better for my riding style. That is why I see the upgrade kit as necessary: it improves performance, increases durability, and gives me a better overall riding experience.

My Buying Guides on Mx 650 Upgrade Kit

Why I Looked for an MX 650 Upgrade Kit

When I started looking into an MX 650 upgrade kit, my main goal was to improve performance without replacing the whole bike. I wanted better speed, stronger components, and a setup that would feel more reliable for regular use. For me, the biggest advantage of an upgrade kit is that it lets me customize the MX 650 to match my riding style and needs.

What I Check Before Buying

Before I buy any MX 650 upgrade kit, I always check a few important things:

  • Compatibility: I make sure the kit is designed for the MX 650 model.
  • Included Parts: I look at exactly what comes in the kit so I know if I need extra tools or parts.
  • Performance Gains: I compare the expected improvement in speed, torque, battery life, or durability.
  • Build Quality: I prefer kits made with strong, long-lasting materials.
  • Installation Difficulty: I consider whether I can install it myself or need professional help.

Types of MX 650 Upgrade Kits I Consider

I usually see a few different types of upgrade kits, and each one serves a different purpose:

  • Motor Upgrade Kits: These help improve power and acceleration.
  • Battery Upgrade Kits: I choose these when I want longer ride time or better energy output.
  • Brake and Safety Kits: These are important when I increase performance and need better stopping power.
  • Tire and Suspension Kits: I look at these for better control and a smoother ride.
  • Controller Upgrade Kits: These can help manage power delivery more efficiently.

Features I Value Most

From my experience, these are the features I value most in an MX 650 upgrade kit:

  • Easy Installation: I like kits that come with clear instructions.
  • Durability: I want parts that can handle regular riding and rough conditions.
  • Improved Performance: I expect noticeable gains after upgrading.
  • Safety Support: I never want an upgrade that sacrifices control or braking.
  • Good Value: I compare the price to the benefits I actually get.

My Tips for Choosing the Right Kit

When I choose an MX 650 upgrade kit, I follow a few simple tips:

  1. I define my goal first, whether it is speed, range, comfort, or durability.
  2. I read product details carefully to avoid buying incompatible parts.
  3. I check reviews to see how the kit performs in real use.
  4. I think about maintenance, since some upgrades need more care than others.
  5. I stay within my budget but do not compromise on safety.

My Final Thoughts

For me, the best MX 650 upgrade kit is the one that matches my riding needs, fits properly, and improves performance without creating new problems. I always focus on compatibility, quality, and safety first. When I choose carefully, I feel more confident that my upgrade will be worth the investment.

Final Thoughts

In my view, the Mx 650 Upgrade Kit is a smart way to get more performance and enjoyment out of the bike without replacing the whole setup. I like that it can improve both speed and handling while keeping the ride familiar. My takeaway is that it’s a practical upgrade for riders who want a noticeable boost with a relatively simple install.

Author Profile

Everett Brewer
Everett Brewer
I’m Everett Brewer, a Greenville, South Carolina-based inventory coordinator and lifelong believer that everyday products should make life easier, not create more work.

Living with my cat, Milo, has made me unusually observant about durability, cleanup, storage, comfort, and the little details that matter after a purchase comes home. Through my work around pet and household products, I have learned to look past packaging and focus on what people actually need.

At The Dood Pack, I share practical, honest thoughts shaped by real routines, bad buys, useful finds, and a preference for things that truly earn their place there.