Razor MX650 Dirt Rocket Electric Motocross Bike

Razor MX650 Dirt Rocket Electric Motocross Bike

Razor MX650 Dirt Rocket Electric Motocross Bike

Pint-Sized Review
4.5 out of 5 stars The Razor MX650 is a quick and compact firecracker of a bike. Their best MX-series motorcycle delivers fast and fun times around the neighborhood or on the track in a miniature package. Most notable objection is its short runtime of 40 minutes and hefty price tag. Still, a surprisingly powerful ride-on toy that is guaranteed to elicit a collective “Whoa!” from the crowd.

The Good The Bad
  • Clocked at 17+ mph
  • Real-life hardware and accessories
  • 40 minute runtime
  • High-priced
  • Clocked at 17+ mph
  • Real-life hardware and accessories
  • 40 minute runtime
  • High-priced

Lightning in a Bottle


Don’t let its size fool you. Even with its compact build, Razor has managed to fit some serious power into this motocross wannabe. The MX650 is their best-equipped model as far as the MX series goes.

This little beast comes with a powerful brush-type 650-watt motor, meaning you’ll have that extra torque when it’s most necessary: climbing hills and traversing through grass. On straight-a-ways, the bike is rated to get up to speeds of 17 mph, however, riders report hitting just over 20 mph in some instances. It should be noted that this depends on the size of the rider, the freshness of the charge, and the ground you’re riding on.

Safety Measures

With a name like Dirt Rocket, the implication is that this “toy” has a need for speed. While that is most certainly true, Razor has taken some measures to ensure a greater level of safety compared to most ride-on toys.


The first line of defense should always be a helmet. While the bike doesn’t come packaged with a helmet, riders of any size and experience level should be wearing one. The ideal option would be a motocross-style helmet with DOT standard certifications. In a pinch, a standard bike helmet would suffice.

As for the bike itself, Razor has implemented hand-operated front and rear disc brakes for safe and secure stopping. Couple that with dual suspension resting on pneumatic knobby tires and you have some serious stopping power.

Have caution: on smooth surfaces–primarily cement and gravel–a rider can come to a skidding stop if the brakes are managed improperly. Not only is this very unsafe for the rider, it also has the potential to damage the rear tire and its assembly.

The materials of the bike, namely the mud guards, are made of shatter-resistant plastic. This is important for new riders with little-to-no experience and dare devils who enjoy pushing the envelope. The rest of the bike is constructed of steel so your main concern will be with the plastic parts.

Cheaper plastics have a tendency to crack and snap off even with slight bending. Damage to this degree may not just affect the appearance and performance of the ride-on toy, but more importantly, expose sharp and pointy pieces of plastic that could injure a rider later on.

Real World Parts

Accomplished riders and parents alike should be excited to know that Razor has included some high-quality hardware on these machines. Feet rest on foldable metal foot pegs for rugged and secure rides.

The seat is padded and wrapped in imitation leather with adjustable handlebar risers. The throttle is controlled by a standard twist grip for maximum ride control.

Size Factor


One recurring realization that parents have with this little hog is its size. For such a powerful little machine and the price you pay, riders are expecting a bike comparable to a 65cc dirt bike. When, in actuality, it’s more like a 50cc pit bike.

And with an age requirement of at least 16 years old and a 220 pound weight limit, I would expect a larger bike, too. Nevertheless, it’s a rather small machine with a seat height about 23 inches from the ground.

Parents should absolutely exercise caution, but this bike should be fine for kids at the age of 10. Proportionally, it seems a better fit for them anyway. Only you know your child’s maturity and skill level. Even if it may be the perfect fit, only introduce them to ride-on toys of this caliber if they can absolutely handle it.

A Note on Charging

The bike comes packaged with all the necessary tools for assembly. It arrives in 3 main parts, each of which are relatively easy to assemble together. In all, the process should take no more than an hour.

Make sure that the first charge is at least 18 hours long. This isn’t just to test your patience. Rather, it’s there to ensure that the battery has received a fully primed charge and can then go through its first discharge cycle. Charges after that point can then be performed for 12 hours.

This leads me to my main gripe with the Razor MX650. Actually, with all of the MX bikes for that matter. With the time required to charge up its three 12v batteries, you’d expect the charge to last at least a couple hours.

Well, much to every rider’s chagrin, the bike is rated to last, at most, 40 minutes (or 10 miles). If you’re a lighter rider, you can push that a few minutes longer but average riders won’t even get a full hour of ride time.

What can be said about this unfortunate reality? Make every minute on the Dirt Rocket worth it.

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