What the Razor Dirt Rocket MX350 is and who it's built for
The Razor Dirt Rocket MX350 is a battery-powered dirt bike designed for riders aged 13 and up, with a weight limit of 220 pounds. It has a 24-volt electric motor that produces enough power for off-road riding on unpaved terrain, and a rechargeable lithium-ion battery that runs for roughly 40 to 60 minutes per charge depending on riding conditions and rider weight.
This is a recreational vehicle, not street-legal transportation. You cannot ride it on public roads, sidewalks, or anywhere a motor vehicle license is required. It's built for private property, dirt trails, and designated off-road parks where electric bikes are permitted.
The MX350 sits in the middle of Razor's electric dirt bike lineup. It's more powerful than the smaller MX125 but less expensive and less capable than the MX500, which has a larger battery and longer runtime.
Key Takeaways
- The MX350 is not street-legal and cannot be ridden on public roads, sidewalks, or anywhere requiring a motor vehicle license.
- Battery runtime is 40 to 60 minutes per full charge, and recharge time is typically 12 hours using the standard charger.
- The 24-volt motor reaches speeds up to 24 miles per hour, making it suitable for riders 13 and older who weigh up to 220 pounds.
- You will need to charge the battery regularly and replace it eventually; Razor sells replacement batteries separately, and lifespan depends on how often you ride and how you store the bike.
- Insurance and registration are not required for off-road use on private property, but local laws vary if you ride in public parks or designated trails.
Motor power, speed, and what the numbers mean
The MX350 has a 24-volt electric motor rated at 350 watts. That wattage is the measure of electrical power the motor draws, not the speed it produces. Top speed is approximately 24 miles per hour on flat, hard-packed ground with a lighter rider.
Speed varies based on rider weight, terrain, and battery charge level. A heavier rider or softer ground will reduce top speed. A battery that is not fully charged will also reduce performance. The motor has enough torque for climbing small hills and riding through loose dirt, but it is not designed for steep terrain or extreme off-road conditions.
Acceleration is quick compared to pedal-powered bikes, but the MX350 is not a high-performance machine. It is meant for recreational riding, not racing or stunt work.
Battery life, charging time, and replacement costs
The MX350 uses a 24-volt rechargeable lithium-ion battery. A full charge from empty takes approximately 12 hours using the standard wall charger that comes with the bike. Runtime per charge is 40 to 60 minutes of continuous riding, though this drops if you ride at top speed constantly or if the rider is heavier.
Lithium-ion batteries degrade over time. After 300 to 500 full charge cycles—roughly one to two years of regular use—you will notice the runtime shrinking. Eventually the battery will no longer hold a useful charge and will need replacement. Razor sells replacement batteries separately; the cost varies but is typically in the $100 to $150 range depending on where you buy.
To extend battery life, avoid leaving the bike uncharged for long periods, do not store it in extreme heat or cold, and do not fully drain the battery every single time you ride. Charging it when it still has 20 to 30 percent capacity remaining is gentler on the cells than running it completely empty.
Weight, size, and whether it fits your rider
The MX350 weighs approximately 55 pounds, making it light enough for a teenager to handle but heavy enough to feel substantial. The seat height is roughly 24 inches, which works for riders 13 and older. Younger or shorter riders may struggle to reach the ground with both feet, which affects balance and safety.
The maximum rider weight is 220 pounds. Exceeding this limit reduces motor performance, shortens battery runtime, and can damage the frame or suspension components. If you are near or above 220 pounds, the MX500 or a larger electric dirt bike may be a better choice.
The bike is narrow and compact, so it fits in a garage, shed, or truck bed without taking up much space. Handlebars and seat are not adjustable, so the fit is fixed once you buy it.
Maintenance, repairs, and what breaks most often
Electric dirt bikes require less maintenance than gas-powered ones because there is no engine oil, spark plugs, or fuel system to service. The main maintenance tasks are keeping the battery charged, checking tire pressure, and inspecting the frame and handlebars for cracks or loose bolts.
Tires are solid rubber, not air-filled, so you do not need to patch flats. However, solid tires wear down over time and eventually need replacement. Brake pads also wear and can be replaced, though Razor does not sell them as a standalone part—you typically have to buy a brake assembly.
The most common failure points are the battery (which degrades with age), the motor controller (which can fail if exposed to water or impact), and the frame welds (which can crack if the bike is jumped or ridden roughly). Repairs beyond tire or brake replacement usually require sending the bike to Razor or a may have access to technician, as the electronics are not user-serviceable.
Where you can legally ride and local regulations
The MX350 is not street-legal. You cannot ride it on public roads, sidewalks, bike paths, or anywhere a motor vehicle license is required. Doing so can result in a fine or confiscation of the bike.
You can ride on private property with the owner's permission—your own yard, a friend's land, or a private dirt bike park. Some public parks and designated off-road trails allow electric bikes, but rules vary by location. Before riding in a public space, check with the park or trail manager to confirm that electric dirt bikes are permitted and whether there are age, noise, or speed restrictions.
A few states and cities have begun regulating electric bikes and scooters more strictly, so local law may change. If you plan to ride regularly in public spaces, contact your city or county parks department to understand the current rules.
Price, where to buy, and warranty coverage
The Razor Dirt Rocket MX350 typically costs between $300 and $400 depending on the retailer and whether there are sales or discounts running. You can buy it from major retailers like Amazon, Walmart, Target, and Best Buy, as well as from Razor's official website.
Razor includes a one-year limited warranty that covers defects in materials and workmanship. The warranty does not cover damage from crashes, water exposure, or normal wear and tear. If the motor or battery fails within the warranty period and the failure is not due to misuse, Razor will repair or replace it at no cost.
Shipping costs vary by retailer. If you order online, the bike usually arrives partially assembled, and you will need to attach the handlebars, seat, and pedals yourself using basic tools. Assembly takes 30 to 60 minutes.
How the MX350 compares to other electric dirt bikes in its class
Razor makes three main electric dirt bikes: the MX125 (125 watts, slower, for younger riders), the MX350 (350 watts, mid-range), and the MX500 (500 watts, faster, longer runtime). The MX350 is the middle option—more powerful and faster than the MX125 but less expensive than the MX500.
Other brands like Minimotors, Kuberg, and Sur-Ron make electric dirt bikes in similar price ranges, though many are heavier, more expensive, or designed for older riders. If you are shopping for a first electric dirt bike for a teenager, the MX350 is one of the most affordable and widely available options.
Gas-powered dirt bikes in the same price range are lighter and have longer runtime, but they require fuel, produce emissions, are louder, and need more maintenance. Electric bikes are quieter, cleaner, and simpler to operate, which is why they are popular for residential areas and parks with noise restrictions.
Frequently Asked Questions
Can I ride the MX350 on a public trail or in a state park?
It depends on the specific trail or park. Some allow electric bikes, others do not. Contact the park or trail manager before riding. Many public lands prohibit motorized vehicles entirely, even electric ones, so you cannot assume it is permitted.
How long does the battery last before I have to replace it?
Lithium-ion batteries typically last 300 to 500 full charge cycles, which is roughly one to two years of regular riding. After that, runtime will shrink noticeably. Replacement batteries cost $100 to $150.
What happens if the bike gets wet?
The MX350 is not waterproof. Riding through puddles or in rain can damage the motor controller and battery. If the bike gets soaked, dry it completely before charging or riding. Water damage is not covered by warranty.
Is the MX350 safe for a 12-year-old?
Razor recommends it for ages 13 and up. A 12-year-old may be able to ride it safely if they are tall enough to reach the ground with both feet and have experience with motorized vehicles. Helmet and protective gear are essential regardless of age.
Can I upgrade the battery or motor to make it faster?
The MX350 is not designed for user upgrades. Swapping in a larger battery or motor can damage the frame, controller, or brakes and will void the warranty. If you need more power, the MX500 is the next step up in Razor's lineup.