Fastest Street Legal Dirt Bike

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Dirt bikes have been popular for decades, but what makes a dirt bike street legal? The answer may surprise you: it depends on your state. However, if you’re looking for the fastest dirt bike to hit the open roads legally and safely, we want to introduce you to our latest pick—the CRF450RX Super Moto.

A man riding a fastest dirt bike

With its performance-sport engine architecture and upgraded four-stroke power plant design, this machine has all the vital specs needed to make any ride exhilarating. Please keep reading to learn why this is one of the top-speed contenders for street-legal fastest dirt bikes.

What is Fastest Street Legal Dirt Bike?

The CRF450RX Super Moto is a top-of-the-line dirt bike with an impressive punch and all the specs necessary for legal street riding. This machine includes a powerful 449cc liquid-cooled, fuel-injected, single-cylinder engine with double overhead camshafts to provide excellent torque and power.

The five-speed transmission provides smooth shifting between gears, while the electric starter allows fast and easy engine ignition. Its high-performance suspension enables stable handling while giving it increased stability when taking turns or navigating uneven terrain.

This dirt bike has enough power to take on some of the toughest roads and has several upgraded features that make it ideal for hitting the streets.

How Fast Can You Go on a Street Legal Dirt Bike?

Regarding legality, certain safety precautions must be taken when riding a street bike. Generally, most states require all motorcycles to adhere to certain speed limits — typically between 45-65 mph. With the CRF450RX Super Moto, dirt bike riders can expect to reach up to 70 mph in optimal conditions.

Age Limit for Kids Dirt Biking

Age limits for kids dirt biking vary from state to state and are generally set by each state’s Department of Motor Vehicles. In most cases, states require that all children ages 12 and under have a valid motorcycle license or permit to ride a dirt bike on public roads. Some states also specify that youth riders must be at least 16 years old to ride a dirt bike on public roads.

It’s also important to remember that laws and regulations regarding kids’ dirt biking are constantly changing, so staying current with new rules or restrictions is important. Many states have begun enacting more stringent regulations regarding kids’ dirt biking to ensure the safety of all riders.

Size and Skill Level Categories for Kids’ Dirt Biking

Regarding kids’ dirt biking, size, and skill level are two important factors. The fastest street-legal dirt bikes come in various sizes, from mini-bikes designed for younger children to full-sized machines suitable for more experienced riders.

Many manufacturers also offer a range of models with different levels of power and performance, so choosing the right one for your child’s experience level is important. Safety is always a top priority for kids’ dirt biking, so invest in the proper safety gear, such as helmets, gloves, and riding boots.

Factory Street Legal Dirt Bikes

One of the biggest advantages of getting a factory street-legal dirt bike is that it has all the necessary components to ensure you’re safe on the roads. The CRF450RX Super Moto comes with turn signals, mirrors, and a DOT-approved lighting system—allowing you to ride safely in any state.

The ktm 450 sx f is an impressive off-road machine with a powerful 449 cc single cylinder engineThis bike also features an improved exhaust system for quieter operation, helping to ensure you can get around without disturbing your neighbors.

These Are the 6 Best Factory Street Legal Dirt Bikes.

Yamaha WR250F

Street legal dirt bike Yamaha WR250F

The Yamaha WR250F is a great all-around bike with plenty of power and performance for street and off-road riding. It has a liquid-cooled, four-valve engine with fuel injection, a five-speed transmission, an electric starter, and adjustable suspension settings.

Honda CRF450RX Super Moto

Street legal dirt bike Honda CRF450RX supermoto

The Honda CRF450RX Super Moto is a powerful dirt bike with features like a performance-sport engine architecture, upgraded four-stroke power plant design, and high-performance suspension. It also comes with turn signals, mirrors, and a DOT-approved lighting system—making it perfect for hitting the open roads legally and safely.

Husqvarna FE501S

The Husqvarna FE501S is a powerful dirt bike with high-performance features like its single overhead cam, four-valve engine with fuel injection, and electric start. It also has adjustable suspension settings and advanced ergonomics for comfortable riding positions.

Suzuki DRZ400S

The Suzuki DRZ400S is a great all-purpose dirt bike category, perfect for both on and off-road riding. Its four-stroke engine produces excellent power and torque with its five-speed transmission and electric start features. Plus, it comes standard with advanced ergonomics for comfortable rides.

Aprilia SXV 450:

The Aprilia SXV 450 is great for experienced riders and those seeking a high-performance ride. It has an improved engine design, larger fuel tank capacity, and adjustable suspension settings to ensure maximum control over your machine.

KTM 690 Enduro R:

The KTM 690 Enduro R is a powerful dirt bike with advanced features like its high-performance single-cylinder engine and six-speed transmission. It also has adjustable suspension settings, a digital fuel injection system, and improved ergonomics for comfortable riding positions.

Kawasaki KLR 650:

The Kawasaki KLR 650 is a great, rugged, reliable dirt bike choice. Its four-stroke engine produces strong power and torque, while its electric start feature makes it easy to get up and run. Plus, it comes with adjustable suspension settings and improved ergonomics for comfortable rides.

If you’re looking for the fastest street-legal dirt bike in the world, then any of these machines can offer you an exhilarating ride. With their powerful engines, upgraded features, and durable construction, these dual sport bikes will surely give you a thrilling experience no matter where your adventures take you! So get out there and start exploring with your new ride.

Benefits of Owning a Fastest Street Legal Dirt Bike

 Owning the fastest street-legal dirt bike can bring several benefits, from convenience to safety. Here are six reasons you should consider getting the CRF 450 RX Super Moto or any of the other factory street-legal bikes:

1. Fast & Powerful: With their powerful engines and adjustable suspension settings, these dirt bikes will let you fly down the roads without worry.

2. Quiet Operation: These bikes’ improved exhaust system ensures you can ride around without disturbing your neighbors.

3. Safety: DOT-approved lighting systems and turn signals let you cruise safely even in low light conditions.

4. Versatility: These dirt bikes are perfect for on- and off-road riding so you can take them anywhere.

5. Comfort: With improved ergonomics and adjustable suspension, these bikes will keep you comfortable even after long rides.

6. Style: Fast street legal dirt bikes come in various colors and styles, so you can find one that fits your taste.

7. Easy Maintenance: Fastest street-legal dirt bikes are designed to be easy to maintain, so you can keep them running in top condition with minimal effort.

8. Low Cost: Unlike other bikes, these dirt bikes are incredibly affordable and will last for years with proper care.

9. Eco-friendly: This type of bike emits fewer pollutants than its traditional counterparts, so you can ride guilt-free.

Risks of Fastest Street Legal Dirt Bike

Before you take the plunge and invest in the fastest street-legal dirt bike, it’s important to understand some of the risks associated with this type of motorcycle. Here are five potential risks that should be considered before investing in one:

1. Noise Pollution: Fastest street-legal dirt bikes can generate loud noises that disturb the peace of neighborhoods and public spaces.

2. Safety: Fastest street-legal dirt bikes are powerful machines requiring a certain skill level to operate safely. Be sure to take all necessary safety precautions, such as wearing protective gear and avoiding distractions while riding.

3. Cost: Fastest street-legal dirt bikes come with a hefty price tag, so be sure to budget accordingly if you’re considering investing in one.

4. Maintenance: Fastest street-legal dirt bikes require regular maintenance and upkeep to keep them running smoothly. Be prepared to invest time and money into maintaining your bike.

5. Legal Requirements: Different states have laws and regulations regarding street-legal dirt bikes. Be sure to research the laws in your area before operating one.

6. Insurance: It’s important to carry motorcycle insurance when operating a street-legal dirt bike. Ensure you understand your policy and any exclusions or coverage limits that may apply.

7. Weather Conditions: Due to their lightweight construction, the fastest street-legal dirt bikes are more vulnerable to inclement weather conditions such as rain and mud. Be mindful of the conditions before riding, and always take extra care when operating your bike in wet weather.

8. Traffic: Fastest street-legal dirt bikes are not designed for high-traffic areas, as they may not have enough power to safely maneuver through congested streets or highways. If you do plan on taking your bike into a heavily trafficked area, be sure to take extra caution and obey all traffic laws.

By understanding the risks associated with owning the fastest street-legal dirt bike, you can make an informed decision and stay safe while enjoying your ride. Be sure to research the laws in your area and invest time into maintaining your bike for optimal performance.


The fastest street-legal dirt bike is an exciting and beneficial choice for speed enthusiasts who don’t want to miss out on the thrill of driving around. Its incredible power, combined with strong but lightweight construction and technology, make it a powerful option that will take care of you wherever you go. If you need a break from riding around, its cooling feature will help keep your engine running optimally.


How can I make my dirt bike street legal?

The process for making a dirt bike street legal varies from state to state. Generally, you’ll need to register your bike with the necessary safety features, such as DOT-approved lights and turn signals, and register it with the DMV.

Can a dirt bike go 100 mph?

Yes, some dirt bikes can reach speeds of up to 100 mph. However, it’s important to note that these speeds should only be achieved on private tracks, not public roads or highways.

Is a 250cc dirt bike too big?

No, a 250cc dirt bike is not too big for most riders. If you’re starting or looking for something with more power than a smaller engine size can offer, then a 250cc dirt bike may be the perfect fit.

Do dirt bikes need a clutch?

Yes, dirt bikes typically use a manual clutch system to shift gears. Clutches are essential for providing smooth and safe gear changes while riding.

Are street-legal dirt bikes worth it?

Street-legal dirt bikes can be a great investment if you’re looking for an exhilarating ride that can handle off-road and on-road conditions. However, it’s important to consider the risks associated with these machines before investing in one.

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Ashley Addams