LEGAL AGE for 50cc Dirt Bikes: What You MUST Know!

Caption: A young rider on a green 50cc dirt bike—ideal for beginners aged 5-7.

Updated: 19.3.25

What’s the legal age to ride a 50cc dirt bike?

The answer depends on where you are. Age requirements vary widely by country.

What Age Is A 50cc Dirt Bike For?

Check out the chart below for more comprehensive suggestions and Age for Each Type of Dirt Bike.

United Kingdom

In the UK, you must be 16 to ride a 50cc dirt bike on public roads.

A driving license is required. Learn more about UK restrictions.

United States

In the US, kids as young as 3 can ride small dirt bikes on private land. See private property rules.

For 250cc dirt bikes, 16 is the recommended starting age. More on age guidelines.

Related: Understanding Motorcycle CC: What Does CC Mean

Understanding Licenses and Categories

Licenses involve more than age.

Tests and permits are required to ride legally.

Here’s the breakdown.

Licenses and Categories in the UK

AM License

To ride a moped (25-45 km/h), you need an AM license.

Requirements include compulsory basic training (CBT) (about 6-8 hours), a theory test (£23 fee), and a practical test (£15.50 for Module 1, £75 for Module 2). Minimum age: 16.

A2 License

If you're eyeing a standard motorcycle with up to 35 kW of power, you'll need an A2 license.

Here, the minimum age jumps up to 19 years.

A License

Feeling like a pro? An unrestricted motorcycle will require an A license, and for this one, you've got to be at least 24 years old.

Related: What Motorbike Can I Ride On A Car Licence?

Licenses and Categories in the US

Learner's Permit

In most states, teens aged 15 or 16 can get a learner’s permit for motorcycles, including 50cc dirt bikes. Learn more.

A written test is required.

Motorcycle Endorsement

For riders 18+, a motorcycle endorsement on a driver’s license is required in most states.

This typically involves a safety course (e.g., $150-$300 for a 15-hour Motorcycle Safety Foundation course) and a skills test (fees vary, e.g., $10 in Texas, $25 in Florida).

Related: Kids Petrol Ride On Motorbikes

Riding on Private Land vs Public Roads

Prefer avoiding public roads?

Private land, tracks, or large gardens offer options.

United Kingdom

In the UK, you can ride on private land under 16 with the landowner’s permission.

United States

In the US, private land has lenient age rules. Follow state or local regulations, including safety gear and noise limits.

Related: Is It Worth Buying A Kids Motorbike?

Safety Recommendations

Safety is essential when riding dirt bikes.

A helmet can save your life—don’t skip it.

United Kingdom and United States

In the UK and US, laws often mandate specific safety gear.

Even if not required, wear certified helmets, knee pads, elbow pads, and goggles for protection.

Legal Penalties for Non-Compliance

Riding without following the rules has consequences.

United Kingdom

In the UK, riding without proper training or age compliance can lead to fines up to £1,000, 3-6 penalty points on your license, or, in rare cases, up to 6 months in jail for repeat offenders.

Your dirt bike may also be seized if caught on public roads without a license or registration.

United States

In the US, operating a dirt bike without meeting age or licensing requirements can result in fines ranging from $100 to $500, depending on the state, and may require a court appearance.

For example, in California, riding an unregistered dirt bike on public land can cost $250 plus towing fees, while insurance premiums could rise by 20-30% after a violation.

Supervision Requirements

Parents and guardians, here’s what’s needed for kids riding off-road.

United Kingdom

In the UK, riders under 16 on private land must be supervised by an adult within close proximity, not from a distance like a window.

For example, the Auto-Cycle Union (ACU) requires supervisors at youth motocross events to be within 50 meters of riders under 12.

United States

In the US, supervision rules vary by state, but kids shouldn’t ride unsupervised.

In Ohio, for instance, riders under 16 need an adult within 100 feet on public trails, while Texas requires visual contact on private land.

Essential Pre-Ride Checks

Before riding a 50cc dirt bike, complete these safety checks.

United Kingdom and United States

1. Brake Check: Confirm front and rear brakes work properly.

2. Light Check: Verify lights function for evening rides.

3. Tire and Height Check: Check tire pressure and bike height for control.

4. Engine Check: Inspect oil levels to meet capacity standards.

5. Identification: Carry ID, especially in the US.

Gear Selection

When you choose dirt bike gear, keep in mind the essentials: helmets, gloves, boots, and protective pads.

Your attire and clothing should offer maximum protection and care, not just look cool.

Electric Dirt Bikes

Ever considered an electric dirt bike? Not only are they quieter, but they also offer a greener alternative.

These battery-powered motorbikes are a solid choice if you're concerned about emissions.

While they might not give the same rumble as traditional dirt bikes, electric-powered dirt bikes provide a good entry point, especially for juveniles and minors who are just starting their off-road training and education.

Motocross and Youth Dirt Biking Events

Interested in taking it to the next level? Motocross events are a great way for enthusiasts to test their skills and meet other riders.

These events are not just for adults; children's motocross categories allow youth off-road bike riders to get a feel for the competition.

Security and Protection at Events

Safety is a top priority at these events, both for adults and children.

The organisers ensure that security and protection measures are in place to make the event safe and enjoyable for everyone.

From helmet checks to designated safe zones, your well-being is taken care of.

Things to Consider Before Choosing a Dirt Bike for Your Kid

Choosing the right dirt bike for your young child can be a daunting task.

From the type of engine to necessary safety gear, there's a lot to think about to ensure your child has the best and safest riding experience.

Here are some essential things to keep in mind before making that crucial purchase:

1. Size

Why it matters: Ensuring that the dirt bike is the right size for your child is crucial for their comfort and safe riding experience.

What to look for: The seat height should be suitable for your child's height and weight.

This aspect becomes especially important as kids reach an age where their height and age maturity can vary widely.

A bike that is too big or too small will make the experience uncomfortable for the young rider.

Related: What Size Kid's Motorbike Should I Buy?

2. Engine Size

Why it matters: The engine size directly affects the dirt bike's speed, making it a critical factor based on your child's riding experience.

What to look for: For beginners, especially children under 6, a smaller engine like a 50cc dirt bike is often recommended.

If your child is new to riding dirt bikes, it's best to start them off safely with an electric dirt bike or a petrol dirt bike with a 50cc or 70cc engine.

As they gain more dirt bike experience, they can move up to a larger engine, such as a 90cc or 110cc.

Note: The choice between an electric dirt bike and a petrol dirt bike could also depend on your child's prior experience and your comfort level as a parent.

3. Tyres

Why it matters: The size and type of tyres can influence how the dirt bike handles, which is essential for younger children who are starting to learn how to ride.

What to look for: Smaller tyres are usually recommended for kids' dirt bikes.

Training wheels could be an option to train young kids and help them gain the confidence they need for riding.

Related: FLAT TYRE? Fix Your Dirt Bike Tube in Minutes

4. Budget

Why it matters: Dirt bikes can be a significant investment, and the cost doesn't stop at just the bike; there's also maintenance and safety gear to consider.

What to look for: While it may be tempting to use a cheaper option, it's crucial to invest in a quality kids' dirt bike.

A reliable and safe dirt bike is a worthy investment for long-term use.

5. Safety Gear

Why it matters: No matter the top speeds a dirt bike can reach, safety should always be the first priority when your child is riding.

What to look for: Make sure your child is equipped with the proper safety gear.

This includes a well-fitting helmet, durable gloves, protective boots, and other protective clothing.

The use of appropriate safety gear can never be overstated, especially if your child is new to riding dirt bikes.

By carefully considering these factors and your child's age and level of experience, you can choose the perfect dirt bike for your young rider and ensure they ride safely and have a fun experience.

6. Seat Height

Check out the chart below for height and seat height recommendations based on age.

Conclusion

Riding a 50cc dirt bike legally hinges on age, licenses, and safety—whether in the UK or US.

For kids or adults, compliance ensures a fun, safe ride. Ready to gear up? Visit RiiRoo.com for expert advice and the best dirt bike options!

FAQs

Are there any additional permits needed for minors to ride 50cc dirt bikes?

No, aside from age and license requirements in the UK and US, no special permits are needed for minors. Parental consent and supervision are strongly advised.

Can a 16-year-old legally modify a 50cc dirt bike’s engine in the UK?

Modifying a 50cc dirt bike’s engine isn’t advised in the UK. Changes can violate laws, risking fines up to £1,000 or confiscation.

What safety gear is legally mandated for riding a 50cc dirt bike?

In the UK, a helmet meeting British Standard BS 6658:1985 is required on public roads. In the US, all 50 states mandate helmets for riders under 18; 19 states extend this to all ages. Gloves, boots, and pads are recommended but not required.

Can you ride a 50cc dirt bike on public footpaths and bridleways in the UK?

No, 50cc dirt bikes are banned on UK public footpaths and bridleways, reserved for pedestrians and non-motorized use. Ride legally on roads or private land with permission, meeting license and age rules.

What’s the difference between electric and petrol 50cc dirt bikes?

Electric 50cc dirt bikes run on batteries, offering quiet operation, zero emissions, and lower maintenance—ideal for beginners and eco-conscious riders. Petrol 50cc dirt bikes use gas engines, providing more power and longer range but with noise, emissions, and higher upkeep. Electric bikes suit kids learning in backyards; petrol excels for off-road trails.

How much does a 50cc dirt bike cost for kids?

Kids’ 50cc dirt bikes typically cost $500-$1,500. Electric models start around $500-$800 (e.g., Razor MX650), while petrol versions range from $600-$1,500 (e.g., Yamaha PW50). Prices vary by brand, condition (new/used), and features like training wheels. Safety gear adds $100-$300.

Can adults ride a 50cc dirt bike legally?

Yes, adults can ride 50cc dirt bikes legally in the UK and US, provided they meet licensing requirements. In the UK, an AM license (age 16+) is needed for public roads. In the US, a motorcycle endorsement (age 18+) is required in most states. On private land, no license is needed, but the bike’s small size may be impractical for larger adults.