How fast does a 50cc dirt bike go?

This 50cc dirt bike reaches approximately ~20-22 mph at full throttle. It includes an adjustable throttle governor so parents can limit the top speed for beginners.

What age is a 50cc dirt bike for?

This bike is designed for kids ages 6-12, with a maximum rider weight of 100-130 lbs depending on the model. The rider should be able to touch the ground with both feet.

What fuel does this dirt bike use?

This 2-stroke engine runs on premix gasoline and 2-stroke oil at a 50:1 ratio. Use regular unleaded gas mixed with quality 2-stroke oil.

How do you start this dirt bike?

It uses a pull-start mechanism. Pull the starter cord firmly to start the engine. A kill switch on the handlebars shuts it off instantly.

Does this dirt bike have a speed governor?

Yes. The throttle governor is adjustable so parents can limit the maximum speed. Start restricted and gradually open it up as your child gains confidence.

How long can my kid ride on one tank of gas?

A full tank provides 1-2 hours of riding depending on throttle use and terrain. Refuel with premix and keep riding — no charging wait time.

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MotoTec Big Supermoto 50cc 2-Stroke Kids Gas Dirt Bike

$339.00 ~~$440.97~~

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MotoTec Big Supermoto 50cc 2-Stroke Kids Gas Dirt Bike

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30-Day Warranty

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Arrives 85%–90% Pre-Assembled — Ready to Ride in 20–30 Mins

Factory-tested, professionally crated, and simple to finish at home with basic tools.

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1. Arrives 85%–90% Pre-Assembled Factory-tested and securely crated. Powertrain, frame, rear wheel, brakes, and wiring are already installed.

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2. Simple 20–30 Min Final Setup Just attach the handlebars, front wheel, and number plate/pedals, check tire pressure, and top off the battery charge.

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3. Everything Included in the Box Includes factory charger (electric models), basic assembly tool kit, owner's manual, and free U.S. tech support via text/call at (978) 219-9647.

Engine: 50cc 2-Stroke • Fuel Capacity: 1 Liter • Top Speed: 25 MPH • Range: 10+ Miles • Max Rider: 150 lbs • Seat Height: 21 inches • Brakes: Rear Disc

Introducing the MotoTec Big Supermoto 50cc Kids Gas Dirt Bike, now upgraded with larger 13-inch knobby tires for improved off-road handling. Powered by a reliable 50cc 2-stroke engine, this mini bike delivers responsive acceleration and almost double the torque of equivalent 4-stroke models, making it the perfect starter bike for young riders looking for big bike thrills.

Built solid to handle beginner terrain, the Big Supermoto features a sturdy steel frame designed to bear your child's weight as they grow, dependable rear disc brakes, and an easy pull-start system. Simple to ride with its fully automatic transmission—just twist the throttle and let the motocross adventures begin!

💳 Pay in 4 interest-free installments with Shop Pay. No credit check required. Select Shop Pay at checkout.

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Frequently Asked Questions about MotoTec Big Supermoto 50cc 2-Stroke Kids Gas Dirt Bike

Who is this vehicle recommended for, and what is the top speed?

This model is engineered for 10-16 years and reaches a top speed of approximately 30 mph, depending on rider weight and terrain. Built-in speed selector switches allow supervised control for newer riders.

How does shipping work, and does it arrive fully assembled?

Dirt Moto Bikes provides free insured U.S. freight shipping. Vehicles ship factory-direct in a protective steel/cardboard crate and arrive approximately 85% to 90% pre-assembled. Final assembly typically involves attaching the handlebars, front wheel, and performing a routine bolt check. Professional assembly service is also available at checkout.

What kind of maintenance is required for this model?

This gas-powered model requires standard 2-stroke or 4-stroke engine maintenance, including regular oil checks/changes, air filter cleaning, chain tension adjustments, and checking brake disc alignment before heavy trail use.

Is a factory warranty included with your vehicles?

Yes! As an authorized dealer, Dirt Moto Bikes includes full manufacturer warranty coverage supporting replacement parts and technical troubleshooting.

Why Buy From DirtMotoBikes?

✓ Authorized MotoTec Dealer
✓ Free U.S. Shipping (Lower 48)
✓ Fast U.S. Fulfillment (CA & WI)
✓ 30–60 Day Parts Warranty
✓ Secure Checkout
✓ Replacement Parts Available
✓ Expert Support

Specifications

Engine	50cc 2-Stroke, Air Cooled (EPA Approved)
Transmission	Auto Centrifugal (Chain Drive 25H 79 Link)
Top Speed	25 MPH
Fuel Capacity	1 Liter (Unleaded 25:1 Mix)
Cruising Range	10+ miles per tank
Max Rider Weight	150 lbs
Seat Height	21 inches
Brakes	Rear Disc Brake
Suspension	Ridged Frame
Tires	13x4.10-6 (Front & Rear Knobby Tires)
Wheelbase	60 inches
Dirt Bike Dimensions	38 x 22 x 27 inches
Dirt Bike Weight	37 lbs

Shipping & Delivery

• Ships from U.S. warehouses
• Most orders deliver in 3–7 business days
• Larger items may ship by freight with appointment scheduling
• Tracking provided for all orders