The MotoTec Thunder 50cc 2-Stroke Kids Gas Dirt Bike is built for young riders ready to jump into off-road adventure. Featuring a lightweight frame, smooth throttle response, and powerful 50cc 2-stroke engine, the Thunder offers an ideal introduction to gas-powered riding. Designed with safety, performance, and durability in mind, it’s the perfect mix of fun and control for riders aged 6 to 10 looking to experience real dirt biking.
MotoTec Thunder 50cc 2-Stroke Kids Gas Dirt Bike Features
50cc 2-Stroke Engine Compact and responsive—great for beginner riders who want power and simplicity.
Pull Start Ignition Quick and easy starting—no battery needed.
Twist-Grip Throttle Motorcycle-style control for authentic riding experience and easy acceleration.
Front & Rear Disc Brakes Reliable stopping power for safe and confident braking on all terrain.
Knobby Off-Road Tires Perfect for dirt, grass, or gravel—offers great grip and control for light trails.
Durable Steel Frame Built tough for everyday use—handles bumps, drops, and dirt tracks like a champ.
MotoTec Thunder 50cc 2-Stroke Kids Gas Dirt Bike Applications
Great for young riders aged 6–10 just learning to ride
Ideal for backyard motocross, trails, and open dirt lots
Perfect for building confidence with throttle and brake control
Suitable for weekend rides, off-road fun, and outdoor exploration
A great stepping stone from electric to gas-powered riding
What’s Included?
MotoTec Thunder 50cc 2-Stroke Kids Gas Dirt Bike
Warranty
30-Day Parts Replacement Warranty
MotoTec Thunder 50cc 2-Stroke Kids Gas Dirt Bike Specifications
Motor
50cc 2-Stroke, Air Cooled (Competition Use Only)
Gas/Oil Mixture
Unleaded / 32:1 ratio
Bore x Stroke
44.02 mm x 33.2 mm
Rated Output
2.4 hp @ 7,000 rpm
Engine Start
Pull Start
Gas Tank
1.6 Liter
Top Speed
25 mph (adjustable speed limiter)
Cruising Range
10+ miles per tank
Safety
Throttle Limiter
Transmission
Auto Centrifugal
Chain
11T / 54T - T8F Size
Carburetor Jet
2.00 mm (main) and 0.67 mm
Recommended Age
13+
Max Rider Weight
150 lbs
Seat Height
22 inches
Frame
Steel
Front & Rear Wheels
Aluminum Alloy
Front & Rear Tires
2.50-10 (15 inch diameter, 2.5 inch wide)
Brakes
Front Disc, Rear Disc
Suspension
Front Inverted Fork and Rear 190.5 mm Mono Shock
Throttle
Variable twist-grip
Seat
Padded (single rider)
Handlebars
Angle Adjustable, Not Height
Seat Height from Ground
23 inches
Wheelbase
35 inches (890 mm)
Ground Clearance
9 inches
Assembly Required
Yes
Box Size
44 x 13 x 23 inches
Box Weight
64 lbs
Dirt Bike Dimensions
50 x 23 x 32 inches
Dirt Bike Dry Weight
54 lbs
Warranty
30 Days Parts Replacement
MotoTec Thunder 50cc 2-Stroke Kids Gas Dirt Bike Videos
Frequently-Asked Questions
Is the MotoTec Thunder suitable for beginners? Yes! With its low seat height, automatic transmission, and manageable power, the Thunder is perfect for kids just starting to ride.
Does the bike need to be assembled? Yes, minor assembly is required, including the handlebars and front wheel. Tools and instructions are included.
What kind of fuel does it use? It runs on a 25:1 mix of gasoline and 2-stroke oil. Make sure to premix before filling the tank.
Is this bike street legal? No, the MotoTec Thunder is designed for off-road use only.
Can training wheels be added? This bike does not come with training wheels and is intended for kids who already know how to balance on two wheels.