Engine: 50cc 2-Stroke Air Cooled • Fuel Capacity: 1.6 Liter • Top Speed: 25 MPH (Adjustable) • Range: 10+ Miles • Max Rider: 150 lbs • Seat Height: 22 inches • Brakes: Front & Rear Disc
The MotoTec Thunder 50cc is a no-nonsense starter dirt bike that delivers exactly what young riders need: reliable power, real suspension, and proper brakes — all in a package sized for kids ages 7-12.
Who is it for? First-time riders ages 7-12, up to 110 lbs. The Thunder is the sweet spot between the ultra-basic 49cc models and the more advanced Warrior.
50cc 2-stroke engine with easy pull start
Automatic centrifugal clutch — no shifting
Front and rear disc brakes
Front forks + rear spring shock
Adjustable throttle governor
Kill switch for safety
Real pneumatic knobby tires
Why parents pick the Thunder: It's the right balance of price, performance, and size. Not too fast for a beginner, not too slow to bore them after a week. The throttle governor lets you start conservative and open it up as skills improve.
Runs on premix gas. 1-2 hours per tank. Ships 90% assembled with
💳 Pay in 4 interest-free installments with Shop Pay. No credit check required. Select Shop Pay at checkout.
✓ 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 (2.4 hp)
Transmission
Auto Centrifugal (Chain Drive)
Top Speed
25 MPH (Adjustable Speed Limiter)
Fuel Capacity
1.6 Liter (Unleaded / 32:1 mix)
Cruising Range
10+ miles per tank
Max Rider Weight
150 lbs
Seat Height
22 inches
Brakes
Front Disc, Rear Disc
Suspension
Front Inverted Fork, Rear Mono Shock
Tires
2.50-10 (15 inch diameter, 2.5 inch wide)
Dirt Bike Dimensions
50 x 23 x 32 inches
Dirt Bike Weight
54 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
Warranty & Support
Includes a 30–60 day limited parts warranty covering manufacturer defects. Replacement parts and support are available through DirtMotoBikes.
