Compact, durable 50cc mini dirt bike for beginner riders and teens
The MotoTec Thunder is a 50cc, 2-stroke kids dirt bike built for easy use and outdoor fun. It pairs a simple pull-start engine and automatic transmission with reliable suspension, disc brakes and a chromoly frame so young riders can learn and progress with confidence. Designed for off-road use (competition use only in some jurisdictions), it’s ready for varied terrain and comes with an adjustable throttle limiter for safer learning.
Benefits
Makes learning to ride easier — automatic transmission and twist-grip throttle let a new rider focus on balance and control.
Gives parents peace of mind — restrictable throttle and durable brakes help manage speed and safety while kids improve.
More outdoor playtime — suitable for wet and dry conditions so kids can ride more often.
Lower upkeep — quality parts and a straightforward 2-stroke design keep routine maintenance simple.
Built to last as they grow — a chromoly frame and solid components handle increased use and weight over time.
Quick confidence gains — responsive acceleration and real off-road tires provide a genuine motocross feel for skill development.
Features
50cc 2-stroke, air-cooled engine with pull-start.
Automatic centrifugal transmission — no clutch shifting required.
Restrictable throttle (speed limiter) for controlled learning.
Front inverted fork and rear mono shock suspension for smoother rides.
Front and rear disc brakes for reliable stopping power.
Chromoly steel frame for strength and durability.
Aluminum alloy front & rear wheels with real off-road rubber tires.
Variable twist-grip throttle for precise speed control.
Padded single-rider seat and angle-adjustable handlebars.
Designed for off-road use; suitable for varied outdoor terrain.
Specifications
Motor: 50cc 2-Stroke, Air Cooled (Competition Use Only)
Gas/Oil Mixture: Unleaded / 25:1 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 Capacity: 1.6 Liter
Top Speed: 25 mph (adjustable speed limiter)
Cruising Range: 10+ miles per tank (approx.)
Safety: Throttle limiter / restrictable throttle
Transmission: Automatic centrifugal
Chain: 11T/54T - T8F Size
Carburetor Jet: 2.00 mm (main) and 0.67 mm
Recommended Age: 13+
Maximum Rider Weight: 150 lbs
Seat Height: 22 inches
Seat Height from Ground: 23 inches
Frame Material: Chromoly / 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; Rear 190.5 mm Mono Shock
