Authorized Dealer The MotoTec Thunder 50cc Kids Dirt Bike - The perfect kids starter dirt bike. The latest generation of 50cc mini bike engines are faster, torquier, more reliable and even easier to set up and start than ever before. Easy pull start, improved carburetor and all of the standard safety features, support and reliability MotoTec provides. Suitable for both wet and dry conditions. This bike will offer hours of fun in almost any children’s outdoor environment. Built Solid, this bike can handle any off-road riding. A Chromalloy frame, with the ability to bear your child’s weight as they grow, and real outdoor rubber tires separate this bikes from similar products. Responsive acceleration, front telescopic forks, rear mono shock suspension, disk brakes, motocross styling and big bike attitude, makes this the perfect children’s choice. Simple to ride, it's fully automatic, so just twist the throttle and go. All Mini Dirt Bikes are not the same. You should be aware of the build quality and parts quality is very important to how much maintenance is required. This Dirt Bike has been specified for quality and reliability, improvements specified over standard Dirt Bikes include – Higher Grade Wheel Bearings - Longer Wearing Tires - Higher Grip Tires - High-Quality Suspension for smoother ride - High-Grade Easy Start Engine Pull Cord - Chromoly steel frame - Restrictable throttle for speed control - Safety and Design - CE and EPA approved. Specs: Motor: 50cc 2-Stroke, Air Cooled (Competition Use Only) Gas/Oil Mixture: Unleaded/32:1 ratio Bore x Stroke: 44.02mm x 33.2mm 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: 2.00mm (main) and 0.67mm 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 190.5mm Mono Shock Throttle: Variable twist-grip Seat: Padded (single rider) Handlebars: Angle Adjustable, Not Height Seat Height from Ground: 23 inches Wheelbase: 35 inches (890mm) Ground Clearance: 9 inches Assembly Required: Yes Box Size: 44x13x23 inches Box Weight: 64 lbs Dirt Bike Dimensions: 50x23x32 inches Dirt Bike Dry Weight: 54 lbs Warranty: 30 days parts replacement California Customers: This bike is for "Competition Use Only" and has the following restrictions: Cannot be registered for OHRV registration. Cannot be registered with the CA DMV with a green or red sticker. Can only be ridden for competition in a closed course. Does not meet California Emissions Standards. Ship to the lower 48 only