Introducing the MotoTec 105CC 3.5HP Mini Bike! Just like the ones your parents used to drive only safer and easier to use. Powered by a 105cc 3.5HP overhead valve 4-stroke engine(no need to mix gas and oil) and an automatic clutch to ensure easy operation. With it s rugged steel frame and no-dent fenders this mini bike is built tough to handle the roughest of terrain. Assembly: Attach the handlebars add gas and ride. Engine: 105cc/3.5HP Overhead-Valve 4-Stroke Max Speed: 23mph Weight Capacity 185lbs Starter Type: Easy Pull Throttle: Twist Grip Transmission: Automatic Centrifugal Clutch Chain Drive Handlebars: Adjustable forward and back Rider Comfort: Large padded seat Wheels: 14.5x7-6 Off Road Tubeless Pneumatic Tires with Steel Rims Brakes: Mechanical Rear Disc Seat Height: 24 inches Wheelbase: 36.5 inches Box Dimensions: 51x15x26 inches Box Weight: 108 lbs Warranty: 60 days parts replacement no labor