?? With its 4-speed transmission the MXR125 is the perfect option for young riders looking to step up to learn clutch control, or for adults looking for a pitbike with a clutch to take to the track. Kickstart ONLY, the MXR125 is a no-frills mini bike that delivers the necessary features without any extra fluff. ?Engine Type: Four-Stroke, Single-Cylinder, SOHC, 2-Valve ?Cooling: Air-Cooled ?Displacement: 125cc ?Bore x Stroke: 52.4mm x 55mm ?Compression Ratio: 9.5:1 ?Fuel System: 22mm Carburetor ?Transmission: 4-Speed Manual ?Clutch: Manual ?Starter: Kick ?Wheelbase: 44.5” ?Seat Height: 30” ?Ground Clearance: 9.5” ?Dry Weight: 144.5lbs