Detailed Product Description Pit Bike, Dirt Bike, Off Road, BikeModel: XPR125 Engine 1) Engine Type: 4-Stroke, ... Cylinder, Oil Cooled (140cc) 4-Stroke, Single Cylinder, Oil Cooled (150cc) 4-Stroke, Single Cylinder, Oil Cooled (160cc)2) Bore & Stroke ... 55.5mm (125cc) 55 x 59mm (140cc) 60 x 53mm (150cc) 60 x 57mm (160cc)3) Starter: Kick Start4) Ignition: CDI ...