Motorcycle Engine (Engine for Motorcycle)(Motor)(Engine) Main Parameter for SS100: Engine Specific:single cylinder/four strokes/ignition/horizontal Bore*Stroke: 50.0mm*49.5mm Displacement: 100mL Compress Ratio: 8:6:1 Rated Power: 4.3kw/7500±375rpm Max. Power: 5.4N.m/8000±400rpm Max. Torque: 6.2N.m/6000±300rpm Idle Speed: 1500±100r/min Manufacturer: Chongqing Shuangshi Motor Manufacturing Co.,Ltd Website: http://motors.ec51.com NuDeal Trade PortalNuDeal is an easy to use trade portal for buyers, sellers, manufacturers, importers & exporters that can help you find qualified business leads.