Engine: Bore Stroke: 66.0 mm (2.60 in) x 58.2 mm (2.29 in) , Compression Ratio: 9.4 : 1 , Engine :199 cc (12.1 cu. in), 4-stroke, air-cooled, OHC , Fuel System :MIKUNI BST31SS, single , Ignition: Electronic ignition (Transistorized) , Lubrication :Wet sump , Starter: Electric ,