Product Details  CE, EPA certificated gear motors  Specification of F2.5 4-stroke gear motors: 4-stroke OUTBOARD MOTOR MODELS 2.5hp Max.output 1.8kw Full Throttle Operating Range 5250-5750rpm  Stroke 4  Cylinder 1  Displacement(cm3) 72 Bore×Stroke() 54×31.5  Length×Width×Height() 623×345×1021 Weight(kgs) 17 Gear Ratio 27:13(2.08)  Gear Shift Position F-N-R  Lgnition System TCL  Cooling System Water-cooling  Starting System Manual  Control System Tiller control  Capacity Of Fuel Tank 0.9L