4-stroke Outboard Motor Model :F9.9 Advantage:Efficent Powerful Silent Clean 4-stroke Outboard MotorsSeries Model PowerF15BML/BMS/FWL/FWS 15HPF9.9BML/BMS/FWL/FWS 9.9HP F5BML/BMS 5HP F4BML/BMS 4HP F2.6BMS 2.6HPRemark:B=Back Control, F=Front Control , M=Manual Start ,W=Electric Start , S=Short Shaft ,L=Long Shaft 4-Stroke Outboard Motor