9.9hp outboard motor, Efficient Powerful, Silent, Clean and easy operating 9.9hp outboard motor:F-9.9BMS(short shaft)F-9.9BML(long shaft)Stroke 4Cylinder 1 Gear Shift Position F-N-RIgnition System TCICooling System Water-coolingStarting System ManualControl System TillerCapacity of Fuel Tank 24Lrecommended Fuel Regular Lead-free Gasoline 9.9hp Outboard Motor