15hp Outboard motor: F-15BMS (short shaft) F-15BML (long shaft) Max. output 11KW Full Throttle Operating Range 4500 - 5500 Stroke 4 Cylinder 2 Displacement(cm) 323 Bore X Stroke(mm)59x59 Idling Speed(r/min) 900 - 1000 Length X Width X Height(mm)Short shaft 1000x427x1080 long shaft 1000x427x1207 Weight(kg)short shaft 45 long shaft47 Gear Ratio 2.08(27/13) Gear Shift Position F-N-R Ignition System TCI Cooling System Water-cooling Starting System Manual Control System Tiller Capacity of Fuel Tank(L) 12/24 Recommended fuel Regular Lead-free Gasoline