Specification of 2-stroke Outboard motor 9.9F: (marine motor, marine engine, marine outboard motor) 2-stroke OUTBOARD MOTOR MODELS 9.9hp Max.output 7.3kw Full Throttle Operating Range 4000-5000rpm Stroke 2 Cylinder 2 Displacement(cm) 246 Bore×Stroke() 56×50 Compression Ratio 6.8:1 Length×Width×Height()873×332×1040 Weight(kgs) 36 Gear Ratio 27:13(2.08) Gear Shift Position F-N-R Lgnition System CDI Cooling System Water-cooling Starting System Manual Control SystemTiller control Lubrication System Mixed fuel&oil Capacity Of Fuel Tank 24L Regular gasoline 50:1