Enjoy quick acceleration to go with exhilarating speed. Easy to install and operate, with reliable starting, low vibration, and instant throttle response. It's worry-free boating at its best. Fourstroke Technology And Mercury: Always moving forward. With boater-driven innovations and technologies. Like the world's first multi-function tiller handle. And a total commitment to corrosion protection, utilizing hard-coat anodizing and a superior multi-step paint process. Mercury FourStroke engines have consistently set the bar for clean, quiet performance and low fuel consumption. Plus, no one has more models to fit your needs. Engine Type: Inline 2 Bore x Stroke: 2.40 x 2.24 in. (61 x 57 mm) Displacement: 20.3 cu. in. (333 cc) Starting: Electric; Manual Shaft Length: 20 in. (508 mm) Weight: 99 lb. (45 kg) and Up Trim Method: Manual; Power Trim Propshaft Horsepower: 20 HP (14.7 kW) Full Throttle Operating Range: 5700 - 6200 RPM Gear Ratio / Shift: 2.15:1 Fuel Induction: 2 valves per cylinder, single overhead cam (SOHC); Electronic Fuel Injection (EFI) Alternator: 12 Amp (145 W) Cooling: Water-cooled with thermostat Steering: Remote; Tiller