Output far beyond its size
Put amazing power in the palm of your hand. These compact outboard motors take you to the fun, the fish, or whatever floats your boat – quickly and reliably. 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.
ENGINE DETAILS
Ultra-lightweight (just 99 pounds) and reliable, with little vibration. Innovative tiller lets you lock the tiller at 73 degrees – great for fishing and trailering. Perfect for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.
SPECIFICATIONS - 20 EFI
| HP / kW | |
| Engine type | |
| Displacement (CID/CC) | |
| Full throttle RPM | |
| Fuel induction system | - 2 valves per cylinder, single overhead cam (SOHC)
|
| Alternator amp / Watt | |
| Recommended fuel | - 87 octane / up to 10% ethanol
|
| Recommended oil | - 25W-40 Synthetic Blend
- Mercury FC-W 10W-30 4-Stroke Marine Oil
|
| Engine protection operator warning system | - Low oil pressure
- Low water pressure
- Over-rev
- Overheat
- Sensor failure
|
| Starting | |
| Steering | |
| Shaft length | - 15" / 381 mm
- 20" / 508 mm
|
| Gearcase ratio | |
| Dry weight *Lightest model available | |
| CARB star rating | |
| Bore and stroke | - 2.40 x 2.24" / 61 x 57 mm
|
| Ignition | - CDI w/electronic spark advance
|
| Fuel system | - Electronic Fuel Injection (EFI)
|
| Cooling system | - Water-cooled with thermostat
|
| Gear shift | |
| Gearcase options | |
| Trim system | |
| Trim positions | |
| Exhaust system | |
| Shallow water drive | |
| Shallow water trim range (degrees) | |
| Remote fuel tank (optional) | |
| Remote fuel tank standard (gal / L) | |
| Color | |
Time for a New Outboard Motor?
Is your boat ready for new power? Don’t wait until your engine is no longer working. With many outboard options on the market, identifying the best engine for your current boat can be daunting. Your authorized Mercury dealer can assess your current boat, discuss typical use and loads, determine which rigging and accessories you will need, and more.
Award-winning tiller handle
Mercury Marine's tiller handle assembly for the 15 and 20hp portable outboard motors won the 2018 award in the "Propulsion Parts" category at the annual International Boatbuilders' Exhibition & Conference (IBEX). This new tiller handle features several remarkable advancements to make the steering, shifting and throttle operation of portable outboards more intuitive, comfortable and responsive, and is the world's first portable outboard tiller that offers ambidextrous operation.