23/04/2026
The game has changed... The ALL NEW Mercury 20hp FourStroke battery-free EFI changes the way you will think about portable outboards. Lighter, more powerful, more efficient, more durable, more intuitive... unlike any other portable fourstroke.
• Our lightest 20hp FourStroke ever
• Best in class performance
• Battery Free EFI for fast, reliable starting
• New exclusive multi-functional tiller handle, adjustable for left or right handed operation
All recreational Mercury outboard models from the 2.5 - 350hp range now come with 3+3= 6 years of warranty coverage. World class engines, world class support, that's what you get when you buy a Mercury.
HP / kW
20 / 14.7
Engine type
Inline 2
Displacement (CID/CC)
20.3 / 333
Full throttle RPM
5700 - 6200
Fuel induction system
Single Overhead Cam
Alternator amp / Watt
12/145 electric
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
SmartCraft Engine Guardian
Starting
Electric
Manual
Steering
Remote
Tiller
Shaft length
15" / 381 mm
20" / 508 mm
Gearcase ratio
2.15:1
Dry weight *Lightest model available
99 lbs / 45 kg
CARB star rating
3
Emissions Star Rating
3
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
F-N-R
Gearcase options
Standard
Trim system
Manual
Power Tilt
Trim positions
6
Exhaust system
Through prop
Shallow water drive
Yes
Shallow water trim range (degrees)
16
Remote fuel tank (optional)
Yes
Remote fuel tank standard (gal / L)
6.6 / 25
Color
Phantom Black
The game has changed... The ALL NEW Mercury 20hp FourStroke battery-free EFI changes the way you will think about portable outboards. Lighter, more powerful, more efficient, more durable, more intuitive... unlike any other portable fourstroke. • Our lightest 20hp FourStroke ever • Best in class ...