Fast throttle response and fast acceleration are features designed into the 20 HP EFI Mercury Outboard. With powerful low end torque and a large displacement your boat planes faster and you get to your destination across the water faster thanks to Mercury engineering. At 103 lbs. the Mercury 20 HP EFI model 20MH is your affordable choice in the 20 HP line up with a manual start and the 15 inch short shaft. The 20MH also includes manual tilt, a heavy duty transom bracket, vibration absorbing mounts and Mercury’s multi function tiller. Mercury outboards come with a 3-year factory warranty that starts on day of purchase.

Additional information

Horsepower	20 HP
Shaft Length	15″ (Short)
Starter Type	Manual
Tilt & Trim	Manual

SPECS

MODEL	20HP EFI 20MH
MODEL YEAR	2021
SKU	20MH-21EFI
WEIGHT	103.0 lb
MANUFACTURER	Mercury
COUNTRY OF MANUFACTURE	Japan
HORSEPOWER	20hp
SHAFT LENGTH	15″ (Short)
STEERING	Tiller
STARTING	Manual
TRIM & TILT	Manual
FUEL DELIVERY	EFI
FUEL TANK	External
CYLINDER(S)	2
DISPLACEMENT	333 cc (20.3 cubic inches)
BORE AND STROKE	61 mm x 57 mm (2.402 in. x 2.244 in.)
FULL THROTTLE RPM RANGE	5400-6100
IGNITION SYSTEM	CDI w/electronic spark advance
INDUCTION SCAVENGING	SOHC
VALVES PER CYLINDER	2
FUEL TYPE	87 octane/up to 10% ethanol
FUEL TANK / FUEL LINE	3.2 Gallon/12 Liter
OIL TYPE	Mercury 4-Stroke Outboard Oil
OIL CAPACITY	1 Quart (1000 ml)
LUBRICATION	Trochoid Pump
ALTERNATOR	Optional 12 amp / 138 watt (Electric)
COOLING SYSTEM	Water-cooled with thermostat
SALTWATER RATED	Yes
GEAR RATIO	2.15
GEAR SHIFT	Forward-Neutral-Reverse
PROPELLER	9.2″ Diameter X 9.1″ Pitch 3-Blade Aluminum