2021 Mercury 20 HP EFI MH Outboard Motor,,

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
FEATURES
Large Displacement Powerhead (351cc)
Thru-Cowl Backup Manual Start
Digital CD Ignition with Spark Advance
Tuned Intake for Quick Acceleration
High Grade Marine Alloy Construction
Stainless Steel Water Pump Housing
Zinc Coated Water Passages
Rated for Saltwater Use
Sacrificial Zinc Anodes and Trim Tab
Tiller Integrated F-N-R Gear Shifting
Adjustable Steering Tension Control
Twist-Grip Throttle with Tension Control
Thermostat Controlled Water Cooling
Heavy Duty Transom Mounting Bracket
Quiet Through-Propeller-Hub Exhaust
“Wishbone” Mount for Reduced Vibration
3.2 Gallon Fuel Tank and Fuel Line
Easy Maintenance Canister Oil Filter
Start-In-Gear Protection
Low Oil Pressure Warning Indicator
ESG Over-Rev Protection
Safety Lanyard Stop Switch
Owner’s Manual
Mercury Marine 3-Year Warranty
 
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
 
IN THE BOX
Fuel Tank (3.2 gallon)
Quick Connect Fuel Line
Mercury 3-Year Warranty
Aluminum Propeller
Mercury 4-Stroke Oil
Owner’s Manual & Tool Kit