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2025 Mercury 20 HP EFI 20MH Outboard Motor

*Photo may not show the actual model.
Product Description

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.

20hp Horsepower
103.0 lb Weight
Shaft Length:15" (Short)
Starting:Manual
SKU:20MH-25EFI
$3,490.00 $3,840.00
Maximum quantity available reached.

CA Customers:
Warning: Cancer and Reproductive Harm
www.P65Warnings.ca.gov

  • 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
MODEL1A20201LK
MODEL YEAR2025
SKU20MH-25EFI
WEIGHT103.0 lb
MANUFACTURERMercury
COUNTRY OF MANUFACTUREJapan
HORSEPOWER20hp
SHAFT LENGTH15" (Short)
STEERINGTiller
STARTINGManual
TRIM & TILTManual
FUEL DELIVERYEFI
FUEL TANKExternal
CYLINDER(S)2
DISPLACEMENT333 cc (20.3 cubic inches)
BORE AND STROKE61 mm x 57 mm (2.402 in. x 2.244 in.)
FULL THROTTLE RPM RANGE5400-6100
IGNITION SYSTEMCDI w/electronic spark advance
INDUCTION SCAVENGINGSOHC
VALVES PER CYLINDER2
FUEL TYPE87 octane/up to 10% ethanol
FUEL TANK / FUEL LINE3.2 Gallon/12 Liter
OIL TYPEMercury 4-Stroke Outboard Oil
OIL CAPACITY1 Quart (1000 ml)
LUBRICATIONTrochoid Pump
ALTERNATOROptional 12 amp / 138 watt (Electric)
COOLING SYSTEMWater-cooled with thermostat
SALTWATER RATEDYes
GEAR RATIO2.15
GEAR SHIFTForward-Neutral-Reverse
PROPELLER9.2" 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

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