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2025 Mercury 25 HP EFI 25MH Outboard Motor

SKU: 25MH-25EFI
$4,050.00 $4,515.00
The Mercury 25 HP EFI outboard motor 25MH model is a manual start outboard with 15-inch short shaft, manual start and manual tilt.  The 25MH delivers consistent, easy starting, crisp throttle response, increased fuel economy, and outstanding overall performance. Great for aluminum tiller, aluminum console, jon, utility, and fish & ski boats. Known for reliability, and fast acceleration, the 25 HP EFI portable outboard by Mercury is an affordable option especially considering the long list of standard features and the Mercury 3-year warranty. Your online outboard shopping ends here! We are a Mercury authorized dealer that offers discounted prices and free shipping!  

Mercury 25 hp outboard motors do not come with factory installed propellers. Please visit Mercury 25 HP Propellers to view our selection of propellers to accompany these motors.

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SHAFT LENGTH GUIDELINES

Horsepower 25hp
WEIGHT157.0 lb
Shaft Length: 15" (Short)
Starting:Manual
Fuel Delivery:EFI
Steering:Tiller
Features
  • Utilizes a three-cylinder engine design, delivering superior balance performance over twin-cylinder designs
  • Compact and powerful
  • Offers extra displacement and great low-end torque, putting the boat smartly on plane
  • Electronic fuel injection delivers easy-starting, crisp throttle response and increased fuel economy
  • Engine protection operator warning system including: low oil pressure, over-rev, overheat and sensor failure
  • Mercury 3 year warranty
  • PROPELLER NOT INCLUDED

specifications
MODEL 1A25203BK
MODEL YEAR 2025
SKU 25MH-25EFI
MANUFACTURER Mercury
COUNTRY OF MANUFACTURE Japan
HORSEPOWER 25hp
WEIGHT 157.0
SHAFT LENGTH 15" (Short)
STEERING Tiller
STARTING Manual
TRIM & TILT Manual
FUEL DELIVERY EFI
FUEL TANK External
CYLINDER(S) 3
DISPLACEMENT 526 Cubic Centimeter
BORE AND STROKE 2.40 x 2.36 in. (61 x 60 mm)
FULL THROTTLE RPM RANGE 5,000 - 6,000
IGNITION SYSTEM CDI with electronic spark advance
INDUCTION SCAVENGING SOHC
VALVES PER CYLINDER 2
FUEL TYPE Unleaded Gasoline (87 octane)
OIL TYPE Mercury 4-Stroke Outboard Oil
ALTERNATOR None
COOLING SYSTEM Water-cooled with thermostat
SALTWATER RATED Yes
GEAR RATIO 1.92:1
GEAR SHIFT F-N-R Gearcase options - Standard
PROPELLER Not included
INTERNAL BATTERY No

In the Box
  • Fuel Tank (6.6 gallon)
  • Quick Connect Fuel Line
  • Mercury 3-Year Warranty
  • Mercury 4-Stroke Oil
  • Owner's Manual & Tool Kit
  • PROPELLER NOT INCLUDED

Shaft Length Guidelines

Outboard Accessories: 
Gear Up Your Boat

2022 Mercury 25 HP EFI 25MH Outboard Motor
Mercury

2025 Mercury 25 HP EFI 25MH Outboard Motor

$4,050.00 $4,515.00
The Mercury 25 HP EFI outboard motor 25MH model is a manual start outboard with 15-inch short shaft, manual start and manual tilt.  The 25MH delivers consistent, easy starting, crisp throttle response, increased fuel economy, and outstanding overall performance. Great for aluminum tiller, aluminum console, jon, utility, and fish & ski boats. Known for reliability, and fast acceleration, the 25 HP EFI portable outboard by Mercury is an affordable option especially considering the long list of standard features and the Mercury 3-year warranty. Your online outboard shopping ends here! We are a Mercury authorized dealer that offers discounted prices and free shipping!  

Mercury 25 hp outboard motors do not come with factory installed propellers. Please visit Mercury 25 HP Propellers to view our selection of propellers to accompany these motors.

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