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We will resume normal business hours on Thursday 1/2/2025. Thank you.
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Mercury

2025 Mercury 25 HP EFI 25MH Outboard Motor

SKU: 25MH-25EFI
$4,005.00 $4,405.00
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
Weight: 157.0 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
MODEL1A25203BK
MODEL YEAR2025
SKU25MH-25EFI
WEIGHT157.0 lb
MANUFACTURERMercury
COUNTRY OF MANUFACTUREJapan
HORSEPOWER25hp
SHAFT LENGTH15" (Short)
STEERINGTiller
STARTINGManual
TRIM & TILTManual
FUEL DELIVERYEFI
FUEL TANKExternal
CYLINDER(S)3
DISPLACEMENT526 Cubic Centimeter
BORE AND STROKE2.40 x 2.36 in. (61 x 60 mm)
FULL THROTTLE RPM RANGE5,000 - 6,000
IGNITION SYSTEMCDI with electronic spark advance
INDUCTION SCAVENGINGSOHC
VALVES PER CYLINDER2
FUEL TYPEUnleaded Gasoline (87 octane)
OIL TYPEMercury 4-Stroke Outboard Oil
ALTERNATORNone
COOLING SYSTEMWater-cooled with thermostat
SALTWATER RATEDYes
GEAR RATIO1.92:1
GEAR SHIFTF-N-R Gearcase options - Standard
PROPELLERNot included
INTERNAL BATTERYNo
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

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2022 Mercury 25 HP EFI 25MH Outboard Motor
Mercury

2025 Mercury 25 HP EFI 25MH Outboard Motor

$4,005.00 $4,405.00
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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