Mercury 25 EFI Four Stroke

Mercury 25 EFI Four Stroke
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ENGINE DETAILS

There are plenty of good reasons these outboards rule the water. Start with no-worry reliability. More low-end torque for excellent acceleration. Increased fuel economy and outstanding overall performance. Enhanced fuel injection (EFI models) for boosted efficiency.
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Description

ENGINE DETAILS

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.

SPECIFICATIONS – 25 EFI

HP / kW
  • 25 / 18.6
Engine type
  • Inline 3
Displacement (CID/CC)
  • 32.1 / 526
Full throttle RPM
  • 5000-6000
Fuel induction system
  • 2 valves per cylinder, single overhead cam (SOHC)
Alternator amp / Watt
  • 15 amp / 186 watt
Recommended fuel
  • 87 octane / up to 10% ethanol
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
  • Overheat
  • Sensor failure
Starting
  • Electric (turn-key)
  • Manual
Steering
  • Remote
  • Tiller
Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 1.92:1
Dry weight *Lightest model available
  • 157 lbs / 71 kg
CARB star rating
  • 3
Bore and stroke
  • 2.40 x 2.36″ / 61 x 60 mm
Ignition
  • CDI w/electronic spark advance
Fuel system
  • Electronic Fuel Injection (EFI)
Cooling system
  • Water-cooled with thermostat
Gear shift
  • F-N-R
Gearcase options
  • Standard
Trim system
  • Manual
  • Power Trim
Exhaust system
  • Through prop
Shallow water trim range (degrees)
  • 16
Remote fuel tank standard (gal / L)
  • 6.6 / 25
Color
  • Phantom Black

Additional information

Select Horsepower

250, 300, 350, 400

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