Mercury 25 HP EFI - Four-stroke technology and Mercury. Always moving forward. With boater-driven innovations and technologies. Like electronic fuel injection. On-board digital monitoring that protects your engine. And a total commitment to corrosion protection utilizing hard-coat anodizing and a superior multi-step paint process. Mercury FourStroke engines have consistently set the bar for clean, quiet performance and low fuel consumption. Plus, no one has more models to fit your needs.

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
Emissions 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


 

 

 

Specifications

Engine Hours
  • 0
Horse Power (hp)
  • 25
Fuel Type
  • Petrol
Steering System
  • Tiller

Engine 1

Engine Make Mercury
Displacement 526
Horse Power 25
Fuel Type Petrol
Drive Type Outboard
Steering Tiller
Stroke 4-Stroke