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Mercury 2.5 HP Fourstroke

Mercury 2.5 HP Fourstroke – With models ranging from 30hp to 2.5hp, the Mercury FourStroke Portable are suited to everything from small inflatables to aluminium dinghies and punts. Mercury's FourStroke Portables are designed with leading edge features for enhanced reliability and performance.

HP / kW
  • 2.5 / 1.9
Engine type
  • 1 cylinder
Displacement (CID/CC)
  • 5.2 / 85
Full throttle RPM
  • 4500-5500
Fuel induction system
  • 2-valve pushrod (overhead valve)
Recommended fuel
  • 87 octane compatible (up to 10% ethanol)
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Over-rev
Starting
  • Manual
Steering
  • Tiller with 360° turning
Shaft length
  • 15″ / 381 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 38 lbs / 17 kg
CARB star rating
  • 3
Emissions Star Rating
  • 3
Bore and stroke
  • 2.16 x 1.42″ / 55 x 36 mm
Ignition
  • CDI w/electronic spark advance
Fuel system
  • Carbureted
Cooling system
  • Water-cooled with thermostat
Gear shift
  • F-N
Gearcase options
  • Standard
Trim system
  • 4 position
Trim positions
  • 4
Exhaust system
  • Above prop
Shallow water trim range (degrees)
  • 16
Color
  • Phantom Black