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Mercury 5HP Four Stroke

Print Full Specs

HP / kW
  • 5 / 3.7
Engine type
  • 1 cylinder
Displacement (CID/CC)
  • 7.5 / 123
Full throttle RPM
  • 4500-5500
Fuel induction system
  • 2-valve pushrod (overhead valve)
Alternator amp / Watt
  • 4 lighting / 2 charging amp / 50 lighting / 25 charging watt (Optional)
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
Starting
  • Manual
Steering
  • Tiller
Shaft length
  • 15" / 381 mm
  • 25" / 635 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 57 lbs / 26 kg
CARB star rating
  • 3
Bore and stroke
  • 2.32 x 1.77" / 59 x 45 mm
Ignition
  • CDI w/electronic spark advance
Fuel system
  • Carbureted
Cooling system
  • Water-cooled with thermostat
Gear shift
  • F-N-R
Gearcase options
  • Standard
Trim positions
  • 6
Exhaust system
  • Through prop