Mercury 2021

5 CV

Mercury 2021

5 CV

Description

Multiple trim positions to enhance performance and enable shallow-water operation. Through-prop exhaust makes it extra quiet. Lightweight: just 57 pounds. Great for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

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)
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
Shallow water drive
  • Yes
Shallow water trim range (degrees)
  • 16
Integrated fuel tank (gal / L)
  • 0.3 / 1.1
Optional fuel tank (gal / L)
  • 3.2 / 12
Color
  • Phantom Black

While we make every reasonable effort to ensure the accuracy of these informations, we are not responsible for any errors or omissions contained on these pages. Please check any information that is in doubt with a dealer representative.

Keep your
finances afloat

Thomas Marine makes financing your boat quick and easy. Our agents will assist you in making your dreams come true without exceeding your budget.

Let's talk about your boat!

Do you have any questions regarding our products or services? Contact us either by phone or write to us by filling out our contact form.

Let's talk
about your boat!

Your message has been sent!

Please fill this field :

Sorry! Try again another time.