2.5-25hp

Output far beyond its size

Put amazing power in the palm of your hand. These compact outboard motors take you to the fun, the fish, or whatever floats your boat – quickly and reliably. Enjoy quick acceleration to go with exhilarating speed. Easy to install and operate, with reliable starting, low vibration, and instant throttle response. It’s worry-free boating at its best.

Engine Information and Specifications

Select Horsepower

25 EFI

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
  • Unleaded 90RON minimum
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

+ See All Specs

Steering
  • Remote
  • Tiller
Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 1.92:1
Dry weight *Lightest model available
  • 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

- See Less

25hp fourstroke 3qtr port aft tilup. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

20 EFI

Engine Details

Ultra-lightweight (just 99 pounds) and reliable, with little vibration. Innovative tiller lets you lock the tiller at 73 degrees – great for fishing and trailering. Perfect for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Specifications – 20 EFI

HP / kW
  • 20 / 14.7
Engine type
  • Inline 2
Displacement (CID/CC)
  • 20.3 / 333
Full throttle RPM
  • 5700 – 6200
Fuel induction system
  • Single Overhead Cam
Alternator amp / Watt
  • 12/145 electric
Recommended fuel
  • 87% octane / up to 10% ethanol
Recommended oil
  • 25W-40 Synthetic Blend
  • Mercury FC-W 10W-30 4-Stroke Marine Oil
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
  • Overheat
  • Sensor failure
Starting
  • Electric
  • Manual

+ See All Specs

Steering
  • Remote
  • Tiller
Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 99 lbs / 45 kg
CARB star rating
  • 3
Bore and stroke
  • 2.40 x 2.24″ / 61 x 57 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 Tilt
Trim positions
  • 6
Exhaust system
  • Through prop
Shallow water drive
  • Yes
Shallow water trim range (degrees)
  • 16
Remote fuel tank standard (gal / L)
  • 6.6 / 25
Color
  • Phantom Black

- See Less

Mm fs 20hp w tiller port 3 4. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

15 EFI

Engine Details

Low weight and awesome torque get your boat on plane quicker and provide best-in-class acceleration to complement best-in-class top speed. A perfect match for aluminum tiller, soft-hull inflatable, jon / utlity, or sail boats.

Specifications – 15 EFI

HP / kW
  • 15 / 11.1
Engine type
  • Inline 2
Displacement (CID/CC)
  • 20.3 / 333
Full throttle RPM
  • 5700 – 6200
Fuel induction system
  • 2 valves per cylinder, single overhead cam (SOHC)
Alternator amp / Watt
  • 12/145 electric
Recommended fuel
  • 87 octane compatible (up to 10% ethanol)
Recommended oil
  • 25W-40 Synthetic Blend
  • Mercury FC-W 10W-30 4-Stroke Marine Oil
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
  • Overheat
  • Sensor failure
Starting
  • Electric
  • Manual

+ See All Specs

Steering
  • Remote
  • Tiller
Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 99 lbs / 45 kg
CARB star rating
  • 3
Bore and stroke
  • 2.40 x 2.24″ / 61 x 57 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 Tilt
Trim positions
  • 6
Exhaust system
  • Through prop
Shallow water drive
  • Yes
Shallow water trim range (degrees)
  • 16
Remote fuel tank (optional)
  • Yes
Remote fuel tank standard (gal / L)
  • 6.6 / 25
Color
  • Phantom Black

- See Less

Mm fs 15hp w tiller port 3 4. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

9.9

Engine Details

Built to deliver the type of power, thrust, and control that wider, heavier boats require. Great for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Specifications – 9.9

HP / kW
  • 9.9 / 7.3
Engine type
  • Inline 2
Displacement (CID/CC)
  • 12.8 / 208
Full throttle RPM
  • 5000-6000
Fuel induction system
  • 2 valves per cylinder, single overhead cam (SOHC)
Alternator amp / Watt
  • 6 amp / 76 watt
Recommended fuel
  • Unleaded 90RON minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
Starting
  • Electric
  • Manual

+ See All Specs

Steering
  • Remote
  • Tiller
Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 2.08:1
Dry weight *Lightest model available
  • 38 kg
CARB star rating
  • 3
Bore and stroke
  • 2.16 x 1.73″ / 55 x 44 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 system
  • Power Tilt
Trim positions
  • Ratcheting
Exhaust system
  • Through prop
Shallow water drive
  • Yes
Shallow water trim range (degrees)
  • 16
Remote fuel tank standard (gal / L)
  • 3.2 / 12
Color
  • Phantom Black

- See Less

Mm mercury 99hp 3 4 port rear. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

8

Engine Details

Enhancements include simplified starting procedure, faster warmup, and better idle run quality. Lightweight: just 84 pounds. Great for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Specifications – 8

HP / kW
  • 8 / 5.9
Engine type
  • Inline 2
Displacement (CID/CC)
  • 12.8 / 208
Full throttle RPM
  • 5000-6000
Fuel induction system
  • 2 valves per cylinder, single overhead cam (SOHC)
Alternator amp / Watt
  • 6 amp / 76 watt
Recommended fuel
  • Unleaded 90RON minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
Starting
  • Electric
  • Manual

+ See All Specs

Steering
  • Tiller
Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 2.08:1
Dry weight *Lightest model available
  • 38 kg
CARB star rating
  • 3
Bore and stroke
  • 2.16 x 1.73″ / 55 x 44 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
  • Ratcheting
Exhaust system
  • Through prop
Shallow water drive
  • Yes
Shallow water trim range (degrees)
  • 16
Remote fuel tank standard (gal / L)
  • 3.2 / 12
Color
  • Phantom Black

- See Less

Mm mercury 8hp 3 4 port rear. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

6

Engine Details

Feature integral fuel tanks with an external fuel-shutoff valve. For extended range, they can also be connected to a remote fuel tank. Great for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Specifications – 6

HP / kW
  • 6 / 4.4
Engine type
  • 1 cylinder
Displacement (CID/CC)
  • 7.5 / 123
Full throttle RPM
  • 5000-6000
Fuel induction system
  • 2-valve pushrod (overhead valve)
Recommended fuel
  • Unleaded 90RON minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
Starting
  • Manual
Steering
  • Tiller

+ See All Specs

Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 25 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

- See Less

6hp fourstroke 3qtr port aft 2. Png 255x0 q85 autocrop crop scale subsampling 2 upscale 2

5

Engine Details

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.

Specifications – 5

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
  • Unleaded 90RON minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
Starting
  • Manual
Steering
  • Tiller

+ See All Specs

Shaft length
  • 15″ / 381 mm
  • 25″ / 635 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 25 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

- See Less

5hp fourstroke 3qtr port aft. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

5hp SailPower

Engine Details

Engineered to meet the unique needs of sailboat enthusiasts. Also great for aluminum tiller, inflatable soft hull, jon, and utility boats.

Specifications – 5hp SailPower

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 amp / 50 watt lighting and charging
Recommended fuel
  • Unleaded 90RON minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
Starting
  • Manual

+ See All Specs

Steering
  • Tiller
Shaft length
  • 20″ / 508 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 25 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

- See Less

5hp fourstroke sailpower 3qtr port aft. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

4

Engine Details

This lightweight motor features through-prop exhaust for extra-quiet operation. Great for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Specifications – 4

HP / kW
  • 4 / 2.9
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
  • Unleaded 90RON minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
Starting
  • Manual
Steering
  • Tiller

+ See All Specs

Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 25 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

- See Less

4hp fourstroke 3qtr port aft. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

3.5

Engine Details

Delivers lightweight, portable power and thrust for exact operation. Perfect for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Specifications – 3.5

HP / kW
  • 3.5 / 2.6
Engine type
  • 1 cylinder
Displacement (CID/CC)
  • 5.2 / 85
Full throttle RPM
  • 5000-6000
Fuel induction system
  • 2-valve pushrod (overhead valve)
Recommended fuel
  • Unleaded 90RON minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Over-rev
Starting
  • Manual
Steering
  • Tiller with 360° turning

+ See All Specs

Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 41 lbs / 18 kg
CARB 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
Integrated fuel tank (gal / L)
  • 0.3 / 1.1
Color
  • Phantom Black

- See Less

3 5hp fourstroke 3qtr port aft. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

2.5

Engine Details

Weighing in at just 38 pounds, this compact, reliable motor is a great choice for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Specifications – 2.5

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
  • Unleaded 90RON minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • Over-rev
Starting
  • Manual
Steering
  • Tiller with 360° turning

+ See All Specs

Shaft length
  • 15″ / 381 mm
Gearcase ratio
  • 2.15:1
Dry weight *Lightest model available
  • 41 lbs / 18 kg
CARB 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

- See Less

2 5hp fourstroke 3qtr port aft. Png 255x0 q85 autocrop crop scale subsampling 2 upscale

TIME FOR A NEW OUTBOARD MOTOR?

Is your current boat ready for some new power? Don’t wait until your engine is worn out and not working. Today’s marine engines are more reliable than ever. With many outboard options on the market, it can be daunting to determine exactly what engine might be a right fit for your current boat.

Learn More