25-40hp

Get to the Fish, Fast.

Mercury® Jet Outboards are designed with the power and the weight to cover any shallow-water jet boat application. Our FourStroke jet outboards are electronic fuel injected, with a range from 25 to 40 horsepower.

Engine Information and Specifications

Select Horsepower

Engine Details

Mercury® jet-drive outboards are specifically designed to pilot boats in shallow waters where propeller-driven hulls are unable to operate.

Specifications – 40

HP / kW
  • 40 / 29
Engine type
  • Inline 4
Displacement (CID/CC)
  • 60.8 / 995
Full throttle RPM
  • 5000-6000
Fuel induction system
  • 2 valves per cylinder, single overhead cam (SOHC)
Alternator amp / Watt
  • 18 amp / 226 watt
Recommended fuel
  • 87% octane / up to 10% ethanol
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • SmartCraft Engine Guardian
Compatible with SmartCraft digital technology
  • Yes

+ See All Specs

Starting
  • Electric (turn-key)
Steering
  • Big Tiller
  • Remote
  • Tiller Kit
Shaft length
  • 15″ / 381 mm
Dry weight *Lightest model available
  • 267 lbs / 121 kg
CARB star rating
  • 3
Bore and stroke
  • 2.56 x 2.95″ / 65 x 75 mm
Ignition
  • ECM 07 Digital Inductive
Fuel system
  • Electronic Fuel Injection (EFI)
Gearcase options
  • Jet Drive
Trim system
  • Power Trim
Color
  • Phantom Black

- See Less

Engine Details

Mercury® jet-drive outboards are specifically designed to pilot boats in shallow waters where propeller-driven hulls are unable to operate.

Specifications – 25

HP / kW
  • 25 / 18.4
Engine type
  • Inline 3
Displacement (CID/CC)
  • 32.1 / 526
Full throttle RPM
  • 5000-5500
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

+ See All Specs

Steering
  • Remote
  • Tiller
Shaft length
  • 15″ / 381 mm
Dry weight *Lightest model available
  • 186 lbs / 84 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)
Gearcase options
  • Jet Drive
Trim system
  • Gas assist
Color
  • Phantom Black

- See Less

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.