Engine Information and Specifications

Select Horsepower

Compare Outboard Motors
  •  40

    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
  •  35

    Specifications - 35

    HP / kW
    • 35 / 26
    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
  •  25

    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
Navigate Shallow Water

Navigate Shallow Water

Mercury® Jet Outboards are specifically designed to pilot boats in shallow waters where propeller-driven hulls are unable to operate. Because there's no lower unit extending below the hull, the jet drive permits passage over obstacles that would restrict access to a propeller-driven outboard boat.

Owners Manuals

Owners Manuals

Need an Owner’s Manual for your Mercury engine to perform maintenance, replace parts or just learn more about your engine? Mercury has made it easy for you to purchase a printed copy or to download and print your own copy. To order a printed version of the Service Manual for your particular Mercury Outboard or MerCruiser Engine, click here.  

FourStroke Jet Outboards

FourStroke Jet Outboards

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 80 horsepower.

Documents

Brochures
Brochures

Take a deeper dive into what makes Mercury outboards stand apart with detailed information on each motor and the features that make them unique.

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