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Mariner 40EFI

Buying a mid-range Mariner FourStroke means you're buying more because our 40hp motors also feature proven electronic fuel injection which offers renowned fuel efficiency and smooth, wuiet operation. This outboard is SmartCraft-ready and are equipped with turn-key starting for fast and reliable ignition. Never has Mariner dependability looked or sounded so good. 

  • Inherent FourStroke characteristics include quiet, smooth operation and exceptional idling.

  • 40% better fuel economy than comparable 2-stroke models.

  • Integral power trim adjusts boat's attitude for improved boat handling under a variety of speeds and water conditions.

  • Five-year limited non-declining, factory-backed. Conditions and exclusions apply.* 

  • Not applicable for commercial and racing applications.

  • Two-year limited commercial warranty.+

  • EFI models offer turn-key starting and instantaneous throttle response in all types of atmospheric conditions.

  • Low-noise combustion process and sound-dampening cowls for extremely smooth and quiet operation.

  • Designed for strength and durability.

  • Corrosion resistant.

  • Stainless steel driveshaft, shift shaft, prop shaft, water pump housings and power head fasteners. 

  • SmartCraft technology with Engine Guardian System; monitors engine functions and alerts you to possible engine problems.

* Terms & conditions apply.

+ 2 Year Government/Commercial warranty. Terms & conditions apply. May require extra components. i.e. under cowl hour meter. 

Why Choose Mariner?

Powerful 3 Cylinder Design
  • A SOHC and long intake stroke design increases torque output for better acceleration.

  • Performance with smooth quiet overall operation.

Compact Design
  • Compact lightweight design available with manual or electric start and Gas Assist or Power Trim.

  • Versatile and efficient.

Electronic Fuel Injection EFI
  • Provides turn-key reliable starting, instant throttle response, spectacular fuel economy and lower fuel system maintenance.

  • More dependable, more efficient with more power and lower cost of operation.

Easy Shift Operation
  • New precision engineered shift system delivers smooth shifting for an improved driving experience,

  • Comfort and reliability.

Take It Slow
  • SmartCraft 'Troll Control' feature allows you to set your rpm as low as 700 for trolling. (optional extra)

Advantage Over Suzuki
  • Long stroke design vs. short stroke - more torque and power.

  • 7kg lighter - improves hull manoeuvrability.

  • Compact SOHC vs. complex DOHC - reduced maintenance costs.

  • SmartCraft (Troll Control) vs. none - enhanced precise trolling.

  • 18 amp vs. 15 amp alternator - 20% more charging.

  • Troll Control (10 rpm steps) vs. Variable Trolling (50 rpm steps)*

  • SmartCraft vs. Command Link.

* Optional extra

Additional Features and Benefits


At 97kg it's one of the lightest in its class

Gas assist trim

Ease in tilting engine

CD ignition

Maintenance free and ensures easy starting

Allows users to trim the unit for maximum performance / handling & shallow water operation

Power trim / tilt

Delivers information regarding 23 key engine functions from fuel usage, rpm & engine guardian to slow trolling rpm control and even hull information


Convenient oil drain and fill location, along with an automotive style spin-on filter

Easy maintenance

Rear mounted - flushes salt water and debris out of the engine extending the life of the outboard


flushing port 

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