2022 Mercury Marine® FourStroke 40 EFI Base

Year: 2022
Make: Mercury Marine®
Model: FourStroke 40 EFI

2022 Mercury Marine® FourStroke 40 EFI
Held to a Higher Standard.

There are plenty of good reasons these outboards rule the water. Start with no-worry reliability. More low-end torque for excellent acceleration. Increased fuel economy and outstanding overall performance. Enhanced fuel injection (EFI models) for boosted efficiency. A robust electrical system with a high-output alternator to keep batteries charged and fishing electronics humming. They have everything you need, and nothing you don’t.

Mercury EFI outboards deliver reliable turnkey starts, improved fuel efficiency, and instant throttle response.

Product Details

2022 Mercury Marine® FourStroke 40 EFI Base



Engine Power 40 HP (30 KW)
Engine Type Inline 3
Displacement 45.6 CID (747 CC)
Throttle RPM: 5500-6000
Oil Type Recommended: Mercury FourStroke 25W40 Marine Oil
Gear Ratio (Primary) 2.00:1 | Shift: F-N-R
Emissions CARB star rating: 3
Bore 2.56″ (65 mm)
Stroke 2.95″ (75 mm)
Ignition ECM 70
Steering Remote | Remote


Alternator 18 amp (226 watt)
Starter Electric (turn-key)

Fuel System

Fuel System induction: 2 valves per cylinder, single overhead cam (SOHC) | Electronic Fuel Injection (EFI) | Cooling: Water-cooled with thermostat | Exhaust: Through prop
Fuel Type Recommended: 87 octane / up to 10% ethanol


Length Shaft: 15″ (381 mm) | 20″ (508 mm)


Dry Weight Lightest model available: 204 lbs (93 kg)


Features Engine protection operator warning system: Low oil pressure/Over-rev/Overheat | Compatible with SmartCraft digital technology: Yes | Trim system: Gas assist/Power Tilt/Power Trim | Lubrication system: Wet sump | Shallow water trim range (degrees): 20


Colors Phantom Black