2021 Mercury Marine® FourStroke 40 EFI 3-Cylinder Base
- Year 2021
- Make Mercury Marine®
- Model FourStroke 40 EFI 3-Cylinder
2021 Mercury Marine® FourStroke 40 EFI 3-Cylinder
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.
Engine
Engine Type
Inline 3
Engine Power
40 hp (30 kW)
Displacement
45.6 CID (747 CC)
Bore
2.56" (65 mm)
Stroke
2.95" (75 mm)
Throttle
Full RPM: 5500-6000
Oil Type
Recommended: Mercury FourStroke 25W40 Marine Oil
Steering
Remote | Tiller
Gear Ratio (Primary)
2.00:1
Ignition
ECM 70
Induction
2 valves per cylinder, single overhead cam (SOHC)
Cooling System
Water-cooled with thermostat
Gear Shifter
F-N-R
Exhaust
Through prop
Lubrication
system: Wet sump
Electric
Alternator
18 amp / 226 watt
Starter
Electric (turn-key)
Fuel System
Fuel System
Electronic Fuel Injection (EFI)
Fuel Type
Recommended: 87 octane / up to 10% ethanol
Lights and Safety
Security System
Engine protection operator warning: Low oil pressure | Over-rev | Overheat
Dimensions
Length
Shaft: 15" (381 mm) | 20" (508 mm)
Dimensions
Shallow water trim range: 20 degrees
Weights
Dry Weight
204 lbs (93 kg)
Features
Features
Compatible with SmartCraft digital technology: Yes | CARB star rating: 3 | Trim system: Gas assist, Power Tilt, Power Trim
Color
Colors
Phantom Black