Full Specifications

ManufacturerMercury
Model Number40 FourStroke
Year2025
Horsepower40 HP
HP Category40 HP
Engine Type4-stroke
Cylinders3
Displacement710 cc
Bore × Stroke67.7 × 65.7 mm
RPM Range5,100–6,100 RPM
Fuel SystemEFI
Fuel TypeRegular
Weight92 kg (203 lbs)
Starting SystemElectric
SteeringBoth
Shaft LengthsS/L
Gear Ratio1.83:1
Alternator21 A
Trim & TiltPower Tilt
Prop Shaft Output24.76 kW
Recommended Boat14–19 ft
MSRP$8,060

About the 2025 Mercury 40 FourStroke

The 2025 Mercury 40 FourStroke is a 40-horsepower four-stroke outboard motor featuring electronic fuel injection and weighing 92.2 kg. Built with Mercury's innovative marine technology, this 3-cylinder engine is well suited for aluminum fishing boats and skiffs up to 19 feet. It comes equipped with power tilt for shallow water operation. Designed to deliver years of trouble-free service on the water.