Specification2023 Tohatsu MFS40AETL2024 Mercury 40 SeaPro
ManufacturerTohatsuMercury
ModelMFS40AETL40 SeaPro
Year20232024
Horsepower40 HP40 HP
Engine Type4-stroke4-stroke
Cylinders33
Displacement710 cc710 cc
Bore × Stroke68.6 × 64.1 mm70.0 × 61.4 mm
RPM Range5,300–5,800 RPM5,000–6,100 RPM
Fuel SystemEFIEFI
Fuel TypeRegularRegular
Weight86 kg (190 lbs)92 kg (203 lbs)
Starting SystemElectricElectric
SteeringRemoteBoth
Shaft LengthsS/LS/L
Gear Ratio2.07:12.07:1
Alternator22 A22 A
Trim & TiltPower Trim/TiltPower Trim/Tilt
Prop Output25.06 kW26.25 kW
Recommended Boat14–19 ft14–19 ft
MSRP$6,320$7,200
Better / Advantage Lower / Disadvantage Equal / Neutral

2023 Tohatsu MFS40AETL vs 2024 Mercury 40 SeaPro — Which Is Better?

Choosing between the 2023 Tohatsu MFS40AETL and the 2024 Mercury 40 SeaPro comes down to your specific boating needs and priorities.

The 2023 Tohatsu MFS40AETL (2023) is a 40hp 4-stroke outboard from Tohatsu, weighing 86 kg (190 lbs). Its electronic fuel injection delivers reliable starts and improved fuel economy compared to carbureted alternatives. Power trim and tilt makes it easy to adjust on the water.

The 2024 Mercury 40 SeaPro offers 40hp with 4-stroke technology, tipping the scales at 92 kg (203 lbs).

At 86 kg (190 lbs), the 2023 Tohatsu MFS40AETL is the lighter option — an important consideration for smaller boats, portability, and overall fuel efficiency.

Both motors are solid choices in the 40 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.