Specification 2024 Tohatsu MFS40AETL 2025 Mercury 40 SeaPro
Manufacturer Tohatsu Mercury
Model MFS40AETL 40 SeaPro
Year 2024 2025
Horsepower 40 HP 40 HP
Engine Type 4-stroke 4-stroke
Cylinders 3 3
Displacement 740 cc 799 cc
Bore × Stroke 70.0 × 64.2 mm 72.0 × 65.4 mm
RPM Range 5,200–5,900 RPM 5,300–6,100 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 89 kg (196 lbs) 92 kg (203 lbs)
Starting System Electric Electric
Steering Remote Remote
Shaft Lengths S/L S/L
Gear Ratio 2.08:1 1.83:1
Alternator 21 A 23 A
Trim & Tilt Power Trim/Tilt Power Trim/Tilt
Prop Output 26.25 kW 25.35 kW
Recommended Boat 14–19 ft 14–19 ft
MSRP $6,230 $6,920
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Tohatsu MFS40AETL vs 2025 Mercury 40 SeaPro — Which Is Better?

Choosing between the 2024 Tohatsu MFS40AETL and the 2025 Mercury 40 SeaPro comes down to your specific boating needs and priorities.

The 2024 Tohatsu MFS40AETL (2024) is a 40hp 4-stroke outboard from Tohatsu, weighing 89 kg (196 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 2025 Mercury 40 SeaPro offers 40hp with 4-stroke technology, tipping the scales at 92 kg (203 lbs). With a larger displacement of 799 cc, it can deliver more torque at lower RPMs.

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.