2023 Tohatsu MFS40AETL VS 2025 Mercury 40 FourStroke
Detailed side-by-side comparison of the 2023 Tohatsu MFS40AETL and 2025 Mercury 40 FourStroke outboard motors.
| Specification | 2023 Tohatsu MFS40AETL | 2025 Mercury 40 FourStroke |
|---|---|---|
| Manufacturer | Tohatsu | Mercury |
| Model | MFS40AETL | 40 FourStroke |
| Year | 2023 | 2025 |
| Horsepower | 40 HP | 40 HP |
| Engine Type | 4-stroke | 4-stroke |
| Cylinders | 3 | 3 |
| Displacement | 710 cc | 710 cc |
| Bore × Stroke | 68.6 × 64.1 mm | 67.7 × 65.7 mm |
| RPM Range | 5,300–5,800 RPM | 5,100–6,100 RPM |
| Fuel System | EFI | EFI |
| Fuel Type | Regular | Regular |
| Weight | 86 kg (190 lbs) | 92 kg (203 lbs) |
| Starting System | Electric | Electric |
| Steering | Remote | Both |
| Shaft Lengths | S/L | S/L |
| Gear Ratio | 2.07:1 | 1.83:1 |
| Alternator | 22 A | 21 A |
| Trim & Tilt | Power Trim/Tilt | Power Tilt |
| Prop Output | 25.06 kW | 24.76 kW |
| Recommended Boat | 14–19 ft | 14–19 ft |
| MSRP | $6,320 | $8,060 |
2023 Tohatsu MFS40AETL vs 2025 Mercury 40 FourStroke — Which Is Better?
Choosing between the 2023 Tohatsu MFS40AETL and the 2025 Mercury 40 FourStroke 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 2025 Mercury 40 FourStroke 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.