2024 Tohatsu MFS90AETL VS 2025 Mercury 90 FourStroke
Detailed side-by-side comparison of the 2024 Tohatsu MFS90AETL and 2025 Mercury 90 FourStroke outboard motors.
| Specification | 2024 Tohatsu MFS90AETL | 2025 Mercury 90 FourStroke |
|---|---|---|
| Manufacturer | Tohatsu | Mercury |
| Model | MFS90AETL | 90 FourStroke |
| Year | 2024 | 2025 |
| Horsepower | 90 HP | 90 HP |
| Engine Type | 4-stroke | 4-stroke |
| Cylinders | 4 | 4 |
| Displacement | 1,516 cc | 1,532 cc |
| Bore × Stroke | 80.5 × 74.5 mm | 80.3 × 75.7 mm |
| RPM Range | 5,100–6,100 RPM | 5,300–6,300 RPM |
| Fuel System | EFI | EFI |
| Fuel Type | Regular | Regular |
| Weight | 152 kg (335 lbs) | 158 kg (349 lbs) |
| Starting System | Electric | Electric |
| Steering | Remote | Remote |
| Shaft Lengths | L/XL | L/XL |
| Gear Ratio | 2.29:1 | 2.29:1 |
| Alternator | 37 A | 28 A |
| Trim & Tilt | Power Trim/Tilt | Power Trim/Tilt |
| Prop Output | 53.69 kW | 55.70 kW |
| Recommended Boat | 16–23 ft | 16–23 ft |
| MSRP | $11,500 | $13,370 |
2024 Tohatsu MFS90AETL vs 2025 Mercury 90 FourStroke — Which Is Better?
Choosing between the 2024 Tohatsu MFS90AETL and the 2025 Mercury 90 FourStroke comes down to your specific boating needs and priorities.
The 2024 Tohatsu MFS90AETL (2024) is a 90hp 4-stroke outboard from Tohatsu, weighing 152 kg (335 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 90 FourStroke offers 90hp with 4-stroke technology, tipping the scales at 158 kg (349 lbs). With a larger displacement of 1,532 cc, it can deliver more torque at lower RPMs.
At 152 kg (335 lbs), the 2024 Tohatsu MFS90AETL is the lighter option — an important consideration for smaller boats, portability, and overall fuel efficiency.
Both motors are solid choices in the 90 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.