2023 Yamaha F40FMHA VS 2025 Mercury 40 FourStroke
Detailed side-by-side comparison of the 2023 Yamaha F40FMHA and 2025 Mercury 40 FourStroke outboard motors.
| Specification | 2023 Yamaha F40FMHA | 2025 Mercury 40 FourStroke |
|---|---|---|
| Manufacturer | Yamaha | Mercury |
| Model | F40FMHA | 40 FourStroke |
| Year | 2023 | 2025 |
| Horsepower | 40 HP | 40 HP |
| Engine Type | 4-stroke | 4-stroke |
| Cylinders | 3 | 3 |
| Displacement | 769 cc | 710 cc |
| Bore × Stroke | 70.6 × 65.4 mm | 67.7 × 65.7 mm |
| RPM Range | 5,200–6,100 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 | Both | Both |
| Shaft Lengths | S/L | S/L |
| Gear Ratio | 2.07:1 | 1.83:1 |
| Alternator | 15 A | 21 A |
| Trim & Tilt | Power Tilt | Power Tilt |
| Prop Output | 24.76 kW | 24.76 kW |
| Recommended Boat | 14–19 ft | 14–19 ft |
| MSRP | $7,100 | $8,060 |
2023 Yamaha F40FMHA vs 2025 Mercury 40 FourStroke — Which Is Better?
Choosing between the 2023 Yamaha F40FMHA and the 2025 Mercury 40 FourStroke comes down to your specific boating needs and priorities.
The 2023 Yamaha F40FMHA (2023) is a 40hp 4-stroke outboard from Yamaha, weighing 86 kg (190 lbs). Its electronic fuel injection delivers reliable starts and improved fuel economy compared to carbureted alternatives.
The 2025 Mercury 40 FourStroke offers 40hp with 4-stroke technology, tipping the scales at 92 kg (203 lbs). Its more compact 710 cc displacement keeps weight down while maintaining efficiency.
At 86 kg (190 lbs), the 2023 Yamaha F40FMHA 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.