2024 Yamaha F4SMHA VS 2025 Mercury 3.5 FourStroke
Detailed side-by-side comparison of the 2024 Yamaha F4SMHA and 2025 Mercury 3.5 FourStroke outboard motors.
| Specification | 2024 Yamaha F4SMHA | 2025 Mercury 3.5 FourStroke |
|---|---|---|
| Manufacturer | Yamaha | Mercury |
| Model | F4SMHA | 3.5 FourStroke |
| Year | 2024 | 2025 |
| Horsepower | 4 HP | 4 HP |
| Engine Type | 4-stroke | 4-stroke |
| Cylinders | 1 | 1 |
| Displacement | 121 cc | 129 cc |
| Bore × Stroke | 54.8 × 51.2 mm | 57.4 × 49.9 mm |
| RPM Range | 4,600–5,800 RPM | 4,700–5,800 RPM |
| Fuel System | Carbureted | Carbureted |
| Fuel Type | Regular | Regular |
| Weight | 26 kg (57 lbs) | 27 kg (59 lbs) |
| Starting System | Electric/Manual | Electric/Manual |
| Steering | Tiller | Tiller |
| Shaft Lengths | S/L | S |
| Gear Ratio | 2.15:1 | 2.15:1 |
| Alternator | N/A | N/A |
| Trim & Tilt | Manual | Manual |
| Prop Output | 2.45 kW | 2.48 kW |
| Recommended Boat | 8–12 ft | 8–12 ft |
| MSRP | $1,590 | $1,790 |
Better / Advantage
Lower / Disadvantage
Equal / Neutral
2024 Yamaha F4SMHA vs 2025 Mercury 3.5 FourStroke — Which Is Better?
Choosing between the 2024 Yamaha F4SMHA and the 2025 Mercury 3.5 FourStroke comes down to your specific boating needs and priorities.
The 2024 Yamaha F4SMHA (2024) is a 4hp 4-stroke outboard from Yamaha, weighing 26 kg (57 lbs).
The 2025 Mercury 3.5 FourStroke offers 4hp with 4-stroke technology, tipping the scales at 27 kg (59 lbs). With a larger displacement of 129 cc, it can deliver more torque at lower RPMs.
Both motors are solid choices in the 4 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.