2025 Mercury 300 FourStroke
300 HP 4-stroke outboard motor by Mercury (2025)
Full Specifications
| Manufacturer | Mercury |
|---|---|
| Model Number | 300 FourStroke |
| Year | 2025 |
| Horsepower | 300 HP |
| HP Category | 300 HP |
| Engine Type | 4-stroke |
| Cylinders | 6 |
| Displacement | 4,044 cc |
| Bore × Stroke | 96.0 × 93.2 mm |
| RPM Range | 5,500–6,200 RPM |
| Fuel System | EFI |
| Fuel Type | Regular |
| Weight | 305 kg (671 lbs) |
| Starting System | Electric |
| Steering | Remote |
| Shaft Lengths | XL/XXL |
| Gear Ratio | 1.73:1 |
| Alternator | 59 A |
| Trim & Tilt | Power Trim/Tilt |
| Prop Shaft Output | 201.34 kW |
| Recommended Boat | 22–33 ft |
| MSRP | $39,140 |
About the 2025 Mercury 300 FourStroke
The 2025 Mercury 300 FourStroke is a 300-horsepower four-stroke outboard motor featuring electronic fuel injection and weighing 304.5 kg. Built with Mercury's performance heritage, this 6-cylinder engine is well suited for catamarans and large offshore boats up to 33 feet. It comes equipped with electric starting for hassle-free ignition. Engineered to handle demanding marine conditions with ease.