Full Specifications

ManufacturerMercury
Model Number300 SeaPro
Year2025
Horsepower300 HP
HP Category300 HP
Engine Type4-stroke
Cylinders6
Displacement4,044 cc
Bore × Stroke96.6 × 92.0 mm
RPM Range5,500–6,600 RPM
Fuel SystemEFI
Fuel TypeRegular
Weight310 kg (684 lbs)
Starting SystemElectric
SteeringRemote
Shaft LengthsXL/XXL
Gear Ratio1.73:1
Alternator62 A
Trim & TiltPower Trim/Tilt
Prop Shaft Output183.44 kW
Recommended Boat22–33 ft
MSRP$36,760

About the 2025 Mercury 300 SeaPro

The 2025 Mercury 300 SeaPro is a 300-horsepower four-stroke outboard motor featuring electronic fuel injection and weighing 310.3 kg. Built with Mercury's advanced engineering, this 6-cylinder engine is well suited for large offshore boats and sport fishing boats up to 33 feet. It comes equipped with smooth power delivery from its V-configuration. An excellent option for anglers and recreational boaters alike.