Specification2024 Mercury 115 SeaPro2025 Yamaha F115XB
ManufacturerMercuryYamaha
Model115 SeaProF115XB
Year20242025
Horsepower115 HP115 HP
Engine Type4-stroke4-stroke
Cylinders44
Displacement1,759 cc1,777 cc
Bore × Stroke85.6 × 76.4 mm84.1 × 80.1 mm
RPM Range5,200–6,100 RPM5,100–5,900 RPM
Fuel SystemEFIEFI
Fuel TypeRegularRegular
Weight179 kg (394 lbs)173 kg (382 lbs)
Starting SystemElectricElectric
SteeringRemoteRemote
Shaft LengthsL/XLL/XL
Gear Ratio2.29:12.29:1
Alternator27 A30 A
Trim & TiltPower Trim/TiltPower Trim/Tilt
Prop Output75.46 kW75.46 kW
Recommended Boat17–24 ft17–24 ft
MSRP$13,800$16,220
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Mercury 115 SeaPro vs 2025 Yamaha F115XB — Which Is Better?

Choosing between the 2024 Mercury 115 SeaPro and the 2025 Yamaha F115XB comes down to your specific boating needs and priorities.

The 2024 Mercury 115 SeaPro (2024) is a 115hp 4-stroke outboard from Mercury, weighing 179 kg (394 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 Yamaha F115XB offers 115hp with 4-stroke technology, tipping the scales at 173 kg (382 lbs). With a larger displacement of 1,777 cc, it can deliver more torque at lower RPMs.

At 173 kg (382 lbs), the 2025 Yamaha F115XB is the lighter option — an important consideration for smaller boats, portability, and overall fuel efficiency.

Both motors are solid choices in the 115 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.