Specification2024 Mercury 100 FourStroke2024 Yamaha F100FEHA
ManufacturerMercuryYamaha
Model100 FourStrokeF100FEHA
Year20242024
Horsepower100 HP100 HP
Engine Type4-stroke4-stroke
Cylinders44
Displacement1,532 cc1,564 cc
Bore × Stroke80.3 × 75.7 mm80.3 × 77.2 mm
RPM Range5,100–6,300 RPM5,000–6,200 RPM
Fuel SystemEFIEFI
Fuel TypeRegularRegular
Weight170 kg (374 lbs)157 kg (345 lbs)
Starting SystemElectricElectric
SteeringRemoteRemote
Shaft LengthsL/XLL/XL
Gear Ratio2.33:12.00:1
Alternator38 A36 A
Trim & TiltPower Trim/TiltPower Trim/Tilt
Prop Output63.38 kW64.13 kW
Recommended Boat17–24 ft17–24 ft
MSRP$14,570$13,980
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Mercury 100 FourStroke vs 2024 Yamaha F100FEHA — Which Is Better?

Choosing between the 2024 Mercury 100 FourStroke and the 2024 Yamaha F100FEHA comes down to your specific boating needs and priorities.

The 2024 Mercury 100 FourStroke (2024) is a 100hp 4-stroke outboard from Mercury, weighing 170 kg (374 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 2024 Yamaha F100FEHA offers 100hp with 4-stroke technology, tipping the scales at 157 kg (345 lbs). With a larger displacement of 1,564 cc, it can deliver more torque at lower RPMs.

At 157 kg (345 lbs), the 2024 Yamaha F100FEHA is the lighter option — an important consideration for smaller boats, portability, and overall fuel efficiency.

Both motors are solid choices in the 100 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.