Specification2025 Mercury 6 FourStroke2025 Yamaha F6SMHA
ManufacturerMercuryYamaha
Model6 FourStrokeF6SMHA
Year20252025
Horsepower6 HP6 HP
Engine Type4-stroke4-stroke
Cylinders11
Displacement124 cc125 cc
Bore × Stroke55.3 × 51.7 mm54.9 × 52.8 mm
RPM Range4,500–5,800 RPM4,500–5,600 RPM
Fuel SystemCarburetedCarbureted
Fuel TypeRegularRegular
Weight28 kg (63 lbs)25 kg (56 lbs)
Starting SystemManualElectric/Manual
SteeringTillerTiller
Shaft LengthsS/LS
Gear Ratio2.15:12.08:1
Alternator6 A6 A
Trim & TiltManualManual
Prop Output4.03 kW3.76 kW
Recommended Boat8–12 ft8–12 ft
MSRP$2,160$2,100
Better / Advantage Lower / Disadvantage Equal / Neutral

2025 Mercury 6 FourStroke vs 2025 Yamaha F6SMHA — Which Is Better?

Choosing between the 2025 Mercury 6 FourStroke and the 2025 Yamaha F6SMHA comes down to your specific boating needs and priorities.

The 2025 Mercury 6 FourStroke (2025) is a 6hp 4-stroke outboard from Mercury, weighing 28 kg (63 lbs).

The 2025 Yamaha F6SMHA offers 6hp with 4-stroke technology, tipping the scales at 25 kg (56 lbs). With a larger displacement of 125 cc, it can deliver more torque at lower RPMs.

Both motors are solid choices in the 6 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.