Specification2025 Honda BF9.9DKSHA2025 Mercury 9.9 FourStroke
ManufacturerHondaMercury
ModelBF9.9DKSHA9.9 FourStroke
Year20252025
Horsepower10 HP10 HP
Engine Type4-stroke4-stroke
Cylinders22
Displacement231 cc218 cc
Bore × Stroke52.8 × 52.8 mm52.6 × 50.1 mm
RPM Range5,200–6,100 RPM5,000–5,900 RPM
Fuel SystemEFIEFI
Fuel TypeRegularRegular
Weight42 kg (93 lbs)43 kg (94 lbs)
Starting SystemElectric/ManualElectric/Manual
SteeringTillerBoth
Shaft LengthsSS/L
Gear Ratio2.08:12.15:1
Alternator6 A6 A
Trim & TiltManualManual
Prop Output6.26 kW6.26 kW
Recommended Boat10–15 ft10–15 ft
MSRP$3,350$3,380
Better / Advantage Lower / Disadvantage Equal / Neutral

2025 Honda BF9.9DKSHA vs 2025 Mercury 9.9 FourStroke — Which Is Better?

Choosing between the 2025 Honda BF9.9DKSHA and the 2025 Mercury 9.9 FourStroke comes down to your specific boating needs and priorities.

The 2025 Honda BF9.9DKSHA (2025) is a 10hp 4-stroke outboard from Honda, weighing 42 kg (93 lbs). Its electronic fuel injection delivers reliable starts and improved fuel economy compared to carbureted alternatives.

The 2025 Mercury 9.9 FourStroke offers 10hp with 4-stroke technology, tipping the scales at 43 kg (94 lbs). Its more compact 218 cc displacement keeps weight down while maintaining efficiency.

Both motors are solid choices in the 9.9 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.