Specification 2025 Honda BF9.9DKSHA 2025 Mercury 9.9 FourStroke
Manufacturer Honda Mercury
Model BF9.9DKSHA 9.9 FourStroke
Year 2025 2025
Horsepower 10 HP 10 HP
Engine Type 4-stroke 4-stroke
Cylinders 2 2
Displacement 231 cc 218 cc
Bore × Stroke 52.8 × 52.8 mm 52.6 × 50.1 mm
RPM Range 5,200–6,100 RPM 5,000–5,900 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 42 kg (93 lbs) 43 kg (94 lbs)
Starting System Electric/Manual Electric/Manual
Steering Tiller Both
Shaft Lengths S S/L
Gear Ratio 2.08:1 2.15:1
Alternator 6 A 6 A
Trim & Tilt Manual Manual
Prop Output 6.26 kW 6.26 kW
Recommended Boat 10–15 ft 10–15 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.