Specification 2024 Suzuki DF15AS 2025 Yamaha F15SMHA
Manufacturer Suzuki Yamaha
Model DF15AS F15SMHA
Year 2024 2025
Horsepower 15 HP 15 HP
Engine Type 4-stroke 4-stroke
Cylinders 2 2
Displacement 311 cc 311 cc
Bore × Stroke 59.2 × 56.4 mm 61.1 × 53.1 mm
RPM Range 5,100–5,900 RPM 5,100–6,100 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 52 kg (114 lbs) 50 kg (111 lbs)
Starting System Electric/Manual Electric/Manual
Steering Both Both
Shaft Lengths S/L S
Gear Ratio 2.15:1 2.08:1
Alternator 10 A 6 A
Trim & Tilt Manual Manual
Prop Output 8.95 kW 8.95 kW
Recommended Boat 10–15 ft 10–15 ft
MSRP $3,880 $4,080
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Suzuki DF15AS vs 2025 Yamaha F15SMHA — Which Is Better?

Choosing between the 2024 Suzuki DF15AS and the 2025 Yamaha F15SMHA comes down to your specific boating needs and priorities.

The 2024 Suzuki DF15AS (2024) is a 15hp 4-stroke outboard from Suzuki, weighing 52 kg (114 lbs). Its electronic fuel injection delivers reliable starts and improved fuel economy compared to carbureted alternatives.

The 2025 Yamaha F15SMHA offers 15hp with 4-stroke technology, tipping the scales at 50 kg (111 lbs).

Both motors are solid choices in the 15 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.