Specification 2023 Yamaha F115XA 2025 Yamaha F115XB
Manufacturer Yamaha Yamaha
Model F115XA F115XB
Year 2023 2025
Horsepower 115 HP 115 HP
Engine Type 4-stroke 4-stroke
Cylinders 4 4
Displacement 1,814 cc 1,777 cc
Bore × Stroke 84.1 × 81.6 mm 84.1 × 80.1 mm
RPM Range 5,300–6,100 RPM 5,100–5,900 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 170 kg (374 lbs) 173 kg (382 lbs)
Starting System Electric Electric
Steering Remote Remote
Shaft Lengths L/XL L/XL
Gear Ratio 2.33:1 2.29:1
Alternator 34 A 30 A
Trim & Tilt Power Trim/Tilt Power Trim/Tilt
Prop Output 71.18 kW 75.46 kW
Recommended Boat 17–24 ft 17–24 ft
MSRP $15,220 $16,220
Better / Advantage Lower / Disadvantage Equal / Neutral

2023 Yamaha F115XA vs 2025 Yamaha F115XB — Which Is Better?

Choosing between the 2023 Yamaha F115XA and the 2025 Yamaha F115XB comes down to your specific boating needs and priorities.

The 2023 Yamaha F115XA (2023) is a 115hp 4-stroke outboard from Yamaha, 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 2025 Yamaha F115XB offers 115hp with 4-stroke technology, tipping the scales at 173 kg (382 lbs). Its more compact 1,777 cc displacement keeps weight down while maintaining efficiency.

Both motors are solid choices in the 115 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.