Specification 2023 Mercury 4 FourStroke 2023 Yamaha F4SMHA
Manufacturer Mercury Yamaha
Model 4 FourStroke F4SMHA
Year 2023 2023
Horsepower 4 HP 4 HP
Engine Type 4-stroke 4-stroke
Cylinders 1 1
Displacement 128 cc 125 cc
Bore × Stroke 57.2 × 49.8 mm 56.3 × 50.2 mm
RPM Range 4,700–5,600 RPM 4,700–5,500 RPM
Fuel System Carbureted Carbureted
Fuel Type Regular Regular
Weight 27 kg (59 lbs) 27 kg (58 lbs)
Starting System Electric/Manual Electric/Manual
Steering Tiller Tiller
Shaft Lengths S S
Gear Ratio 2.15:1 2.15:1
Alternator N/A N/A
Trim & Tilt Manual Manual
Prop Output 2.57 kW 2.57 kW
Recommended Boat 8–12 ft 8–12 ft
MSRP $1,630 $1,640
Better / Advantage Lower / Disadvantage Equal / Neutral

2023 Mercury 4 FourStroke vs 2023 Yamaha F4SMHA — Which Is Better?

Choosing between the 2023 Mercury 4 FourStroke and the 2023 Yamaha F4SMHA comes down to your specific boating needs and priorities.

The 2023 Mercury 4 FourStroke (2023) is a 4hp 4-stroke outboard from Mercury, weighing 27 kg (59 lbs).

The 2023 Yamaha F4SMHA offers 4hp with 4-stroke technology, tipping the scales at 27 kg (58 lbs). Its more compact 125 cc displacement keeps weight down while maintaining efficiency.

Both motors are solid choices in the 4 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.