Specification2023 Yamaha F15CMHS2025 Yamaha F15SMHA
ManufacturerYamahaYamaha
ModelF15CMHSF15SMHA
Year20232025
Horsepower15 HP15 HP
Engine Type4-stroke4-stroke
Cylinders22
Displacement311 cc311 cc
Bore × Stroke59.1 × 56.8 mm61.1 × 53.1 mm
RPM Range5,000–6,100 RPM5,100–6,100 RPM
Fuel SystemEFIEFI
Fuel TypeRegularRegular
Weight50 kg (111 lbs)50 kg (111 lbs)
Starting SystemElectric/ManualElectric/Manual
SteeringBothBoth
Shaft LengthsS/LS
Gear Ratio2.08:12.08:1
Alternator6 A6 A
Trim & TiltManualManual
Prop Output9.84 kW8.95 kW
Recommended Boat10–15 ft10–15 ft
MSRP$3,840$4,080
Better / Advantage Lower / Disadvantage Equal / Neutral

2023 Yamaha F15CMHS vs 2025 Yamaha F15SMHA — Which Is Better?

Choosing between the 2023 Yamaha F15CMHS and the 2025 Yamaha F15SMHA comes down to your specific boating needs and priorities.

The 2023 Yamaha F15CMHS (2023) is a 15hp 4-stroke outboard from Yamaha, weighing 50 kg (111 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.