Specification 2024 Tohatsu MFS15ES 2025 Mercury 15 FourStroke
Manufacturer Tohatsu Mercury
Model MFS15ES 15 FourStroke
Year 2024 2025
Horsepower 15 HP 15 HP
Engine Type 4-stroke 4-stroke
Cylinders 2 2
Displacement 305 cc 311 cc
Bore × Stroke 59.8 × 54.3 mm 58.7 × 57.5 mm
RPM Range 5,100–6,200 RPM 5,100–6,200 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 53 kg (117 lbs) 53 kg (117 lbs)
Starting System Electric/Manual Electric/Manual
Steering Tiller Tiller
Shaft Lengths S/L S/L
Gear Ratio 2.00:1 2.15:1
Alternator 6 A 6 A
Trim & Tilt Manual Manual
Prop Output 9.06 kW 9.06 kW
Recommended Boat 10–15 ft 10–15 ft
MSRP $3,460 $4,000
Better / Advantage Lower / Disadvantage Equal / Neutral

2024 Tohatsu MFS15ES vs 2025 Mercury 15 FourStroke — Which Is Better?

Choosing between the 2024 Tohatsu MFS15ES and the 2025 Mercury 15 FourStroke comes down to your specific boating needs and priorities.

The 2024 Tohatsu MFS15ES (2024) is a 15hp 4-stroke outboard from Tohatsu, weighing 53 kg (117 lbs). Its electronic fuel injection delivers reliable starts and improved fuel economy compared to carbureted alternatives.

The 2025 Mercury 15 FourStroke offers 15hp with 4-stroke technology, tipping the scales at 53 kg (117 lbs). With a larger displacement of 311 cc, it can deliver more torque at lower RPMs.

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.