Specification 2023 Tohatsu MFS90AETL 2024 Mercury 90 SeaPro
Manufacturer Tohatsu Mercury
Model MFS90AETL 90 SeaPro
Year 2023 2024
Horsepower 90 HP 90 HP
Engine Type 4-stroke 4-stroke
Cylinders 4 4
Displacement 1,644 cc 1,708 cc
Bore × Stroke 82.2 × 77.5 mm 84.0 × 77.1 mm
RPM Range 5,000–6,300 RPM 5,200–6,200 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 155 kg (342 lbs) 157 kg (345 lbs)
Starting System Electric Electric
Steering Remote Remote
Shaft Lengths L/XL L/XL
Gear Ratio 2.00:1 2.29:1
Alternator 32 A 32 A
Trim & Tilt Power Trim/Tilt Power Trim/Tilt
Prop Output 58.39 kW 53.69 kW
Recommended Boat 16–23 ft 16–23 ft
MSRP $10,710 $12,310
Better / Advantage Lower / Disadvantage Equal / Neutral

2023 Tohatsu MFS90AETL vs 2024 Mercury 90 SeaPro — Which Is Better?

Choosing between the 2023 Tohatsu MFS90AETL and the 2024 Mercury 90 SeaPro comes down to your specific boating needs and priorities.

The 2023 Tohatsu MFS90AETL (2023) is a 90hp 4-stroke outboard from Tohatsu, weighing 155 kg (342 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 2024 Mercury 90 SeaPro offers 90hp with 4-stroke technology, tipping the scales at 157 kg (345 lbs). With a larger displacement of 1,708 cc, it can deliver more torque at lower RPMs.

Both motors are solid choices in the 90 HP class. Your final decision should factor in your boat size, typical use conditions, dealer availability in your area, and budget.