Specification 2023 Mercury 90 SeaPro 2024 Mercury 90 FourStroke
Manufacturer Mercury Mercury
Model 90 SeaPro 90 FourStroke
Year 2023 2024
Horsepower 90 HP 90 HP
Engine Type 4-stroke 4-stroke
Cylinders 4 4
Displacement 1,676 cc 1,612 cc
Bore × Stroke 82.7 × 78.0 mm 82.6 × 75.1 mm
RPM Range 5,300–6,200 RPM 5,200–6,300 RPM
Fuel System EFI EFI
Fuel Type Regular Regular
Weight 157 kg (345 lbs) 155 kg (342 lbs)
Starting System Electric Electric
Steering Remote Remote
Shaft Lengths L/XL L/XL
Gear Ratio 2.29:1 2.33:1
Alternator 37 A 32 A
Trim & Tilt Power Trim/Tilt Power Trim/Tilt
Prop Output 57.05 kW 59.73 kW
Recommended Boat 16–23 ft 16–23 ft
MSRP $11,580 $13,350
Better / Advantage Lower / Disadvantage Equal / Neutral

2023 Mercury 90 SeaPro vs 2024 Mercury 90 FourStroke — Which Is Better?

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

The 2023 Mercury 90 SeaPro (2023) is a 90hp 4-stroke outboard from Mercury, weighing 157 kg (345 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 FourStroke offers 90hp with 4-stroke technology, tipping the scales at 155 kg (342 lbs). Its more compact 1,612 cc displacement keeps weight down while maintaining efficiency.

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.