Description
2025 Mercury 40 HP Outboard
The 2025 Mercury 40 HP Outboard comes with FourStroke configuration engine that best fits your boat, 20″ shaft lengths, tiller steering, and Standard Thrust gearcase.
The Mercury 40HP EFI FourStroke family is designed to provide dependable performance, efficient fuel delivery, and smooth operation for a wide variety of fishing, utility, and recreational boats.
2025 Mercury 40 HP Outboard

Key Specifications
- Horsepower: 40 HP
- Shaft Length: 20 inches (Long shaft)
- Engine Type: Inline-3 or Inline-4 four-stroke
- Displacement: 747cc (3-cylinder) or 995cc (4-cylinder Command Thrust)
- Dry Weight: Starts around 234 lbs (3-cylinder) up to 267 lbs (4-cylinder Command Thrust)
- Starting: Electric
- Full Throttle RPM Range: 5,500 – 6,000
- Alternator: 18-amp / 226-watt
- Trim System: Power Trim and Tilt




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