Mercury 25hp EFI Outboard 25MLH
$2,478.00
The Mercury 25hp EFI Outboard 25MLH is a lightweight four-stroke long-shaft tiller motor delivering smooth EFI performance, low vibration, and reliable manual starting for small boats.
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Overview Mercury 25hp EFI Outboard 25MLH
The Mercury 25hp EFI Outboard 25MLH is a compact, long-shaft four-stroke outboard engineered for boaters who want smooth power, simple operation, and dependable performance. With Electronic Fuel Injection and tiller steering, it’s ideal for aluminum boats, inflatables, utility boats, and fishing setups that require reliable battery-free starting and excellent on-water comfort.
Features and Performance
- Electronic Fuel Injection (EFI) – Consistent starts, smooth throttle response, and efficient fuel delivery
- Balanced 3-Cylinder Powerhead – Reduced vibration for quieter, more comfortable operation
- Advanced Rubber Engine Mounts – Isolate vibration and improve ride quality
- Adaptive Tiller Steering – Reversible grip for left- or right-handed use with adjustable tiller angle
- Lightweight Four-Stroke Design – Easy to install, transport, and handle
- Long Shaft (20”) Configuration – Better compatibility with deeper transoms and improved control
Why You Should Buy it
- Proven Mercury Marine reliability trusted by generations
- Smooth, quiet operation ideal for fishing and cruising
- EFI technology improves efficiency and everyday usability
- Simple ownership with manual, battery-free starting
- Backed by a Mercury Marine 3-Year Warranty
| Specification | Details |
|---|---|
| Engine Type | Inline 3-Cylinder Four Stroke |
| Horsepower | 25hp |
| Displacement | 500cc |
| Fuel System | Electronic Fuel Injection (EFI) |
| Fuel Induction | 6-Valve SOHC |
| Shaft Length | 20" Long |
| Steering | Tiller |
| Starting System | Manual |
| Weight | 133 lbs |
| Full Throttle RPM | 5400 – 5800 rpm |
| Warranty | Mercury Marine 3-Year Warranty |
- Mercury 25hp EFI Outboard 25MLH
- External Fuel Tank (6.6 Gallons)
- Fuel Line Hose
- Service Tool Kit & Parts
- Stop Switch Lanyard
- Owner’s Manual
Frequently Asked Questions About Mercury 25hp EFI Outboard 25MLH
What is the Mercury 25hp EFI Outboard 25MLH designed for?
The Mercury 25hp EFI Outboard 25MLH is built for boaters who want smooth power, simple operation, and dependable performance. The row highlights 25 hp, Inline 3-Cylinder Four Stroke, tiller, and a 20" Long shaft for a clearly defined operating setup.
What are the key powertrain details of this engine?
This outboard is listed with 25hp, and Inline 3-Cylinder Four Stroke. The specification row adds 500cc of displacement and electronic fuel injection (efi) fuel delivery, which helps buyers compare how this motor is set up for smooth, straightforward operation.
What onboard control details stand out on this model?
This model is listed with a 20" Long shaft, Tiller steering, and Manual starting. Those details matter because they help buyers judge transom fit, helm style, and everyday operating convenience before choosing controls or rigging.
Where does this outboard make the most sense onboard?
This outboard is aimed at boat setups that match its listed control and shaft arrangement. The row points to boaters who want smooth power, simple operation, and dependable performance and highlights a 20" Long shaft, helping buyers narrow it to the right helm and transom layout.

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