Mercury 25hp EFI Outboard 25EH
$2,790.00
The Mercury 25hp EFI Outboard 25EH is a compact four-stroke tiller motor with electric start, delivering smooth acceleration, low vibration, and fuel-efficient EFI performance for small boats.
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Overview Mercury 25hp EFI Outboard 25EH
The Mercury 25hp EFI Outboard 25EH is a short-shaft, electric-start four-stroke outboard designed for boaters who want smooth power, quiet operation, and hands-on control. Built with Electronic Fuel Injection and adaptive tiller steering, it’s ideal for aluminum boats, fishing boats, utility boats, and inflatables that require dependable performance with modern convenience.
Features and Performance
- Electronic Fuel Injection (EFI) – Reliable starts, smooth throttle response, and efficient fuel delivery
- Electric Start System – Push-button starting for effortless operation
- Balanced 3-Cylinder Powerhead – Reduced vibration and quieter performance
- Advanced Rubber Engine Mounts – Isolate vibration for improved comfort on the water
- Adaptive Tiller Steering – Reversible grip for left- or right-handed use with adjustable tiller angle
- Quiet Four-Stroke Design – Comfortable operation for fishing and cruising
- Short Shaft (15”) Configuration – Ideal for low-transom and lightweight hull designs
- High-Output Alternator (17A / 210W) – Supports battery charging and onboard electronics
Why You Should Buy it
- Trusted Mercury Marine reliability proven over generations
- Smooth, quiet operation ideal for fishing and relaxed cruising
- EFI technology improves fuel efficiency and usability
- Electric start adds comfort and ease of ownership
- 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 | 15" Short |
| Steering | Tiller |
| Starting System | Electric |
| Weight | 138 lbs |
| Alternator Output | 17 amp / 210 watt |
| Full Throttle RPM | 5400 – 5800 rpm |
| Warranty | Mercury Marine 3-Year Warranty |
- Mercury 25hp EFI Outboard 25EH
- 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 25EH
What kind of boating is the Mercury 25hp EFI Outboard 25EH built for?
The Mercury 25hp EFI Outboard 25EH is intended for boaters who want smooth power, quiet operation, and hands-on control. The row highlights 25 hp, Inline 3-Cylinder Four Stroke, tiller, and a 15" Short shaft for a clearly defined operating setup.
How is this motor configured for performance and efficiency?
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 should buyers know about shaft length, steering, and starting?
This model is listed with a 15" Short shaft, Tiller steering, and Electric starting. Those details matter because alternator output is listed at 17 amp / 210 watt, helping buyers judge transom fit, helm style, and everyday operating convenience.
What practical buying details stand out on this model?
This outboard is aimed at boat setups that match its listed control and shaft arrangement. The row points to boaters who want smooth power, quiet operation, and hands-on control and highlights a 15" Short shaft, helping buyers narrow it to the right helm and transom layout.

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