The Mercury 25 HP EFI outboard motor 25MH model is a manual start outboard with 15-inch short shaft, manual start and manual tilt. The 25MH delivers consistent, easy starting, crisp throttle response, increased fuel economy, and outstanding overall performance. Great for aluminum tiller, aluminum console, jon, utility, and fish & ski boats. Known for reliability, and fast acceleration, the 25 HP EFI portable outboard by Mercury is an affordable option especially considering the long list of standard features and the Mercury 3-year warranty.
Additional information
| Horsepower | 25 HP |
|---|---|
| Shaft Length | 15″ (Short) |
| Starter Type | Manual |
| Tilt & Trim | Manual |
FEATURES
- Utilizes a three-cylinder engine design, delivering superior balance performance over twin-cylinder designs
- Compact and powerful
- Offers extra displacement and great low-end torque, putting the boat smartly on plane
- Electronic fuel injection delivers easy-starting, crisp throttle response and increased fuel economy
- Engine protection operator warning system including: low oil pressure, over-rev, overheat and sensor failure
- Three year warranty
- PROPELLER NOT INCLUDED
SPECS
| MODEL | 25 HP EFI 25MH/td> |
|---|---|
| MODEL YEAR | 2021 |
| SKU | 25MH-21EFI |
| WEIGHT | 157.0 lb |
| MANUFACTURER | Mercury |
| COUNTRY OF MANUFACTURE | Japan |
| HORSEPOWER | 25hp |
| SHAFT LENGTH | 15″ (Short) |
| STEERING | Tiller |
| STARTING | Manual |
| TRIM & TILT | Manual |
| FUEL DELIVERY | EFI |
| FUEL TANK | External |
| CYLINDER(S) | 3 |
| DISPLACEMENT | 526 Cubic Centimeter |
| BORE AND STROKE | 2.40 x 2.36 in. (61 x 60 mm) |
| FULL THROTTLE RPM RANGE | 5,000 – 6,000 |
| IGNITION SYSTEM | CDI with electronic spark advance |
| INDUCTION SCAVENGING | SOHC |
| VALVES PER CYLINDER | 2 |
| FUEL TYPE | Unleaded Gasoline (87 octane) |
| OIL TYPE | Mercury 4-Stroke Outboard Oil |
| ALTERNATOR | None |
| COOLING SYSTEM | Water-cooled with thermostat |
| SALTWATER RATED | Yes |
| GEAR RATIO | 1.92:1 |
| GEAR SHIFT | F-N-R Gearcase options – Standard |
| PROPELLER | Not included |
| INTERNAL BATTERY | No |
IN THE BOX
- Fuel Tank (6.6 gallon)
- Quick Connect Fuel Line
- Mercury 3-Year Warranty
- Mercury 4-Stroke Oil
- Owner’s Manual & Tool Kit
- PROPELLER NOT INCLUDED

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