2021 Mercury Marine® FourStroke 25 EFI Base
- Year 2021
- Make Mercury Marine®
- Model FourStroke 25 EFI
2021 Mercury Marine® FourStroke 25 EFI
Output far beyond its sizePut amazing power in the palm of your hand. These compact outboard motors take you to the fun, the fish, or whatever floats your boat – quickly and reliably. Enjoy quick acceleration to go with exhilarating speed. Easy to install and operate, with reliable starting, low vibration, and instant throttle response. It's worry-free boating at its best.
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.
Engine
Engine Type
Inline 3
Engine Power
25 hp (18.6 kW)
Displacement
32.1 CID (526 CC)
Bore
2.40" (61 mm)
Stroke
2.36" (60 mm)
Throttle
Full RPM: 5000-6000
Oil Type
Recommended: Mercury FourStroke Oil 10W-30
Steering
Remote | Tiller
Gear Ratio (Primary)
1.92:1
Ignition
CDI w/electronic spark advance
Induction
2 valves per cylinder, single overhead cam (SOHC)
Cooling System
Water-cooled with thermostat
Gear Shifter
F-N-R
Exhaust
Through prop
Electric
Alternator
15 amp / 186 watt
Starter
Electric (turn-key) | Manual
Fuel System
Fuel System
Electronic Fuel Injection (EFI)
Fuel Type
Recommended: 87 octane / up to 10% ethanol
Lights and Safety
Security System
Engine protection operator warning: Low oil pressure | Over-rev | Overheat | Sensor failure
Dimensions
Length
Shaft: 15" (381 mm) | 20" (508 mm)
Dimensions
Shallow water trim range: 16 degrees
Capacities
Fuel Capacity
Remote tank standard: 6.6 gal (25 L)
Weights
Dry Weight
157 lbs (71 kg)
Features
Features
CARB star rating: 3 | Trim system: Manual, Power Trim
Color
Colors
Phantom Black