250hp
V6 Grunt Meets EFI Refinement.
Respect the power and proven reliability of TwoStroke technology.
Engine Information and Specifications
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![250 EFI]()
Specifications - 250 EFI
HP / kW - 250 / 186
Displacement (CID/CC) - 185 / 3032
Cylinder Configuration - V-6
Full throttle RPM - 5000 - 5800
Fuel induction system - Loop-charged (EFI) Electric Fuel Injection
Alternator amp / Watt - 60 amp / 756 watt (Belt-Driven)
Compatible with SmartCraft digital technology - Yes
Starting - Electric
Steering - Remote
Shaft length - 30" / 762 mm
Gearcase ratio - 1.75 : 1
Dry weight *Lightest model available - 239 kg
Bore and stroke - 92 x 76
Trim system - Power Trim
Counter Rotation - Available
Oil Injection - Standard
Efficient.
The Variable-ratio oil injection system reduces oil consumption at idle speed, improving efficiency and providing smoke-free running.
Driving Experience
SmartCraft® Digital Throttle & Shift provides smooth, instantaneous, predictable and quiet shifting, as well as ultra-responsive throttle control, while true Power Steering (standard on six-cylinder models) delivers precision steering without undesirable steering torque.
Largest displacement.
With the largest engine capacity displacement in their horsepower category, the TwoStrokes give you more low-end thrust.
Calculate your fuel savings
The Mercury Fuel Savings Calculator will allow you to easily calculate the possible fuel savings of a Mercury FourStroke outboard!
Easy starting, gutsy performance, and great all-round reliability.
Electric CDI ignition delivers high voltage for quick, sure starts and added fuel efficiency. Innovative sound attenuator helps absorb engine sounds before they can reach the ear, resulting in a quieter running engine on the TwoStroke 40 hp and higher models.
Documents
Take a deeper dive into what makes Mercury outboards stand apart with detailed information on each motor and the features that make them unique.